Air Quality Monitoring Systems – AQMS

Tank Headspace Monitoring Systems – THMS

Applications

in the Oil and Gas industry.

Water treatment plant in refineries and other oil and gas processes requires the use of tank for storage purposes and as part of the wastewater management plan. The composition of the air confined in the tank headspace provides a good indication of the level of contamination in the wastewater influents. Monitoring gas in tank headspaces also becomes mandatory when it comes to managing oils contaminated water. Explosion risks but also the corrosion and degradation factor are controlled with the blanketing whose automation can largely be optimised by the online measurement of gas concentrations in the headspace. Moreover there is a large number of compounds that will  adduce plant operators detailed information with regards to filtration and decantation processes.

Tank Blanketing Automation

Tank blanketing is the process of filling the headspace in storage vessels and reactors with an inert gas, usually to protect its contents from exploding, degrade but also to protect equipment from corrosion. As oxygen and moisture in the air can be undesired in numerous processes and applications, blanketing is done in a wide range of industries, varying from petrochemicals to food and beverage, pharmaceutical to pure water. Inerting is done for similar reasons but is not limited to storage tanks and reactors only. Any confined space can be sparged with an inert gas to create the desired atmosphere. This ranges from packing food under protective atmosphere to increase shelf life to lowering the oxygen concentration in rooms where welding takes place to reduce risk of fire.

Risks Management

Wrongly engineered or poorly maintained blanketing systems may lead to serious incidents, degraded plant operations and pollution events. A malfunctioning may cause the tank to implode or causes the leaking of air into the tank, which, as mentioned, can have consequences with regard to product quality and, depending on the stored product, can seriously increase risk of explosion.

One way to increase safety and reduce the use of blanketing gas (nitrogen, air…) simultaneously is to control inertisation as a function of gas concentration in the headspace. Depending on the product and the reason for blanketing and inerting, there are tolerances when it comes down to the maximum allowable oxygen, VOCs or other combustibles concentration. Certain monomers require zero percent oxygen to prevent polymerization. Others require a small amount of oxygen for the same reason. In the case of explosion protection, the oxygen concentration does not necessarily need to be zero. In fact for all solvents a so called limiting oxygen concentration exists. Below this concentration there is no risk of explosion. It is obvious that controlling the tank headspace purge based on the concentration will seriously cut nitrogen or other blanketing gas costs. Furthermore the measurement of gas concentrations in the tank headspace provides an important safety parameter.   Thresholds such as Limiting Oxygen Concentration (LOC), Maximum Oxygen Concentration (MOC), Lower Explosive Limit (LEL) indicate application and gas specific limits in terms of concentration.

For example, two threshold values are established for the oxygen concentration in the tank headspace, well below the Limiting Oxygen Concentration; the Lower Intervention Level and the Upper Intervention Level. These two threshold values are the set-points that control the purging sequences. The moment the oxygen concentration reaches the Lower Intervention Limit, the nitrogen flow is intermittent. Purging of the vessel is resumed when the upper intervention limit is exceeded. This means that the inerting system keeps the consumption of nitrogen minimal while safe operation is ensured.

Analyser solutions

Depending on individual process conditions and solvent; O2, H2O and LEL are usually the main parameters of interest. However when odour control is implemented NH3, H2S and VOCs can be added to the monitored parameters.

To meet the needs of the waste recycling facilities, AquaGas offers a unique fully automatic solution for realtime measurement of gas concentrations in Tank Headspaces. AquaGas THMS features the association of a MAMOS multigas analyser fitted with a combination of 9 gas proprietary measuring cells with a field proven, robust and dedicated Exproof sampling train. The system can be multiplexed for controlling up to 4 tank headspaces. Both the gas sampling probe located at the top of the tank and the sample line are temperature controlled above the gas dew point. Depending on the application, the gas can also be fitted with the optional backflush, temperature sensor, insitu filter… The onboard PLC offers a large panel of IOs as required to handle blanketing regulator, breathing valve, safety relief valve…

The THMS is integrated in Australia by AquaGas for continuous and simultaneous measurement of VOC, NH3, CO, CO2, LEL, CxHy, H2S and O2 inside tank headspaces.

Advantages of AquaGas THMS

The AquaGas THMS is a cost efficient and safe solution available in a compact wall mount IP56 enclosure that totally eliminates the need for multiple sensors and probes. The sampling probe can be mounted directly into the vessel or blanketing gas discharge piping and is rated for high dust, moisture or solvents loads. A retractable filter assembly allows cleaning of the sampling probe without the need for dismounting the probe from its matching flange. Zero calibration is performed automatically on a daily basis while span gas calibration is only required quarterly. In very critical applications, the system can be equipped with redundant probes and or sensors for additional safety and self check purposes. Compared to traditional analyser technology, the AquaGas THMS is available at only a fraction of the costs. The most valued perceived benefit however is the significant increase of safety, enormous savings on tank maintenance as well as the optimised process operations.

aquagas_logo_500px

Integrated Systems and Customised Services

For better environmental performances.

  • ONLINE WATER ANALYSERS

    Ammonium, Free or Total Chlorine, Hydrazine, Morphine, Phenol, Sulfates, Colour, Silica, Phosphates (Orthophosphates), Hardness, Aluminium, Chromium VI, Iron, Nickel, Lead, Zinc, TH, Alkalinity, Chlorides, Cyanides, Fluorides, Peracetic acid VFA, CaM…

    SERES® online water quality analyser offers multiple sensor and method configurations. Here are the typical  measuring parameter calibrated on the TOPAZ unit. For other parameters or different measuring ranges (MR), please consult us.

  • EMISSIONS AND PROCESS GAS ANALYSERS

    NO, NO2, NOx, SO2, CO, HCl, CO2, H2O, H2S, NH3, N2O, COS, SO3, CH4, HF, HCN, H2…
    Our strong partnerships implemented with world leading CEMS and Process gas analyser manufacturers as well as local distributors,  provide AquaGas with an extensive range of technologies, diverse measuring principle and sampling methods to design and build cost effective, versatile and high performance systems composed of instruments specifically selected  in consideration of the applications.

  • DATA ACQUISITION AND REPORTING SOFTWARE

    Data Aquisition Software (CDAS) is a fully MCERTS accredited (parts A, B, C1 & C2) real time data acquisition software – now available for touch screens and windows 10. CDAS is customisable and flexible, allowing it to collect raw data from a range of instruments for CEMS

  • ISOKINETIC SAMPLING CONSOLE

    Isokinetic sampler developed for short to medium term emissions monitoring, fulfilling all the requirements of the dioxins and persistent organic compounds (POPs), PCBs, metals, HCB and fine dust measurement standard within the same sampling train

  • PORTABLE GAS ANALYSERS

    O2, CO, CO2, NO, NO2, SO2, H2S, H2, CL2, N2O and VOCs

    Professional flue gas analyser combining high quality of sample conditioning with great measurement accuracy for continuous emissions monitoring or online process measurement of up to 9 gases simultaneously.

CSIRO selects the LaserCEM – Laser Spectrometer for Continuous Emissions Monitoring

The Commonwealth Scientific and Industrial Research Organisation (CSIRO) has chosen the LaserCEM to undertake their stack emissions monitoring campaign. AquaGas is proud to convey to CSIRO the last generation of CEMS multigas analysers enabling unprecedented performances in terms of detection limit, response time and reliability.

The LaserCEM is a QAL1 TUV certified multigas stack analyser using a combination of patented technologies developed by AP2E (France): the OFCEAS (Optical Feedback Cavity Enhanced Absorption Spectroscopy) and LPS (Low Pressure Sampling).

The system ordered by CSIRO allows reaching SO3 detection limit below 100 ppb in coal fired power station. This LaserCEM is also calibrated for SO2 (wide dynamic range) and H2O.

The LaserCEM is available for emissions monitoring of NO, NO2, NOx, SO2, CO, HCl, CO2, H2O, H2S, NH3, N2O, COS, SO3, CH4, HF, HCN, H2 and more gases.

FEATURES AND BENEFITS

  • True Direct Extractive CEMS (No sample treatment) 50 – 100 mbar abs. sampling pressure removes any risk of chemical adsorption, desorption and condensation along the sample line.
  • Interferences Free – OFCEAS technology provides exceptional selectivity, enabling simultaneous monitoring of multicomponent without interferences, regardless of the gas matrix.
  • Low maintenance – The LPS® system allows flow low rates within 3 and 9l/h without affecting the response time and reducing considerably dust and materials build-up.
  • Ease of integration – The LaserCEM® allows digital (Ethernet, RS485, RS232, ModBus) analogue and TDR IOs.
  • Field proven – The LaserCEM® is free of optical moving part and was designed and built strictly for industrial and on-board mobile applications.
  • No Drift – The zero is contained in the signal, enabling automated and intrinsic zero drift compensation.

AquaGas Pty Ltd

Integrated systems and Customised Services

aquagas_logo_500px

AquaGas Pty Ltd is committed to deliver turnkey monitoring solutions customised to today’s industrials needs

  • ONLINE WATER ANALYSERS

    Ammonium, Free or Total Chlorine, Hydrazine, Morphine, Phenol, Sulfates, Colour, Silica, Phosphates (Orthophosphates), Hardness, Aluminium, Chromium VI, Iron, Nickel, Lead, Zinc, TH, Alkalinity, Chlorides, Cyanides, Fluorides, Peracetic acid VFA, CaM…

    SERES® online water quality analyser offers multiple sensor and method configurations. Here are the typical  measuring parameter calibrated on the TOPAZ unit. For other parameters or different measuring ranges (MR), please consult us.

  • EMISSIONS AND PROCESS GAS ANALYSERS

    NO, NO2, NOx, SO2, CO, HCl, CO2, H2O, H2S, NH3, N2O, COS, SO3, CH4, HF, HCN, H2…
    Our strong partnerships implemented with world leading CEMS and Process gas analyser manufacturers as well as local distributors,  provide AquaGas with an extensive range of technologies, diverse measuring principle and sampling methods to design and build cost effective, versatile and high performance systems composed of instruments specifically selected  in consideration of the applications.

  • DATA ACQUISITION AND REPORTING SOFTWARE

    Data Aquisition Software (CDAS) is a fully MCERTS accredited (parts A, B, C1 & C2) real time data acquisition software – now available for touch screens and windows 10. CDAS is customisable and flexible, allowing it to collect raw data from a range of instruments for CEMS

  • ISOKINETIC SAMPLING CONSOLE

    Isokinetic sampler developed for short to medium term emissions monitoring, fulfilling all the requirements of the dioxins and persistent organic compounds (POPs), PCBs, metals, HCB and fine dust measurement standard within the same sampling train

  • PORTABLE GAS ANALYSERS

    O2, CO, CO2, NO, NO2, SO2, H2S, H2, CL2, N2O and VOCs

    Professional flue gas analyser combining high quality of sample conditioning with great measurement accuracy for continuous emissions monitoring or online process measurement of up to 9 gases simultaneously.

More on AquaGas.com.au

Check out our recently refreshed website. We have added:

 

AquaGas Pty Ltd

Integrated systems and Customised Services

aquagas_logo_500px

AquaGas Pty Ltd has the tools and technologies needed to accurately measure atmospheric emissions of gaseous pollutants helping you in improving air quality and environmental performances.

  • ONLINE WATER ANALYSERS

    Ammonium, Free or Total Chlorine, Hydrazine, Morphine, Phenol, Sulfates, Colour, Silica, Phosphates (Orthophosphates), Hardness, Aluminium, Chromium VI, Iron, Nickel, Lead, Zinc, TH, Alkalinity, Chlorides, Cyanides, Fluorides, Peracetic acid VFA, CaM…

    SERES® online water quality analyser offers multiple sensor and method configurations. Here are the typical  measuring parameter calibrated on the TOPAZ unit. For other parameters or different measuring ranges (MR), please consult us.

  • EMISSIONS AND PROCESS GAS ANALYSERS

    NO, NO2, NOx, SO2, CO, HCl, CO2, H2O, H2S, NH3, N2O, COS, SO3, CH4, HF, HCN, H2…
    Our strong partnerships implemented with world leading CEMS and Process gas analyser manufacturers as well as local distributors,  provide AquaGas with an extensive range of technologies, diverse measuring principle and sampling methods to design and build cost effective, versatile and high performance systems composed of instruments specifically selected  in consideration of the applications.

  • DATA ACQUISITION AND REPORTING SOFTWARE

    Data Aquisition Software (CDAS) is a fully MCERTS accredited (parts A, B, C1 & C2) real time data acquisition software – now available for touch screens and windows 10. CDAS is customisable and flexible, allowing it to collect raw data from a range of instruments for CEMS

  • ISOKINETIC SAMPLING CONSOLE

    Isokinetic sampler developed for short to medium term emissions monitoring, fulfilling all the requirements of the dioxins and persistent organic compounds (POPs), PCBs, metals, HCB and fine dust measurement standard within the same sampling train

  • PORTABLE GAS ANALYSERS

    O2, CO, CO2, NO, NO2, SO2, H2S, H2, CL2, N2O and VOCs

    Professional flue gas analyser combining high quality of sample conditioning with great measurement accuracy for continuous emissions monitoring or online process measurement of up to 9 gases simultaneously.

AquaFID THC CEMS – Continuous Emissions Monitoring Systems

 

AquaGas supplies four FID CEMS AquaFID

For Sydney’s greater remediation project

AquaGas Monitoring Systems is proud to be part of a major remediation project taking place in the heart of Sydney’s next financial, tourist, cultural and entertainment precinct. This significantly large remediation project is now underway over the next three years to remediate on site 150,000 tonnes of contaminated fill material from a former gas plant.

One of the main actors in this project,  South Pacific market leader for the containment and filtration of hydrocarbons (sheen, gasoline, diesel and oils) and a range of other chemicals, has selected AquaGas Pty Ltd for the supply, installation and commissioning of the Continuous Emissions Monitoring Systems and Process Analysers at the remediation site.

To meet our client environmental monitoring requirements, AquaGas has offered a unique CEMS (Continuous Emissions Monitoring Systems) solution based on Gas Chromatography, the AquaFID. The AquaFID is a fully automatic THC CEMS integrated in Australia by AquaGas for continuous and simultaneous measurement of Total Hydrocarbons (THC), Non Methane Hydrocarbons (NMHC) and Methane (CH4).

The AquaFID key features includes the association of a field proven, robust fast loop heated sampling system from Ankersmid Sampling BVBA (Belgium) with a highly accurate M529H FID analysers from PCF (Italia).

The Exproof sampling system is fitted with extensive features such as calibration port as per international CEMS code and EN14181 for reliable continuous compliance monitoring. A combined H2 and Zero Air generator FID Station from Leman Instruments (France) ensures gas cylinders free operation for more safety and minimal site attendance.

The remediation projects are being strictly monitored in real time. Data is regularly reported to the EPA.

 

AquaGas Pty Ltd

Integrated systems and Customised Services

aquagas_logo_500px

AquaGas Pty Ltd has the tools and technologies needed to accurately measure atmospheric emissions of gaseous pollutants helping you in improving air quality and environmental performances.

  • Portable Gas Analysers

    Multigas analysers fitted with a combination of proprietary gas cells for short term monitoring of biogas, syngas and combustion processes.

  • Isokinetic Sampling Console

    Isokinetic sampler developed for short to medium term emissions monitoring, fulfilling all the requirements of the dioxins and persistent organic compounds (POPs), PCBs, metals, HCB and fine dust measurement standard within the same sampling train

  • Data Acquisition and reporting Software

    Data Aquisition Software (CDAS) is a fully MCERTS accredited (parts A, B, C1 & C2) real time data acquisition software – now available for touch screens and windows 10. CDAS is customisable and flexible, allowing it to collect raw data from a range of instruments for CEMS

AquaGas Pty Ltd – Enews November 2016

We are delighted to announce the recent acquisition of several major projects in the field of Continuous Emissions Monitoring (CEMS) and industrial process control.

prony_energie

Continuous Emission Monitoring System

Prony Power Station in New Caledonia

AquaGas Pty Ltd, has been awarded a major contract for the supply, integration, installation and commissioning of two complete CEMS (Continuous Emission Monitoring System) used for compliance stack emissions monitoring of Prony Power Station located at one of the largest mining facilities located in southern hemisphere.

In this project, AquaGas has selected the LaserCEM (AP2E) and DR-320 R (DURAG) as the most suited technologies with regards to the application requirements and harsh monitoring conditions, providing the plant operator ENERCAL with the last generation of CEMS multigas analyser and dust monitors for online analysis of Particulates, HCl, SO2, NO, NO2, CO, CO2 and O2 at their two coal fired boiler facilities.

AquaGas scope also includes CDAS, Mcerts certified and state of the art data acquisition and reporting software suite. The CDAS software package ensures strict emissions reporting and clear environmental compliance.

The strong partnership with AP2E, expert in Laser Spectroscopy, and DURAG specialised in the field of environmental monitoring and process control has led to this first shared success, the acquisition of a capital reference for the LaserCEM in the field of power generation while enforcing AquaGas position in Oceania.

Prony Power Station is located on VALE mining site providing access to large port facilities for the supply of combustible. It consists of two 55 MW Alstom boilers (203 t/h – 87 bars – 515°C) equipped with Alstom turbines (85 bars – 500°C) and alternators (59 MVA – 11 kV) providing power for both the public demand and the needs of the large Nickel mining facilities.

Located close to the site and focused on customer satisfaction, AquaGas has implemented an efficient transfer of knowledge to the plant owner as well as to the local company ROBICAL assigned for the CEMS routine maintenance.

bn-hp826_0327ch_j_20150327044108

Continuous Emission Monitoring System

Caltex Lytton refinery in Australia

Caltex has recently approached AquaGas to perform a system expertise at their Lytton refining facilities near Brisbane.

The difficulties experienced by Caltex with their CEMS (Continuous Emission Monitoring System) had been related to the existing sampling method and resulted in a high maintenance level and unreliable monitoring operations.

Thanks to the customer feedback and following a couple of site visits, AquaGas has identified several ways to optimise the existing CEMS (Continuous Emission Monitoring System) sampling method. In order to secure the data availability and keep the maintenance requirements to their minimum, AquaGas Pty Ltd has supplied, integrated and installed a set of heated gas sampling probes:

  • ASP300

    At the boiler facilities, the ASP300 fitted with automatic blowback, calibration port in accordance with CEMS standards and a continuous soot removal system.

  • ASP400

    For the Thermal Oxidiser, the ASP400 equipped with automatic blowback, calibration port in accordance with CEMS standards and designed to handle high dust load as well as elevated process gas temperatures.

Both the ASP300 and ASP400 provide the plant operator with application specific features and innovative design resulting in a series of advantages:

  • Programmable back-flush sequences,
  • Calibration as per CEMS code,
  • Extended filtration surface,
  • Flue gas temperature measurement
  • Insitu filters – The ASP’s allows the inspection of the Insitu or “top filter” without the need for dismounting the probe (No fitters required for inspection or maintenance).
  • Adjustable temperature set point (set at 190 degree Celsius)
  • Continuous and automated soot removal performed directly at the sampling point

For further information on Ankersmid Gas Sampling probes, you can visit our website: www.aquagas.com.au.

Ankersmid Sampling

  • Universal

    CEMS integration made easy

  • Performant

    Field proven, high quality, durable Ankersmid Sampling BVBA patented designs

  • Modular

    Comprehensive range of gas sampling equipment from one source

  • Efficient

    Easy to install, maintain and operate

AquaGas is supporting the global industrial community with high performance environmental and process monitoring systems (Continuous Emissions Monitoring Systems, Air Quality Monitoring Systems, Online process analysers, Water Quality Monitoring Systems) specifically designed and built to meet your application requirements.

ENVIRONMENTAL MONITORING

Stack Testing

Ankersmid Sampling

APS Portable Gas Sampling System

The emission of pollutants resulting from a multitude of activities (industry, transport, …) alters the atmospheric composition and degrade air quality. Control of gaseous pollutant emissions in the atmosphere has become a major challenge for the protection of human health and the environment. To avoid these risks, the regulation has established discharge limits thresholds for certain pollutants and requires periodic inspections whose frequency depends on the type of activity (from 3 months to 3 years). Accredited stack testing companies are responsible for conducting short to medium term environmental compliance monitoring tasks in a wide range of industries and processes such as power plants and large manufacturing facilities including paper mill, foundry, waste recycling facilities,  refineries…

Prior to be analysed, the gas extracted from the discharge stack or process duct requires delicate conditioning which mainly consist of particulate filtration and moisture removal. Failure to achieve an efficient sample preparation can results in inaccurate measurements, loss of data or damaged equipment.

While stack testers and local authorities are continuously devoting time and knowledge to optimise the methods and protocols related to short to medium terms mandatory analysis campaign, ANKERSMID® has invested its long time expertise in developing the APS Portable Gas Conditioning Systems in direct collaboration with  leading stack testing companies.

As a result, ANKERSMID® Portable Sampling System APS provides stack testers with  features tailored to short term source testing in a robust and light weight design. The complete systems responds to today’s demand in terms of operation and compliance.

ANKERSMID®

Portable Sampling System APS

ANKERSMID® Portable Sampling System APS is a complete gas sampling train composed of:

  • APP Heated Gas Sampling probe

    High temperature filtration

  • AHL Heated Gas Sample line

    Fast and reliable sample gas transfer

  • APS Gas Sampling System

    Accurate and performant gas conditioning

APP Portable Heated Gas Sampling Probe

The APP Heated Gas Sampling Probe is a light weight sampling gun enabling high temperature filtration directly at the sampling point.

Portable probe APP trans 2

The probe is heated up to 180°C in order to maintain the sample temperature above acid gases dew point. A filter element of 150 mm is integrated, suitable for most applications up to 1g of dust per cubic meter of emissions. Thanks to its design, the filter can be replaced or checked without the need of dismounting the probe. For applications where the dust load reaches 10 g/m³, a blow-back option can be fitted. Calibration gas can be injected directly into the probe through the calibration gas port according to emission monitoring standards enforcing test gas feeding via the probe’s filter element.

MAIN FEATURES

180°C operating temperature

Integrated over temperature safety switch

Low temperature alarm contact

Test gas port according to EN14181 available as standard

Light weight

Ready to operate in 15 minutes

Low and Easy maintenance

Universal mounting clamp for heated line

Compact design and universal applicability, easy handling with mounting eye on housing (2m chain incl.)

APP150 Portable heavy duty ABS case for safe transport

AHL Heated Sample Line

AHL Heatedline-v2

The AHL Heated sample line is perfectly suited to mobile applications. It features a highly flexible smooth silicon outer jacket and can be fitted with options enabling efficient installation and operation:

  • Quick connect fittings at both ends: stainless steel pressure release connector directly inserted into the heated lines hard cap terminations (no cold spot)
  • Built-in cable with plugs to feed the APP sampling probe with power – No additional cable or power source required at the sampling location.
  • Additional inner tubes for test gas (calibration via probe filter) or compressed air (back-flush)

APS Portable Gas Conditioning System

 

portable conditioning 3xx 2

The APS portable sampling system is designed so that detailed gas analysis can be carried out at any time in any place. The entire sampling system is housed in a compact and robust carrying case which ensures safe transport and easy set-up. All the components can be easily accessed for inspection or routine maintenance. The APS concept allows you to perform gas analysis in an efficient manner, safely and with a minimum of maintenance. This system ensures reliable sample preparation without loss and prevents damage on the downstream analysis system. It is suitable for a large range of applications and has already been adopted by many stack testers around the world.

MAIN FEATURES

Fully automated

Moisture alarm (detection of sample condensates)

Extremely stable dew point +/-1 degree C

Optimal reliability

Compact and robust design

Light weight

Ready to operate in 15 minutes

Low and Easy maintenance

PFA coated heat exchanger

PTFE coated sampling pump

Preliminary sample filter

Built-in temperature controller for the heated line

AquaGas Pty Ltd

Integrated high performance monitoring solutions

aquagas_logo_500px

AquaGas Pty Ltd has the tools and technologies needed to accurately measure atmospheric emissions of gaseous pollutants helping you in improving air quality and environmental performances.

  • Portable Gas Analysers

    Multigas analysers fitted with a combination of proprietary gas cells for short term monitoring of biogas, syngas and combustion processes.

  • Isokinetic Sampling Console

    Isokinetic sampler developed for short to medium term emissions monitoring, fulfilling all the requirements of the dioxins and persistent organic compounds (POPs), PCBs, metals, HCB and fine dust measurement standard within the same sampling train

  • Data Acquisition and reporting Software

    Data Aquisition Software (CDAS) is a fully MCERTS accredited (parts A, B, C1 & C2) real time data acquisition software – now available for touch screens and windows 10. CDAS is customisable and flexible, allowing it to collect raw data from a range of instruments for CEMS

 

Ankersmid Sampling

ANKERSMID® , well-known in the monitoring industry as Ankersmid M&C, has the benefits of 30 years of experience in developing state of the art gas sampling and gas conditioning equipment tailored to CEMS (Continuous Emissions Monitoring Systems) and stack testing (short to medium term measurements). Subsidiaries in several countries (Netherlands, France, China, Roumania, Germany, Korea…) and more than 100 employees world-wide place ANKERSMID® in a leading position within the field of environmental monitoring and process control instrumentation.

Indoor air quality

 

Air Quality in Submarines

The last generation of conventional submarines allows several weeks of submersion, creating a need for regenerative air purification methods and new air monitoring instruments. Submarine air is a complex mixture of compounds, where the most obvious contaminant is metabolically produced carbon dioxide. Normal eight-hour occupational exposure limits are not applicable on a submarine, instead special long-time exposure limits are set.

A number of air purification methods for submarines are either available or under development, e.g. cryogenic plants, biological plants and solid amine plants. For air monitoring, the OFCEAS method is an interesting option, already in use on-board nuclear submarines.

The main contaminant of submarine air is CO2. In ordinary buildings 1000 ppm is usually considered as a maximum concentration. This value is not based on health effects but on the rate of ventilation. In submarines, higher CO2 concentrations are permitted, usually 5000- 7000 ppm. A submarine atmosphere consists of a large number of contaminants such as ozone, which can be formed in electrical devices and hydrogen, which is formed when the batteries are charged.

To ensure the health of the crew on short and long term, it is important to specify the permitted composition of the submarine atmosphere.

ProCeasNAV-Onboard-air-quality-analyser

Table 1 shows a submarine air specification for a conventional submarine.

Compounds Limit Compounds Limit
NO2 5 ppm NH3 25 ppm
CO2 8 000 ppm O3 0.1 ppm
CO 35 ppm H2 2 %
SO2 2 ppm CL2 1 ppm
Formaldehyde 2 ppm H2O2 1 ppm
Akrolein 0.1 ppm

 

Since the crew is continuously exposed to the submarine air for several weeks, normal eight hour occupational exposure levels are not applicable and special exposure limits must be determined. Maximum Permissible Concentrations (MPC) are set for an exposure time of 90 days for a number of compounds likely to be found in a submarine. They have also set emergency MPC’s for 24 h and 60 min.

The ProCeas® NAV

The ProCeas® NAV is designed for online monitoring of CO2, CO, Freon, H2S, H2, O2, Formaldehyde (…) in nuclear and conventional submarines. The ProCeas® NAV uses the OFCEAS method commercialized by Ap2e of France.

ap2e-CEMS and Process Analysers

The OFCEAS system uses a high-finesse optical cavity to provide path lengths of tens of kilometres. Moreover the OFCEAS technology can also, in certain configurations, take advantage of broadband light sources to provide multi-component analysis, while offering improved sensitivity when compared with shorter path-length methods, such as Tunable Diode Laser absorption spectroscopy (TDLAS).

ProCeasNAV-indoor air quality in submarines

The ProCeas® NAV analyser has been designed to endure large temperature variations, high vibrations and englobes all criteria required by the military environment to assure long-term crew member health in a confined environment.

Some of the gases and measuring ranges available on the ProCeas® NAV are:

Carbon Monoxide CO: 0-1000 ppm – Lower Detection Limit: 1 ppm

Carbon Dioxyde CO2: 0-5% – Lower Detection Limit: 0.01 %

Hydrogen Sulfide H2S: 0-10 ppm – Lower Detection Limit: 0.1 ppm

Freon; R134a and R404: 0-1000 ppm – Lower Detection Limit: 2 ppm

Ethanol C3H6O 0-2000 ppm – Lower Detection Limit: 4 ppm

General characteristics

Response time < 10 sec

No Zero drift and no Span drift – No daily calibration required – No nitrogen, zero air, purge or other carrier gas.

Weight 15 to 20 kg

Dimensions 480 x 240 x 150 cm

Formaldehyde in Indoor Air

 

For continuous ambient and indoor air quality monitoring (real time at ppb levels), the ProCeas® spectrometer is equipped with a laser at a single wavelength used to determine the concentration of a specific compound with an extremely low detection limit and fast response time. The OFCEAS extended optical path and continuous signal feedback provide a high definition spectral response using what is essentially a traditional absorption measurement.

ProCeas

ProCeas® Formaldehyde at HUTCHINSON

As per the international OH&S regulations on Formaldehyde, Hutchinson, subsidiary of TOTAL, evaluated several technologies to implement continuous real-time monitoring of Formaldehyde at their Plant facilities.

The ProCeas® has been selected by Hutchinson as the technology the most suited to their monitoring needs in terms of response time, accuracy and flexibility around the integration within the mainstream of their installation.

Hutchinson uses the ProCeas® to measure various level of Formaldehyde in the air at 3 separated sampling locations: laboratory, offices & entrance hall.

ProCeas-INDOOR-AIR-QUALITY

ProCeas Key features

  • Low detection level
  • Complete pre-calibrated laser infra-red spectrometer
  • Reduced response-time with Low pressure sampling system
  • Suitable for a wide range of components in ambient air: NH3, O2, H2, H2S, HCFC, VOCs, (…)

Example of performances for the Formaldehyde

Measuring range: 0-10 ppm (up to 1%)

Lower detection limit: 1 ppb – (10 ppm at 1%)

Response time 2s

No Zero drift and no Span drift – No daily calibration required – No nitrogen, zero air, purge or other carrier gas.

Area Monitors for Sterilant Gas

Hazards of sterilant gases

Since sterilant gases are selected to destroy a wide range of biological life forms, any gas which is suitable for sterilisation will present a hazard to personnel exposed to it. The NIOSH Immediately Dangerous to Life and Health values (IDLH) for the three sterilant gases are 800 ppm, 75 ppm and 5 ppm for ethylene oxide, hydrogen peroxide and ozone respectively.

For comparison, the IDLH of cyanide gas (hydrogen cyanide) is 50 ppm. Thus exposure to even low levels of sterilant gas should not be treated casually and most facilities go to great lengths to adequately protect their employees. In addition sterilizers (as with any mechanical device) can and sometimes do fail and leaks have been reported. Continuous gas monitors are used as part of an overall safety program to provide a prompt alert to nearby workers in the event that there is a leak of the sterilant gas.Steri-Trac Area Monitors - sterilant gas - AquaGas

Monitoring Sterilant

The monitor alarms are typically set to warn if the concentrations exceed the OSHA permissible exposure limits (PELs), 1.0 ppm for ethylene oxide and 1.0 and 0.1 ppm for OH&S and ozone respectively. The PELs are calculated as 8 hour time weighted average values.

In addition to providing continuous monitoring, the better gas monitors include a computer based data acquisition system provides automatic data logging to assist with compliance with OSHA’s regulations and impending alarms that allow users to rectify problems before they become a hazard.

There are several technologies that are commonly used for the detection of sterilant gases, the main three being electrochemical, gas chromatography and metal oxide semiconductor. All three technologies are suitable for ethylene oxide, but only electrochemical sensors are used for hydrogen peroxide and ozone detection.

For ethylene oxide, metal oxide electrochemical sensors provide a low cost, long life detector offer very good sensitivity, fast alarm response times and small size. ChemDAQ gas monitor manufacturers mainly use electrochemical sensors for toxic gases because of their many advantages.

Electrochemical sensors have traditionally suffered from a cross sensitivity problems with other vapours (alcohols are especially troublesome in health care). Cross sensitivity results in false alarms, unnecessary evacuations and eventually a loss of confidence in the gas monitoring system.

AquaGas - ChemDag - Steri-trac

ChemDAQ has developed a proprietary chemical filter that allows the ethylene oxide to pass through but removes most common interferent gases and vapours (including carbon monoxide, ethanol and IPA). The use of this filter allow the ethylene oxide to be detected with all the advantages that electrochemical sensors have to offer, but without the problems of cross sensitivity.

Capture

 

AquaGas is supporting the global industrial community with high performance environmental and process monitoring systems (Continuous Emissions Monitoring Systems, Air Quality Monitoring Systems, Online process analysers, Water Quality Monitoring Systems) specifically designed and built to meet your application requirements.

CEMS and process gas analyser

 

A new approach to continuous gas monitoring

The Mamos is a high quality stationary monitoring system for the measurement of up to 6 gases as well as gas temperature, ambiant and differential pressures (Gas Flow) in a large field of applications.

Designed to optimise performance/price ratio, small in size and yet very skilful analyser, the Mamos is the field proven alternative for large, intricate Continuous Emissions Monitoring Systems, as it does not fall behind them concerning functionality, abilities, reliability and is far ahead in terms of expenses.

AquaGas Multigas CEMS

Online monitoring made easy

Fully automated and packed with exclusive features, the Mamos concept enlarges monitoring possibilities and respond to the today’s demands in terms of accuracy, reliability and flexibility. Each analyser is supplied with its own sampling system. The entire system is mounted on a wall mount plate and designed for installation in industrial settings and rough environment. It has a modular construction, and offer a large panel of add-ons to match site specific application requirements. The Mamos minimises the installation and ongoing operation cost until now required to fulfil your monitoring needs.

MAMOS-Multigas-analyser-CEMS-features

Multigas

Depending of the gas matrix and components to be analysed, the Mamos can be fitted with up to 6 different sensors. The combination of technologies (NDIR, TCD, PID, Electrochemical) and the addition of separate gas channels into the same instrument empower flexibility in multigas applications. A unique feature is to allocate a gas channel to sensible sensors. Its design ensures the cells have a limited exposure to gases and therefore extends considerably their respective life-time.

Process gas and emissions monitoring in combustion plants, boilers, syngas, biogas, waste recycling facilities and associated filtration systems are typical applications for multiple gas channels configuration.

In Biogas, the primary gas channel holds the CO2, CH4, Osensors while an additional separate gas channel is allocated to sensible Electrochemical sensors, H2S for example. The two NDIR gas channels can then be used for CO and VOCs.

MAMOS-CEMS-Flow diagram-2

The Mamos offers multiple sensor and method configurations. Here are the measuring parameter for the most common gases. For other gases or different measuring ranges (MR), please consult us.

 

Gas Analysis Method Range   I   Resolution Accuracy Time (T90) Conformity
O2

Oxygen

Electrochemical, Partial Pressure 20.95% |

0.01%

± 0.1% abs. or 5% rel. 45 sec ISO 12039,
CTM-030
O2

Oxygen

Electrochemical, Partial Pressure 25.00% |

0.01%

± 0.1% abs. or 5% rel. 45 sec ISO 12039,
CTM-030
O2

Oxygen

Electrochemical, Partial Pressure 100.00% |

0.01%

± 0.1% abs. or 5% rel. 45 sec ISO 12039,
CTM-030
CO

Carbon Monoxide

Electrochemical Sensor 4 000ppm |

1ppm

± 5ppm abs. or 5% rel. 45 sec ISO 12039,
CTM-030
CO

Carbon Monoxide

Electrochemical, with H2 compensation 4 000ppm |

1ppm

± 5ppm abs. or 5% rel. 45 sec ISO 12039,
CTM-030
CO

Carbon Monoxide

Electrochemical Sensor 20 000ppm |

1ppm

± 5ppm abs. or 5% rel. 45 sec ISO 12039,
CTM-030
CO

Carbon Monoxide

Electrochemical, with H2 compensation 20 000ppm |

1ppm

± 5ppm abs. or 5% rel. 45 sec ISO 12039,
CTM-030
CO

Carbon Monoxide

Electrochemical Sensor 10% |

0.001%

± 0.005% abs. or 5% rel. 45 sec ISO 12039,
CTM-030
CO

Carbon Monoxide

NDIR

Non Dispersive Infra Red

10% |

0.01%

± 0.05% abs. or 5% rel. 45 sec EN 15058 and

Method 10

CO

Carbon Monoxide

NDIR

Non Dispersive Infra Red

25% |

0.01%

± 0.05% abs. or 5% rel. 45 sec EN 15058 and

Method 10

CO

Carbon Monoxide

NDIR

Non Dispersive Infra Red

50% |

0.01%

± 0.05% abs. or 5% rel. 45 sec EN 15058 and

Method 10

CO

Carbon Monoxide

NDIR

Non Dispersive Infra Red

100% |

0.1%

± 0.5% abs. or 5% rel. 45 sec EN 15058 and

Method 10

CO2

Carbon Dioxide

NDIR

Non Dispersive Infra Red

5% |

0.01%

± 0.05% abs. or 5% rel. 45 sec ISO 12039,

OTM-13

CO2

Carbon Dioxide

NDIR

Non Dispersive Infra Red

10% |

0.01%

± 0.05% abs. or 5% rel. 45 sec ISO 12039,

OTM-13

CO2

Carbon Dioxide

NDIR

Non Dispersive Infra Red

25% |

0.01%

± 0.05% abs. or 5% rel. 45 sec ISO 12039,

OTM-13

CO2

Carbon Dioxide

NDIR

Non Dispersive Infra Red

50% |

0.01%

± 0.05% abs. or 5% rel. 45 sec ISO 12039,

OTM-13

CO2

Carbon Dioxide

NDIR

Non Dispersive Infra Red

100% |

0.1%

± 0.5% abs. or 5% rel. 45 sec ISO 12039,

OTM-13

CxHy

Total Hydrocarbons

NDIR

Non Dispersive Infra Red

1% |

0.01%

± 0.05% abs. or 5% rel. 45 sec
CxHy

Total Hydrocarbons

NDIR

Non Dispersive Infra Red

5% |

0.01%

± 0.05% abs. or 5% rel. 45 sec
CxHy

Total Hydrocarbons

NDIR

Non Dispersive Infra Red

10% |

0.01%

± 0.05% abs. or 5% rel. 45 sec
CxHy

Total Hydrocarbons

NDIR

Non Dispersive Infra Red

25% |

0.01%

± 0.05% abs. or 5% rel. 45 sec
CxHy

Total Hydrocarbons

NDIR

Non Dispersive Infra Red

50% |

0.01%

± 0.05% abs. or 5% rel. 45 sec
CxHy

Total Hydrocarbons

NDIR

Non Dispersive Infra Red

100% |

0.1%

± 0.5% abs. or 5% rel. 45 sec
NO

Nitric Oxide

Electrochemical Sensor 1 000ppm |

1ppm

± 5ppm abs. or 5% rel. 45 sec CTM-022
NO

Nitric Oxide

Electrochemical Sensor 5 000ppm |

1ppm

± 5ppm abs. or 5% rel. 45 sec CTM-022
NO2

Nitrogen Dioxide

Electrochemical Sensor 1 000ppm |

1ppm

± 5ppm abs. or 5% rel. 60 sec CTM-022
NO2

Nitrogen Dioxide

Electrochemical Sensor 4 000ppm |

1ppm

± 5ppm abs. or 5% rel. 60 sec CTM-022
SO2

Sulphur Dioxide

Electrochemical Sensor 2 000ppm |

1ppm

± 5ppm abs. or 5% rel. 45 sec
SO2

Sulphur Dioxide

Electrochemical Sensor 5 000ppm |

1ppm

± 5ppm abs. or 5% rel. 45 sec
H2S

Hydrogen sulfide

Electrochemical Sensor 1 000ppm |

1ppm

± 5ppm abs. or 5% rel. 70 sec
H2S

Hydrogen sulfide

Electrochemical Sensor 10 000ppm |

1ppm

± 5ppm abs. or 5% rel. 45 sec
H2

Hydrogen

Electrochemical Sensor 2 000ppm |

1ppm

± 10ppm abs. or 5% rel. 50 sec
H2

Hydrogen

Electrochemical Sensor 20 000ppm |

1ppm

± 10ppm abs. or 5% rel. 70 sec
H2

Hydrogen

TCD

Thermal Conductivity Detector

10% |

0.1%

± 0.5% abs. or 5% rel 45 sec
H2

Hydrogen

TCD

Thermal Conductivity Detector

25% |

0.1%

± 0.5% abs. or 5% rel 45 sec
H2

Hydrogen

TCD

Thermal Conductivity Detector

50% |

0.1%

± 0.5% abs. or 5% rel 45 sec
H2

Hydrogen

TCD

Thermal Conductivity Detector

100% |

0.1%

± 0.5% abs. or 5% rel 45 sec
N2O

Nitrous Oxide

NDIR

Non Dispersive Infra Red

2 000ppm |

1ppm

± 10ppm abs. or 5% rel 45 sec ISO 21258
N2O

Nitrous Oxide

NDIR

Non Dispersive Infra Red

5 000ppm |

1ppm

± 10ppm abs. or 5% rel 45 sec ISO 21258
CHF3

Fluoroform (Refrigerant R23)

NDIR

Non Dispersive Infra Red

2.5% |

0.01%

± 0.05 abs. or 5% rel. 45 sec
CL2

Chlorine

Electrochemical Sensor 250ppm |

1ppm

± 5ppm abs. or 5% rel. 60 sec
VOC

Volatile Organic Compounds

PID

Photo Ionization Detector

100ppm |

1ppm

± 5ppm abs. or 5% rel. 120 sec Method 21
VOC

Volatile Organic Compounds

PID

Photo Ionization Detector

1000ppm |

1ppm

± 5ppm abs. or 5% rel. 120 sec Method 21

Pleasant interface

Its powerful and pleasant PC interface provides operators and system integrators with a broad range of settings to adjust many aspects of the measurement tasks such as automated sampling, calibration, purge sequences, analogue outputs behaviour, data presentations…

For large sites with complex monitoring requirements, the LAN and ModBus interfaces allow implementing in an efficient way large instruments networks with master/slave configurations and user settable monitoring functions.

MAMOS-CEMS-interface

Optimised integration

This compact system is delivered ready for installation. Thanks to its small size, the system is easy to locate,  install and set-up. The routing of the cables and tubes to the instrument is simplified with all gas and electrical connections grouped onto a single plate.

MAMOS-CEMS-Connector panel MAMOS-CEMS-Connector panel-2

Advanced Features

  • Miniature and field replaceable technology
  • Standard configuration includes 6 sensors (NDIR, TCD, PID or Electrochemical)
  • Measured gases: O2, CO, CO2, CxHy, NO, NO2, SO2, H2S, H2, N2O, Cl2, VOC
  • Built-in real-time calculations for the following process parameters:

 

Variable Method Range   I   Resolution Accuracy Response Time (T90)
Tgas

Gas temperature

K-type thermocouple -50 ÷ 1000°C |

0.1°C

± 2°C 10 sec
Tgas

Gas temperature

S-type thermocouple -50 ÷ 1000°C |

0.1°C

± 2°C 10 sec
Tamb

Boiler intake air temperature

PT500 resistive sensor -50 ÷ 1000°C |

0.1°C

± 2°C 10 sec
DP

Differential Pressure

Silicon piezo-resistive pressure sensor 25hPa ÷ +25hPa |

1Pa (0.01hPa)

± 2Pa abs. or 5% rel. 10 sec
V

Gas velocity

With sampling probe equipped Pitot tube & pressure sensor 1 ÷ 50m/s |

0.1m/s

0.3m/s abs. or 5% rel. 10 sec
Lambda λ

Excess air number

Calculated 1 ÷ 10 |

0.01

± 5% rel. 10 sec
qA

Stack loss

Calculated 0 ÷ 100% |

0.1%

± 5% rel 10 sec
Eta η

Combustion Efficiency

Calculated 0 ÷ 120% |

0.1%

± 5% rel 10 sec
  • Large display / User friendly menu
  • Built-in gas chiller with continuous condensate removal
  • Data-logger with SD card for results collection.
  • Analogue outputs (both current and voltage) to control external devices
  • User configurable functions controlled via digital and analogue inputs
  • USB, LAN, RS485 and MODBUS

Versatile in use

The sampling system configuration can be adapted to specific monitoring needs such as multipoint monitoring, redundancy, continuous or time set measuring cycles… When sampling from wet and hot gas, moisture content, condensates and salts are continuously removed by the use of one or several gas dryer(s) (Peltier or Nafion) equipped with built-in safety filter, condensate trap and safety inline particulate filters.

Wether it uses the built-in sampling pump or the pressure from the source, the analyser is designed to work with overpressure. Single gas channel configuration can handle overpressure up 1.8 bar.

MD3 for high moisture content – Waste incinerator, Syngas, Coal Power Stations, Chemical and refinery facilities, (…)

MAMOS-CEMS-MD3-Gas-Dryer

MD2 for low and medium moisture content – Biogas, landfill, odour filtration system, LNG, (…)

Three configurations

Compact – Short-extractive CEMS – Analyser with gas dryer on a common mounting plate, all installed near the measurement place.

MAMOS-CEMS-Compact Version

 

Dimensions (W x H x D) 240 mm x 360 mm x 160 mm
Weight (depends on equipment) 4 kg ÷ 5 kg
Casing’s material ABS
Protection grade IP 20
Mounting plate

dimensions (H x W) | material | weight

596 mm x 450 mm | aluminium | 1.9 kg
Operating conditions T: 10°C ÷ 50°C, RH: 5% ÷ 90% (non-condensing)
Storing temperature 0°C ÷ 55°C
Power consumption (analyser unit only) 30 W max
Data-logger: type | size | number of results SD flash card | max 4GB | practically unlimited
Display: type | parameters Backlit LCD | 20 characters x 4 lines
Gas pump: type | max gas flow | standard gas flow Diaphragm | max 2l/min | 1.5l/min (90l/h)
Maximal extraction point pressure: Atmospheric ±200hPa
Current analogue outputs 4 outputs 0mA ÷ 20mA or 4mA ÷ 20mA
Voltage analogue outputs 4 outputs 0V ÷ 5V or 0V ÷ 10V
Digital inputs 2 inputs, TTL levels, floating = high level
Digital outputs 1 open collector output + 2 SPDT relays (optional)
Computer communication interface B type USB socket

Split /1 dryer – Cold Dry Extractive CEMS – Analyser and gas dryer are installed on separate mounting plates, each equipped with its own power supply module.  The gas dryer is installed near the sampling point therefore the analyser can be located away from the source. Once free from water vapour, the sample can be conveyed on long distances without the need for heated lines.

MAMOS-CEMS-Split Version-2

Split/2 dryers – Cold Dry Extractive CEMS – Compact configuration with an additional gas dryer installed on separate mounting plates, each equipped with its own power supply module. Two dryers in serial for high drying performances suitable for Traces monitoring in wet sample.

MAMOS-CEMS-Split Version

Twin Split – Cold Dry Multipoint CEMS – This version is based on the Twin Split/1 dryer configuration, but uses two MD3 dryer with their own power supply added on  separate mounting plates enabling measurements from two different locations (each dryer is installed near the sampling point). User programmable sampling sequences.
Mamos - Mulitplexed CEMS

 

 

Madur, state-of-the-art monitoring solutions

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Call us with your application details handy to organise a CEMS demo at your facilities !

AquaGas is supporting the global industrial community with high performance environmental and process monitoring systems (Continuous Emissions Monitoring Systems, Air Quality Monitoring Systems, Online process analysers, Water Quality Monitoring Systems) specifically designed and built to meet your application requirements.

OFCEAS & Low Pressure Sampling

Continuous Emissions Monitoring and Process Control

Starting in 2012, AP2E launched the industrialisation of the ProCeas® and LaserCEM® product range, the continuous and multigas analysers using OFCEAS* patented laser spectrometry. This analyser range is based on several innovations, providing very high performance in terms of response time (less than a few seconds) and great accuracy of the analyses (wide dynamic range from ppb to %):

OFCEAS, CONTINUOUS INFRA-RED LASER SPECTROSCOPY TECHNOLOGY

The ProCeas® and the LaserCEM® are based on the OFCEAS coupled to a Low Pressure Sampling LPS (100 mbar absolute) developed and patented worldwide by AP2E (France), for the online analysis of several key gases in industrial, environmental and OH&S applications. It provides measurements with a very high spectral resolution in addition to an analysis system with a simplified sampling (no heated line nor treatment of samples) and an interference-free, fast and sensitive analysis, regardless of the matrix of the gas to be analysed.

ProCeas

The OFCEAS technology essentially differs from the CRDS (Cavity Ring Down Spectroscopy or Spectroscopy by resonance damping time) technology by its feedback principle: a part of the emitted radiation is returned from the chamber to the laser, enabling the tuning of the laser and the cavity resulting a resonance phenomenon. With a volume of only 15 cm3, the measuring cavity or cell is equipped with mirrors whose reflectivity exceeds 99.99%, providing an optical path between 1 and 10 km (approx. 10 meters in conventional technologies). The immediate consequence of this phenomenon is the identification of very intense absorption peaks with a very narrow spectral width. Given that the source used is a continuous laser, the system presents very high measurement stability: there is no zero drift and no need for new calibrations.

LOW-PRESSURE SAMPLING SYSTEM

The Low Pressure Sampling (LPS) System allows reducing the sample dew point (vapour pressure) to prevent the risk of condensation. The sampling method is achieved by the use of a sonic nozzle which allows reducing the sampling pressure down to 100 mbar. In these conditions the ambient temperature is almost always above the dew point eliminating the risk of condensation.

r4

  • No Sample heated line required to eliminate condensation: low power consumption, no related ongoing maintenance
  • True Direct Extractive CEMS/Process analyser (no dryer or scrubber)
  • No risk of absorption/desorption typical of high SO2/SO3 application
  • Low pressure accentuate the gas finger print
  • Cost effective multipoint monitoring
  • Standard system comply with ATEX standards

The integrity of the sample is therefore ensured. The very low airflow ensures a verylow response time and a minimal contamination of the system.

OFCEAS Detection limits

All these points enable to both increase the detection sensitivity and  simultaneously reduce the noise, which permits the detection of gases at very low levels of sensitivity (traces of H2S – LOD under 50 ppb, or traces of H2O – under 1 ppm).

ProCeas

Complete pre-calibrated multicomponent (H2S, CO, CO2, H2, H2O, HCl, HCN, HF, N2O, NH3, O2 and CH4) laser Infrared Spectrometer designed for online monitoring of combustion process, natural gas (LNG), pure gas (trace) and ambient air (trace).

 

LaserCEM

The LaserCEM is a complete pre-calibrated multi-component (NO, NO2, NOx, SO2, CO, HCl, CO2, H2O, H2S, NH3, N2O, COS, SO3, CH4, HF) laser Infrared Spectrometer designed for Continuous Emissions Monitoring and compliant to standard EN 15267-3 : 2008 and QAL 1 de EN 14181 . With the announcement of the continuous measurement of SO3 (sulphur trioxide) at the exit of combustion units, AP2E represents the link from an industrial point of view between regulatory measurements (EMC) and optimizing production processes. If SO2 is now properly measured, it does not fully reflect the sulphur emissions from combustion units subject to this requirement. In the presence of oxygen, SO2 does in effect form sulphur trioxide (SO3), a gas that is much more corrosive than SO2. And other chemical phenomena occur, particularly in de-nitrification (DeNOx), which in the presence of ammonia may lead both to an over-consumption of ammonia and to filter blockages. Not measuring SO3 entails the under estimation of sulphur emissions, and also additional maintenance costs and over-consumption of reagents. To have continuous and precise knowledge of the SO2 / SO3 couple enables the operator to choose the controlling conditions for limiting the formation of SO3 and its indirect costs.

*Optical Feedback Cavity Enhanced Absorption Spectroscopy: technology developed and patented by the University Joseph Fourier (France), coupled to a Low Pressure Sampling (100 mbar absolute) developed and patented worldwide by AP2E, for the on-line analysis of different gases. By the end of 2010, after two years of R & D studies, the AP2E ProCeas® was the award recipient of the USA “R & D 100” which rewards the 100 most innovative global technologies of the year.

 


AquaGas is supporting the global industrial community with high performance environmental and process monitoring systems (Continuous Emissions Monitoring Systems, Air Quality Monitoring Systems, Online process analysers, Water Quality Monitoring Systems) specifically designed and built to meet your application requirements.