Continuous Gas Detection Applications

Gas detection analyzers for semiconductor industry

Semiconductor manufacturing facilities employ a number of hazardous gases in their production processes. Whenever these gases are stored, distributed or used in manufacturing processes, there exists the potential for a hazardous condition. The primary hazards associated with these gases include fire, explosion, and contamination resulting in product loss or unscheduled preventative maintenance. These gases must be continuously monitored to ensure the health and safety of employees, to protect property, as well as to maintain regulatory compliance. Continuous gas monitoring in semiconductor facilities is a requirement of local and state regulations.

By Control Instruments Corporation based in Fairfield, NEW JERSEY (USA).

Gas detection for the steel industry

Regarded by many as providing the backbone to modern society, the steel industry is one which continues to evolve. Whether it is geographic shifts in demand or production, or challenges brought by energy or raw material costs, companies continue to develop their processes and facilities to meet them. Alongside these changes companies have also realised the requirement to minimise downtime due to unplanned maintenance and protect workers from exposure to toxic or flammable gas hazards.

By Crowcon Detection Instruments Ltd - a Halma company based in Milton Park, UNITED KINGDOM.

Gas Monitoring and Leak Detection in Underwater Application for the Offshore Oil and Gas

With over 300 sensors and systems sold world-wide and over 35 scientific users publications, Franatech is market leader for underwater methane detection and monitoring. Franatech is a developer and supplier of sensors for detection of gases in water. The company has more than 15 years experience in subsea applications, working with all kinds of sensing technologies. Coming from a scientific environment and further engaged in long term co-operation with universities and institutions, the company has been involved in several oil and gas projects, piloting the use of point sensors for continuous monitoring of gas leakages.

By Franatech GmbH based in Lüneburg, GERMANY.

Gas detection analyzers for chemical & pharmaceutical processes

Chemical and pharmaceutical facilities use a variety of hazardous gases and solvents in their production processes. Whenever these substances are transported, processed or stored, the potential risks are high for hazardous conditions. These substances must be continuously monitored to protect personnel and facilities from accidental releases or leakage. Our various lines of hazardous gas monitoring systems benefit the chemical and pharmaceutical industry in the following applications.

By Control Instruments Corporation based in Fairfield, NEW JERSEY (USA).

Gas Detection Solutions for GHG Monitoring

Most sources of fugitive emissions are from multiple points rather than single point sources. So, open path area or perimeter monitoring provides more meaningful fugitive emissions data than an array of point sensors or a program of grab sampling. Point measurements may underestimate emissions because of missing locations with high gas concentrations, or conversely overestimate because they are located in areas of high concentrations. Grab sampling programs typically check only a small percentage of potential leak locations and extrapolate results to an entire facility. Wide margins of uncertainty are associated with such extrapolations. Open path monitoring provides continuously updated, real-time, integrated emissions across a facility boundary.This provides a complete picture of the fugitive emissions across that boundary,enabling identification of specific operations and times that give rise to higher emissions, and so enabling these emissions to be properly managed and controlled.

By Boreal Laser Inc. based in Edmonton, ALBERTA (CANADA).

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Laser gas detection for environmental compliance

Axetris laser gas detection OEM modules are used in a variety of environmental applications: Biogas Detection, Continuous Emissions Monitoring CEM, Fugitive Emissions, Natural Gas Detection.

By Axetris Ag based in Kaegiswil, SWITZERLAND.

Gas detection analyzers for wastewater treatment industry

Regulations prohibit facilities from discharging flammable or explosive wastes from their processes into the wastewater collection system. These wastes are not only a fire and explosion hazard but they can also effect the efficient and effective operation of the treatment facility. PrevEx Flammability analyzers are used to continuously monitor the waste stream for flammable gases and vapors. Their unique design and operating technology make them the ideal analyzers for the harsh conditions found in the sewer environment.

By Control Instruments Corporation based in Fairfield, NEW JERSEY (USA).

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Continuous emissions monitoring for CO2 capture

The process control of a CO2 capture plant needs good and reliable detection of gas phase NH3 and CO2. Measuring NH3 is a challenge due to the corrosive environment and high concentrations of NH3. Several places in the process needs to be monitored and to transport the sample is difficult. A large dynamic range is needed as the NH3 concentration can vary between 15% volume and a few mg/m3.

By Opsis AB based in Furulund, SWEDEN.

Continuous emissions monitoring for carbon capture and storage

The process control of a CO₂ capture plant needs good and reliable detection of gas phase NH₃. Measuring NH₃ is a challenge due to the corrosive environment and high concentrations of NH₃. Several places in the process needs to be monitored and to transport the sample is difficult. A large dynamic range is needed as the NH₃ concentration can vary between 15% volume and a few mg/m3.

By Enviro Technology Services Ltd based in Stroud, UNITED KINGDOM.

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Continuous emissions monitoring for sulphuric acid production plants

The process control of a sulphuric acid plant needs good and reliable detection of gas phase sulphur dioxide (SO2). To measure SO2 is a challenge due to the corrosive environment and high concentration of SO2. Several places in the process needs to be monitored and to transport the sample gas is difficult. A large dynamic range is needed as the SO2 concentration can vary between 15% volume and a few mg/m3. Most systems installed need a lot of maintenance, sometimes as often as every day.

By Opsis AB based in Furulund, SWEDEN.

Gas analysis & monitoring systems for medical gases monitoring

The measurement of occupational exposure to pollutants in the operating room is an essential tool for the detection of chemical, linked not only to the occurrence of infections and various diseases, but also to reduced alertness and performance of staff. To meet the above requirements, ETG proposes the use of ‘INFRARUN, thanks to the high sensitivity and stability and the very wide dynamic range, INFRARUN is the ideal tool to make a continuous sampling in the short and long-term gaseous contaminants in the field hospital, such as volatile anesthetics, aldehydes, fluorani, isofluorani,, VOC’s, etc.

By ETG Risorse e Tecnologia S.r.l. based in Montiglio, ITALY.

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Gas monitoring instruments and systems for phosgene monitoring

Phosgene COCl2 is a colorless gas. While it has been used as a Chemical Weapon Agent (CWA) in the past, currently this poisonous gas is also an important reagent in synthesis in the pharmaceutical and chemical industries. The plants using phosgene are typically equipped with gas sensors to detect leaks in the indoor ambient air. The critical situations arise when equipment in contact with the gas at the manufacturing facilities are serviced and maintained. As phosgene is very poisonous, even small gas pockets in serviced equipment may be dangerous to maintenance personnel. Gasmet™ FTIR Gas Analyzers are ideal tools to monitor point sources of phosgene. The measurement technology has high specificity, may be operated continuously, and has a fast response time.

By Gasmet Technologies Oy based in Helsinki, FINLAND.

HCl Monitoring in Air

Hydrogen chloride (HCl) is a colorless, sometimes slightly yellow, gas. It is an undesired environmental component that may be damaging to workers and the surroundings. Exposure limits have thus been established by industries to make sure that the workers operate in a safe environment. HCl monitoring is especially required for incinerators, coal-fired power plants, aluminum recycling and cement plants. Unisearch offers a reliable and easy-to-use HCl analyzer – the TDLAS-based LasIR system. Studies have shown that TDLAS equipment provides data that is more accurate than conventional gas monitoring equipment. When calibrated for HCl monitoring, TDLAS is able to detect this gas among other gases present in the area and provide continuous updates with regards to the changes in its concentration.

By Unisearch Associates Inc. based in Concord, ONTARIO (CANADA).

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