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process gas monitor Applications

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    Laser gas detection for process control

    Axetris laser gas detection OEM modules are used in a variety of process control applications: Agriculture, Industrial Process Control, Selective Catalytic Reduction.

    By Axetris Ag based in Kaegiswil, SWITZERLAND.

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    High quality gas sensor solutions for process control

    Gas monitors controlling heat treatment of metals. Endothermic gas is a mixture of carbon monoxide, carbon dioxide, methane and other gases that is required for hardening or carburising of steel. By carefully controlling the amounts of each gas and the temperature in the treatment furnace, the steel surface can be hardened to provide long lasting components such as gears and tools.

    By Edinburgh Instruments Ltd based in Livingston, UNITED KINGDOM.

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    Gas monitoring instruments and systems for DeNOx process control

    In most combustion process atmospheric nitrogen reacts with oxygen in high temperature conditions to produce nitrogen oxides (NOx). Total NOx production is the sum of nitrogen monoxide NO and nitrogen dioxide NO2. The emissions of these gases are controlled through setting of emission limit values (ELVs) for power plants.

    By Gasmet Technologies Oy based in Helsinki, FINLAND.

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    Gas monitoring instruments and systems for process NOx measurement

    Nitric acid HNO3 is an important intermediate reagent for production of several important end products, such as fertilizers, explosives, dyestuffs/pigments, pesticides, pharmaceuticals, photographic materials, plastics, and synthetic fibers. At nitric acid manufacturing plants, the Gasmet™ FTIR Gas Analyzer can be used to measure several gaseous components from the process stream for purposes of process control. A single system can be used to measure the high levels of nitrogen monoxide NO and nitrogen dioxide NO2, as well as water vapor H2O, nitrous oxide N2O, carbon monoxide CO, carbon dioxide CO2 and ammonia NH3. The fixed installation products for these purposes are the Gasmet™ CEM II measurement system, and the Gasmet™ FCX Gas Analyzers, both of which utilize the FTIR measurement technique for simultaneous multicomponent analysis of the sample gas.

    By Gasmet Technologies Oy based in Helsinki, FINLAND.

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    Gas monitoring instruments and systems for nitric acid process

    Modern production method of nitric acid production may lead to generation of several different gaseous emission components, such as nitrogen oxides (NOx), ammonia NH3 and nitrous oxide N2O. Nitrogen monoxide is an intermediate gaseous product in manufacturing of nitric acid HNO3. NO is formed in a catalytic reaction between ammonia and molecular oxygen O2. But undesirable side reactions may result in formation of nitrogen dioxide NO2 and nitrous oxide N2O. The NO and NO2 emissions can be reduced by use of Selective Catalytic Reduction unit (SCR), which deploys ammonia gas NH3 to limit emissions of NO and NO2. A modern nitric acid plant needs to monitor the emissions of these gases.

    By Gasmet Technologies Oy based in Helsinki, FINLAND.

  • Gas monitoring during industrial process

    EM-5 CEMS Coal power plant: Entrance of SCR denitration device, NOx O2 Exit of SCR denitration device: Measure remanet NH3 after reaction and avoid blocking by crystallization, NH3; Calculate denitrification rate with Nox input, NOx O2 Gas-fired power plant: Counting tail gas emission and realtime concentration, NOx O2 SO2 Temperature pressure flow dust

    By HANGZHOU ZETIAN TECHNOLOGY CO., LTD based in Hangzhou, CHINA.

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    Flow meters for the semiconductor processing

    From bulk gas delivery to cleaning to purging operations, Sierra`s mass flow meters and controllers offer the simplicity and robustness demanded in these applications. Our ability to handle corrosive gases, high flow rates and multiple gases with the same unit makes Sierra`s mass flow meters and controllers a tool-makers choice.

    By Sierra Instruments, Inc. based in Monterey, CALIFORNIA (USA).

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    Flow meters for the process control & manufacturing

    Sierra`s mass flow meters and controllers are widely used in the process control and manufacturing industries. From bulk gas delivery to cleaning to purging operations, Sierra`s mass flow meters and controllers offer the simplicity and robustness demanded in these applications. Our ability to handle corrosive gases, high flow rates and multiple gases with the same unit makes Sierra`s mass flow meters and controllers a tool-makers choice.

    By Sierra Instruments, Inc. based in Monterey, CALIFORNIA (USA).

  • Environmental monitoring solution for mineral processing

    Measurement of particulates, SO2, NOX, CO, hydrocarbons and greenhouse gas emissions from the mineral process industries requires careful selection of instrumentation. Ecotech offers a complete monitoring solution tailored to this industry.

    By Ecotech Pty Ltd based in Knoxfield, AUSTRALIA.

  • Industrial process and environmental monitoring

    Laser Gas analyzer Oil refining, CO, CO2, O2, CH4 Ethylene cracking CO, CO2, etc. EO/EG, PE/PP, O2, C2H4, etc. Ethyl benzene/styrene monomer/PS, O2, CO/CO2, Trace water in the benzene PTA, CO, CO2, O2 Coal gasification O2 Mathanol/ammonia/urea O2, CO, CO2, NH3, etc. Chlor-alkali/PVC H2O, O2, CO2, C2H4, etc Sulphuric acid O2

    By HANGZHOU ZETIAN TECHNOLOGY CO., LTD based in Hangzhou, CHINA.

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    Gas monitoring instruments and systems for print factories

    Typical modern printing processes utilize solvent-based dyes. The evaporation of the dye solvents into the ambient air during the printing process may expose the workers to various chemicals. Depending on the type of solvents in case, the solvents have different long term exposure limits, which should be obeyed. Component specific measurements are necessary to protect the workers from exposure while avoiding unnecessary interruptions to the printing process from false alarms.

    By Gasmet Technologies Oy based in Helsinki, FINLAND.

  • Combustion gas analysis for the indoor environment industry

    Flue-gas analyzers are designed to be rugged and accurate at the same time. They are used by the HVAC industry, energy industry, process control, glass industry, food industry, universities and analysis is required. 

    By IMR Environmental Equipment, Inc. based in St. Petersburg, FLORIDA (USA).

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    Gas analysis & monitoring system for leak searching

    Many chemical compounds and gas are invisible to the naked eye. But there are many companies that make intensive use both during and after the production process. The manner and frequency with which companies are required to monitor, document, report and rectify any escape of volatile gaseous compounds are established by regulations extremely rigid. The technology most widely used is the “Imaging Camera” or “sniffer technology.” “When we look for gas leaks, check all systems in places that may or may not have been previously identified. These controls are carried out regularly and are very important after a shutdown.

    By ETG Risorse e Tecnologia based in Montiglio, ITALY.

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    Gas analysis & monitoring system for semiconductor

    The Cleanroom is a combined laboratory chemical, mechanical and / or electronic whose main characteristic is the presence of very pure air, that is a very low content of fine dust in suspension. In the process of semiconductor production, the airborne particles (micro-powder) go to irreparably damage the micro-photoetched that form the chip, creating an electronic circuit defective, and then discarded. This process has forced the improvement of industrial production environments, removing particles from the air, for two purposes: to increase the efficiency of production, increasing the yield of quality, and requirement of the manufacturer (of course based on the demand of the market) in shrink increasing the area of etching of semiconductors (just think of the USB storage media in a few years, went from 16 MB to 16 GB without changing the external dimensions).

    By ETG Risorse e Tecnologia based in Montiglio, ITALY.

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    Gas monitoring instruments and systems for fumigation

    Sea cargo containers and wooden packing materials are fumigated to control the spreading of pest animals and micro-organisms. Fumigant gases are toxic and measurements are carried out as a health and safety precaution. Measurements are required by e.g. customs inspectors prior to opening containers, making the shipping companies responsible for carrying out measurements. Products shipped in containers may release VOCs from e.g. solvents and glues used in manufacturing process. The concentrations of vapors may be significant in the confined space of the container. While most containers originate in China and Southeast Asia, cargo container measurements are done in ports across the world, as the same gases are encountered in all ports.

    By Gasmet Technologies Oy based in Helsinki, FINLAND.

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    Gas Detection Solutions for Liquified Natural Gas Detection

    Liquefied natural gas owners require improved routine monitoring of facilities for safety, economic and regulatory reasons. Leaking LNG can cause explosions leading to loss of life and property. Loss of product through undetected leaks dramatically reduces a pipeline operator’s profitability. Traditional gas detectors are slow to reach and require a labour intensive process to keep maintained. IR detectors have been used but with limited success because of cross interference from other atmospheric gases.

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

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    Portable and fixed gas analysers for CO2 monitoring

    Monitoring industrial processes, CO2 gas quality control and indoor air quality can all be achieved using Geotech`s wide ranging CO2 analysers.

    By Geotech based in Leamington Spa, UNITED KINGDOM.

  • 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).

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    Gas analysis & monitoring system for food traceability

    Recognition of raw materials: The analysis of stable isotopes is very important especially in studies of authenticity of the food. It, on the basis of different isotopic ratio, allows to recognize molecules, present in foods, having the same chemical structure but coming from different raw materials or processed by different processes, for example for biological synthesis or industrial.

    By ETG Risorse e Tecnologia based in Montiglio, ITALY.

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    Gas monitoring instruments and systems for semiconductor manufacturing

    In the semiconductor manufacturing industry, various perfluorinated compounds (PFCs) are used. The emissions of the PFC compounds into the ambient air are reduced by scrubbing of the exhaust gases from the process. In this process, the Gasmet™ FTIR Gas Analyzers can be used to measure the emissions into the atmosphere and also monitor the efficiency of the scrubbers. Typically monitored PFCs in the exhaust gas include carbon tetrafluoride CF4, trifluoromethane CHF3, and hexafluoroethane C2F6.

    By Gasmet Technologies Oy based in Helsinki, FINLAND.

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