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flue gas monitoring Applications

  • Filtration for Flue Gas Analysis and CEMS

    Three Steps of CEMS: 1st Step: Gas Sampling 2nd Step: Gas conditioning and treatment 3rd Step: Measurement/Calibration In first step, the function is to get sample gas and forward to 2nd step for treatment. During this step, it cannot block the probes and cannot result condensation of moisture. So a filter online back flushing should be equipped in this part. The filters to be used: 1, Filter is used to ensure the stability of system and reduce the maintenance 2, Filtration Grade: usually 2 or 3 micron 3, Temp. is around 0-180 deg C 4, Back flushing gas is heated, impulse flushing 5, Filter Material: Titanium Sintered, SS316L Sintered, PTFE sintered, Ceramic Membrane and so on 2nd Step Gas Treatment: #11;The coarse filters and the liquid particle filters The coarse and fine cartridge can filter the small particles in the gas and acid aerosol things to better protect the instruments. The micron can be 0.1micron, filtration rate can be up to 99.99%, two layers can be 99.9999%

    By Shanghai CMI Environmental Technology Co.,Ltd. based in Shanghai , CHINA.

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    Gas monitoring instruments and systems for stack testing

    Several EU directives and national laws in European countries set requirements for continuous monitoring of flue gas emissions at power plants. Further requirements are set on the quality assurance of the installed measurement systems at the plants. The relevant standard in this regard is EN 14181:2004, the quality assurance of automated measuring systems. The standard dictates how to determine that the measurement systems installed for continuous emissions monitoring at a plant operate according to the directives and regulations set. Two major parts of this on-going quality assurance cycle are the QAL2 and AST procedures. A test laboratory performs tests on the systems on-site, and determines whether the systems fulfill the set requirements or not.

    By Gasmet Technologies Oy based in Helsinki, FINLAND.

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    Emissions Monitoring for Mining / Emissions Monitoring for Smelting

    The Opsis monitoring solution for mining and smelting applications is based on either DOAS or laser diode technique. Opsis non-contact monitoring solutions are very well suited for applications in the Mining and Smelting Industries, as the flue gas conditions often involves high temperatures and high dust concentrations. The on-line, open-path systems are used for monitoring HF, sulphur dioxide, SO3 and HCl in potrooms, in fence-line applications and in continuous emissions monitoring.

    By Opsis AB based in Furulund, SWEDEN.

  • Environmental protection

    Laser Gas measurements Flue gas emissions, HCl, HF, CO, CO2, O2, NH3, NO, NO2

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

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    Continuous emissions monitoring for mining & smelting

    OPSIS non-contact monitoring solutions, based on either DOAS or TDL techniques, are very well suited for applications in the mining and smelting Industries, as the flue gas conditions often involve high temperatures and high dust concentrations.

    By Opsis AB based in Furulund, SWEDEN.

  • Continuous emissions monitoring for mining industry

    Opsis non-contact monitoring solutions are very well suited for applications in the mining Industry, as the flue gas conditions often involve high temperature and high dust concentrations.

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

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    Continuous emissions monitoring for glass manufacturing

    Process control and emissions monitoring in a glass manufacturing plant is a challenge due to high temperature in the flue gas. The OPSIS DOAS system provides the glass industry with an accurate analyser that will operate with a minimum of maintenance. The OPSIS DOAS system is based on a non-contact method that uses an optical path to measure across the duct.

    By Opsis AB based in Furulund, SWEDEN.

  • Environmental monitoring solution for power plant

    The construction of coal and natural gas power stations is continuing at a steady rate along with older power stations being retrofitted with more effective flue gas cleaning systems. Both the community and environmental protection authorities are paying closer attention to both emission and ambient concentrations around power stations.

    By Ecotech Pty Ltd based in Knoxfield, AUSTRALIA.

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    Measurement solution for CO2 capture by amine absorption

    The act of capturing and storing CO2 produced from large scale combustion plants such as power stations is becoming more and more favourable and feasible. One of the most common post-combustion CO2 capture methods is by absorption. The absorption plant can be added on to the existing combustion process, with the flue gas first passing through an absorption column where the CO2 reacts with an absorber. Amines of different types are used as the absorber. An amine CO2 capture plant can capture as much as 90% of the CO2 emitted from the power station and so has a real benefit for the environment. Having said this, care needs to be taken to ensure that amine emissions themselves are monitored, managed and prove no extra damage to the environment. Research is on-going to develop new amines or mixtures of amines to reduce emissions. The most common absorber in use in today’s first generation of industrial pilot plants is Monoethanolamine (MEA).

    By Protea Limited based in Middlewich, UNITED KINGDOM.

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