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NOx control Applications

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    Chemiluminescense based analyzer for industrial applications

    Focuses on medium NOx, NOx-related and multigas-concentrations up to 5’000 ppm where flexibility is a central requirement. Parameters included are NO, NO2, NOx, NH3, NOx-amines, O2 and CO2. Typical supported applications are industrial emission monitoring and gas manufacturing control.

    By ECO PHYSICS AG based in Duernten, SWITZERLAND.

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    Chemiluminescense based analyzer for automotive applications

    Focuses on high NOx, NOx-related and multigas-concentrations up to 10’000 ppm. Parameters included are NO, NO2, NOx, NH3, NOx-amines, O2 and CO2. The applications are characterized by demanding sample gas conditions, such as in automotive, aviation, naval, or combustive engine emissions, as well as in catalyst production.

    By ECO PHYSICS AG based in Duernten, SWITZERLAND.

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    Monitoring solutions for the De-NOx plants

    In recent years the number of Selective Catalytic Reduction (SCR) and Selective Non-Catalytic Reduction (SNCR) plants for De-NOx have increased significantly. Continuous analysis of NOx prior to the de-NOx plant is often required to measure the concentration generated by the combustion process. This may be required to provide feed-forward to the Ammonia/Urea injection system and also to allow the effectiveness of the reduction process to be assessed. Continuous analysis of NOx post-reduction is required to allow the effectiveness of the reduction process to be assessed. It may also be beneficial to monitor NH3 slippage at this stage by calculating from the pre and post NOx levels if excess Ammonia/Urea is being applied.

    By Codel International Ltd based in Bakewell, UNITED KINGDOM.

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    Chemiluminescense based analyzer for semiconductor applications

    NOx detection is an innovative approach in CMP (Chemical Mechanical Polishing) process control. CMP smoothens the wafer surface with a combined chemical and mechanical polishing procedure. During production, wafers are coated by a thin layer. To avoid damage to the wafer surface, for instance by stress cracks, the NOx emitted as soon as the wafer is plane and blank must be measured. Therefore, a high-resolution NOx-detector, capable of determining exactly when the polishing process must be stopped, is essential. This approach is used successfully in manufacturing and development lines worldwide, since 1996.

    By ECO PHYSICS AG based in Duernten, SWITZERLAND.

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    Intensive smell

    CTP's convincing solution: The closed circuit process of complete elimination of ammonia without any additional reducing agent (which would have had to be ordered, stored and injected into the waste gas) is patented by CTP.

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    Continuous emissions monitoring for cement industry

    Process control and emissions monitoring in cement plants, can be a challenge due to the dusty and corrosive environment. OPSIS provides an accurate system that will operate with high performance and a minimum of maintenance.

    By Opsis AB based in Furulund, SWEDEN.

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    Continuous emissions monitoring for chemical industry

    Process control and emissions monitoring in a chemical plant is a challenge due to corrosive gases, high dust load, and high temperatures. To use an extractive system in this environment will demand a lot of maintenance.

    By Opsis AB based in Furulund, SWEDEN.

  • Recipricating Engine

    EmeraChem manufactures CO catalysts to eliminate carbon monoxide (CO), VOC's, formaldehyde, and nitrogen oxides (NOx) contaminates from Lean and Rich burn, 2-stroke and 4-stroke reciprocating engines.

    By EmeraChem based in Knoxville, TENNESSEE (USA).

  • Nitrogen Oxides (NOx) monitoring

    Oxides of Nitrogen (NO/NO2/NOX) is the product of endothermic reactions within combustion engines and causes significant environmental pollution. The main source of NOX is from the engine of automobiles and these pollutants are harmful to humans in their respective forms or in the creation of ozone (O3) or acid rain. NOX is most prevalent in our societies as a contributor to asthmatic conditions as well as the photochemical smog found throughout many industrialized cities.

    By Ecotech Pty Ltd based in Knoxfield, AUSTRALIA.

  • Continuous emissions monitoring in cement kilns

    Various pollutants form in the cement manufacturing process, especially when alternative fuels and waste-derived fuels are used. Typically a cement kiln using these fuels is a required to monitor hydrogen chloride (HCl). Gasmet CEM II is EN 15267-3 approved for HCl measurement in 0 … 15 mg/Nm3 range.High process temperatures result in generation of more nitrogen oxides (NOx) than in typical municipal waste incineration.

    By Gasmet Technologies Oy based in Helsinki, FINLAND.

  • PLAZKAT systems for treatment of emissions in the petrochemical industry

    Today, the reduction of atmospheric emissions produced by the gas processing and petrochemical industries is an acute problem. The most widely used technique of exhaust gas treatment comprises complete burning, even though this method does not provide an adequate degree of treatment. Therefore, in this case PLAZKAT systems are a more effective solution for removing aromatic hydrocarbon from the emissions.

    By Plasma Air Systems Corporation based in Harju Maakond, ESTONIA.

  • 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.

  • PLAZKAT systems for treatment of emissions from motor and railroad vehicles

    PLAZKAT Aero systems are used to treat emissions from motor and railroad vehicles. It has been found that exhaust gases from internal combustion engines (ICE) contain over 250 ingredients. Major components include carbon oxides, nitrogen oxides and hydrocarbons.

    By Plasma Air Systems Corporation based in Harju Maakond, ESTONIA.

  • NOx analyzers for Automotive Mobile Sources

    NOx analyzers for transportation industry exhaust emissions. Options include a heated sample inlet for hot, moist engine exhaust, and AK protocol. View Automotive/Mobile Source Products

    By Eco Physics Inc. based in Ann Arbor, MICHIGAN (USA).

  • Applications and Air Pollutants Removed in the Ceramics and Glass Industry

    Removal of particulate, acid gases and NOx emissions from glass furnaces. Particulate control on glass and ceramic material dryers and furnaces.

    By Bionomic Industries Inc. based in Mahwah, NEW JERSEY (USA).

  • Applications and Air Pollutants Removed for Marine Power Plants

    Control of ship diesel engine emissions to meet MARPOL requirements for particulate ash and soot, sulfur dioxide and NOx. Special compact inline stack mounted space saving designs. Both open loop arrangements using sea water or closed loop using a range of chemical solutions.  Complete system offerings.

    By Bionomic Industries Inc. based in Mahwah, NEW JERSEY (USA).

  • Incineration Industry Emissions Monitoring & Analysis

    Monitoring of emissions from incinerators is a demanding application for Continuous Emission Monitoring Systems. The emissions produced are highly corrosive, some of the gases are soluble and, because the waste being burnt is constantly changing, the resulting stack gas temperature varies widely.

    By Procal - Parker Hannifin Corp based in Peterborough, UNITED KINGDOM.

  • Gas analysis & monitoring systems for emission monitoring

    From the environmental point of view, an issue is any solid, liquid or gaseous substance introduced into the atmosphere that can cause air pollution. Given the wide variety of substances present in the atmosphere, have been proposed several methods of classification: Primary pollutants can be of gaseous or particulate.

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

  • Air pollution control solution for the NOx and CO2

    Specific industrial applications require wet end of pipe treatment for NOx or CO2. Macrotek offers absorbers utilizing various reagents for neutralization of NOx or CO2. NOx scrubbing is particularly suitable in situations where Nitric Acid can be utilized elsewhere in the plant, as it is a scrubbing product. As CO2 regulations become more stringent, methods for reducing emissions are continually being evaluated. Macrotek offers CO2 scrubbing technology which isolates CO2 in a contaminated stream to produce a pure CO2 product, making sequestration a more appealing option.

    By Macrotek Inc. based in Markham, ONTARIO (CANADA).

  • Secundary air flow measurement for power generation industry

    Secondary Air Flow Overview: The need for accurate, repeatable & reliable combustion air measurements in power generation plants is critical to efficient operation and safety throughout the entire facility and processes. Accurate secondary air flow measurement to the burners is critical for maintaining the proper air to fuel ratio, result­ing in more complete and stable combustion, better performance and lower emissions. Coal-fired power plant applications pose a number of challenges to obtaining these critical flow measurements including large ducts, limited metering runs, poor velocity and temperature profiles, vibration and high temperatures.

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

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