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NOx Monitoring Applications

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    Tunnel solutions for the extractive areas

    In some countries they do not allow tunnel atmosphere monitors to be mounted on the tunnel wall; also, where there is a single bore it is very difficult to gain access for maintenance purposes. The TunnelTech 400 series are extractive gaseous pollutant and visibility monitors and extract a gas and dust sample from the tunnel bore and carry to a remote analyser. This allows maintenance to take place without affecting tunnel traffic flow.

    By Codel International Ltd based in Bakewell, UNITED KINGDOM.

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    Monitoring solutions for the gas analysers areas

    Most large coal fired power plants and combustion processes are required to monitor CO, NO and NO2 (NOx), SO2 and possibly CO2; in addition the analyser has to be normalised to Standard conditions. For this application CODEL offers the five channel GCEM 40 series which uses Infrared absorption to measure these gases plus moisture, pressure and temperature.  The analyser can be configured for single channel operation to monitor any of these gases plus CH4 and HCl.

    By Codel International Ltd based in Bakewell, UNITED KINGDOM.

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    NO2 analyzer - For Medical Application

    The new and unique AS32M NO2 analyzer using CAPS (Cavity Attenuated Phase Shift) technology is an ideal solution for medical device applications such as INO (Inhaled Nitric Oxide). Originally designed for NO2 monitoring in roadside pollution surveillance and air quality applications, the AS32M is suitable for numerous other NO2 monitoring applications. For more information on how this unique analyzer, contact Environnement S.A.

    By Environnement S.A based in Poissy, FRANCE.

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    Emissions Monitoring

    The Opsis monitoring solution in aluminium smelters is based on either DOAS or laser diode technique. The on-line, open-path systems are used for monitoring HF and sulphur dioxide in potrooms, in fence-line applications and in continuous emissions monitoring. Opsis has long experience of monitoring in aluminium smelters.

    By Opsis AB based in Furulund, SWEDEN.

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    Continuous emissions monitoring for glass manufacturing industries

    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. A single OPSIS system will measure all relevant gas componensts such as NOX, SO2, CO, CO2, H2O, O2, and others.

    By Opsis AB based in Furulund, SWEDEN.

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    Emissions Monitoring for Tunnels

    The Opsis monitoring solution is designed for high-quality gas measurement in traffic tunnels. The monitoring systems have been approved by the Germany TÜV and the U.S. EPA among others.

    By Opsis AB based in Furulund, SWEDEN.

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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.

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    Emissions Monitoring for Cement Plants

    Opsis provides state-of-the-art monitoring equipment, fully meeting the high standards of monitoring performance and reliability that the cement industry requires. The Opsis in situ systems are designed to withstand environments with high particulate levels and high temperatures.

    By Opsis AB based in Furulund, SWEDEN.

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    Emissions Monitoring for Mineral Wool Production

    Opsis cross-stack monitoring systems are successfully used for emissions monitoring in mineral wool plants.

    By Opsis AB based in Furulund, SWEDEN.

  • 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.

  • NH3 Monitoring in Air

    NH3 (Ammonia) is a colorless gas with a distinctive pungent smell. Ammonia monitoring is essential in coal-fired power plants, where NH3 is used to reduce NOx emissions. The ammonia consumes all of the NOx, but its high concentration that is needed for these purposes also starts reacting with other things and in the process can clog up filters and cause premature failure of expensive SCR equipment and pre-heaters. Not to mention that these high levels create an irreparable damage to the environment.

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

  • Total Reactive Nitrogen (NOy) monitoring

    NOy (total reactive nitrogen) is defined as the sum of NOX plus the compounds produced from the oxidation of NOx which include nitric acid. NOy component species include NO, NO2, NO3, HNO3, N2O5, CH3COO2NO2(PAN), and particulate nitrate.

    By Ecotech Pty Ltd based in Knoxfield, AUSTRALIA.

  • NOx analyzers for Source Emissions

    NOx analyzers for measuring emissions from refineries, power generation, industrial processes and other sources, as well as for combustion research. View Source Emissions Products

    By ECO PHYSICS INC. based in Ann Arbor, MICHIGAN (USA).

  • Non-Standard Applications

    Procal supply analysers to monitor many different applications from small combustion plants to large power stations. Examples include University Boiler Plants, Carbon Black Plants, Thermal Oxidisers and Community Heating Projects.

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

  • 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).

  • Water-Wastewater Measurements / NO analyzers for measurement of nitrification processes

    NO analyzers for measurement of nitrification processes applied for treating high concentration nitrogen wastewaters by microbial nitric oxide production. Also, the conversion of N-nitrosomines to nitric oxide for the quantification of those compounds in wastewater impacted waters. View Water-Wastewater Measurement Products

    By ECO PHYSICS INC. based in Ann Arbor, MICHIGAN (USA).

  • 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.

  • Ortelium for smart city management

    For Smart Cities, Ortelium uses the power of environmental data intelligence to improve urban emissions management. Able to pull data from a wide range of sources, it collects, visualises and charts information from citizen observations (made via the Ortelium app), as well as from devices (IoT). Learn more below.

    By Ortelium based in Kiel, GERMANY.

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