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Dust Monitoring Applications

  • Dust monitoring of exhaust gases from manufacturing processes

    DynOptic dust monitors use the innovative Dynamic Detection Principle (DDP) to measure dust and particulate within exhaust gases from various manufacturing processes. DDP, or optical scintillation as it sometimes referred to, measures the dynamic fluctuation in light transmission as dust particles move through a light beam. This dynamic fluctuation derives from temporal distributions of the dust particles which attenuate the light beam. The more dust present in the exhaust, the greater the amplitude of these fluctuations. DDP instruments calculate the dynamic response, or the ratio of light variation to light intensity, which for particular applications, is proportional to dust concentration and when calibrated against standard reference measurements, this can be presented as a reading in mg/m³.

    By DynOptic Systems Ltd based in Brackley, UNITED KINGDOM.

  • Opacity monitoring for continuous emissions

    The history of air pollution regulation dates back as far as the 13th century when in 1273, Edward I (Longshanks) of England prohibited the burning of sea coal in London. The smoke produced by its combustion was considered detrimental to human health. By the late 19th and early 20th centuries, regulations were being passed that sought to control air pollution predominantly for smoke and odour control. Traditionally, regulators were concerned with the visual impact of the discharge from a stack or chimney. Therefore, emission limits were expressed in terms of colour or opacity. Modern methods for opacity measurement still use the darkness of the stack gases to measure the amount of smoke or dust emitted within the exhaust gases.

    By DynOptic Systems Ltd based in Brackley, UNITED KINGDOM.

  • Dust monitoring and Sand Storm Monitoring

    The frequency and intensity of dust and sand storms in many parts of the world are steadily increasing due to droughts and climate change. The severity of such storms is anticipated to increase over the coming years. These dust storms may last hours or days and cause huge damage and imposed a heavy toll on society with its physical effects, such as visibility reduction, heavy winds, red sky, hailstone and severe lightning. Such Dust storms, have a negative impact on human health, and industrial products and activities. They reduce visibility, layer on skin and cloths, infiltrate buildings and find their way into food and drinking water leaving a permanent sandy feeling in your mouth. Traditional dust monitoring instruments whether they be purely filter based gravimetric samplers or continuous monitors utilising Tapered Element Oscillating Microbalance (TEOM) or Beta Attenuation (BAM) simply are unable to cope with the high dust loads created by these storms. The filters on these instruments are quickly clogged and no further measurements are possible until a service technician visits to replace filters and filter tapes. In dust storm events this is impossible. Therefore, over the past few years a need for alternate technology which are non filter based, can cope with extremely high dust loads, require minimal maintenance and can operate off solar power has been employed in regions such as the Gobi Desert of China for the continuous monitoring of dust storm events. These instruments have demonstrated that an instrument can measure dust storm events with maintenance performed only once every 12 months. That it is possible to communicate remotely and that these systems can not only provide an early warning for dust events but have the accuracy and sensitivity to be an extremely useful tool in gauging hourly changes of visibility. Infact such instruments have been utilised by a number of EPAs around the world, including all Australian EPAs for the purpose of measuring ambient visibility as well as providing an accurate indication of rising dust events.

    By Ecotech Pty Ltd based in Knoxfield, AUSTRALIA.

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    Aerosol and particle technology for environment industries

    Fine dust is generated by industrial exhaust gases but in particular due to traffic. Environmental pollution is therefore caused particularly by exhaust gases of diesel-engined vehicles (diesel soot) but on the other hand also by abrasion of street, tyres and brakes and its resuspensions.

    By Palas GmbH based in Karlsruhe, GERMANY.

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    Metering of Solids

    If you need to meter powder and granulates with accuracy, ProMinent systems are the right choice. They always store, transport and process solids reliably and precisely thanks to our exacting quality requirements.

    By ProMinent Group - ProMinent GmbH based in Heidelberg, GERMANY.

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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.

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    Air Pollution Removal Orthopedic appliances Industry

    Removal of acid gases and NOx from material surface treatments. Remove titanium dust from grinding, abrasive polishing and buffing operations. Emissions from high temperature furnaces.

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

  • 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.

  • XRF analysis for lead paint

    Niton analysers facilitate direct surface testing for lead paint, testing for lead in dust wipes from surfaces, testing the lead content of soil in the surrounding area (containment) and the testing of lead content in filters from respirators or volume air samplers for worker/public protection.

    By Niton UK Limited based in Woodmancott, Winchester, UNITED KINGDOM.

  • Cement & Lime Industry Emissions Analysis & Monitoring

    A key issue in the measurement of the products of combustion in Cement and Lime industries is the high levels of particulates. The Procal 2000 in situ analyser`s heated probe option is especially suited to this industry as it efficiently deals with variations in process temperature, keeping the probe above the sample dew point and safe from corrosive condensate.

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

  • Gas monitoring and dust monitoring

    Laser gas instruments Pulverized coal bunker, Exit of preheater, Main emission chimney, Cooler,exhaust emission chimney, O2, CO, CO2

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

  • Iron & Steel Industry Emissions Monitoring & Analysis

    Procal analysers are used throughout the steel process from initial sintering of ore, coke production, blast furnace emissions through to roll mill reheat furnace emissions.

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

  • Environmental monitoring solution for cement industry

    Measurement of particulates, SO2, NOx, hydrocarbons and greenhouse gas emissions from the cement manufacturing industry requires careful selection of instrumentation. Ecotech offers a complete monitoring solution tailored to this industry.

    By Ecotech Pty Ltd based in Knoxfield, AUSTRALIA.

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    Gas analysis & monitoring system for dust

    Particulate matter, suspended particulate matter, atmospheric dust, particulate matter, total suspended particulate (TSP), are terms that commonly identify the group of substances suspended in the air (fibers, carbon particles, metals, silica, polluting liquid or solid). Particulate matter is the pollutant that is now considered the greatest impact in urban areas, and is composed of all those solid and liquid particles dispersed in the atmosphere, with a diameter ranging from a few nanometers to 500 microns and above (ie billionths of a meter to half a millimeter).

    By ETG Risorse e Tecnologia based in Montiglio, ITALY.

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    Carbon Dioxide Monitoring for Indoor Air Quality

    Introduction: Accurate control of critical indoor environmental parameters is not only essential for the well-being and comfort of building occupants, but also has a major impact on energy efficiency. A multitude of parameters can affect indoor air quality (IAQ) from gases such as carbon dioxide, carbon monoxide and volatile organic compounds to particulates, humidity and bacteria such as legionella. Carbon dioxide is one of the greatest variables affecting indoor environmental quality since it is produced by people occupying the building. Carbon dioxide production is a function of the number, size and activity levels of the people present in the building. Local concentrations can therefore vary dramatically – for example when a meeting room is occupied, or while workers are on lunch or coffee breaks.

    By Edinburgh Instruments Ltd based in Livingston, UNITED KINGDOM.

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