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Particulate Monitoring Applications

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    AutoChem - Formulations and Product Development

    The particle size distribution is one of the most critical parameters in drug product quality. Real time understanding and control of particles ensures Quality by Design (QbD) in solid and liquid dosage formulation. FBRM and PVM Process Analytical Technologies (PAT) provide in-process real time measurements of particle dimension, particle shape, and particle count. FBRM and PVM are used to promote faster formulation development, improve process confidence, and control batch-to-batch consistency.

    By Mettler - Toledo Int. Inc based in Greifensee, SWITZERLAND.

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    Laboratory Weighing - Filter Weighing

    Traffic means mobility and air emissions. Thanks to economical advantages, diesel engine becomes more and more popular, but particle emission is strictly restricted by regulations. Determining the weight of particulate matter (PM) is a key task in the automotive industry and one which is likely to become even more important as emissions standards become stricter. To allow fast and easy measurement of particulate matter at any time, METTLER TOLEDO has developed new filter weighing solutions.

    By Mettler - Toledo Int. Inc based in Greifensee, SWITZERLAND.

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    Gas monitoring instruments and systems for titanium dioxide

    Titanium dioxide is the most important white pigment used in the polymer industry. It is widely used, because it efficiently scatters visible light, thereby imparting whiteness, brightness, and opacity when incorporated into a plastic product.

    By Gasmet Technologies Oy based in Helsinki, FINLAND.

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    PTR-TOFMS systems for automotive real-time vehicle exhaust analysis

    Monitoring exhaust gas from combustion engines, emitting a large number of different compounds and with rapidly changing concentrations due to variations in operating conditions, necessitates an instrument that measures in real-time and with high sensitivity – an IONICON PTR-TOFMS.

    By Ionicon Analytik Ges.m.b.H. based in Innsbruck, AUSTRIA.

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    Monitoring solutions for the opacity and dust monitoring

    There is a requirement for many small boiler operators to monitor Opacity to determine the smoke density emitted from the boiler. On small boilers we recommend the DCEM 1001 Opacity monitor; this simple, low cost monitor   has high efficiency air purges use compressed air to ensure that optical surfaces are virtually free of dust or debris contamination. This ensures minimal maintenance is required on the sensors.

    By Codel International Ltd based in Bakewell, UNITED KINGDOM.

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    Monitoring solutions for the dust monitors areas

    For large combustion plants and power plants we offer the DCEM 2100 particulate monitor. This monitor is certified to EN 15267 part 3 QAL 1 for all industrial processes including waste incineration. It offers outputs in Transmission, Opacity and mg/m3 (when calibrated against a Standard Reference Method). The DCEM 2100 offers real-time zero and span calibration and an efficient air purge system to prevent optical contamination.

    By Codel International Ltd based in Bakewell, UNITED KINGDOM.

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    Particulate matter, halogens and aerosols

    Without CTP's innovative upstream systems, regenerative thermal oxidation would not be possible, which would render the waste gas purification cost-intensive and inefficient. Continuous burning off in the RTOs eliminates the deposits which periodically clog the ceramic honeycomb blocks.

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    Low level measurement of VOCs and Terpenes close to the sea and the Landes Forest

    It has been established that organic aerosol (OA) makes up for a major fraction of fine particulate matter in all region of the atmosphere. This fraction accounts approximately for half of the total PM2.5 dry mass.1,2 Primary OA is directly emitted in the troposphere from anthropological and natural sources whereas secondary OA (SOA) is formed in-situ in the atmosphere from the oxidation of biogenic or anthropogenic gas-phase precursors and subsequent partitioning of the less volatile products into the particle phase. The current number is that, on a global scale, SOA would represent around 60% of the overall OA.3 However, recent global mass-balance estimations for the removal of volatile organic compounds (VOC) suggest that this number could under-predicts SOA production.4 Recent field measurements in urban locations are also in support of a larger share, indicating that SOA is the dominant fraction of OA, with amounts considerably 20 greater than models predictions.

    By Chromatotec Group based in Val de Virvée, FRANCE.

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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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    Gas monitoring instruments and systems for engine emissions measurements

    The exhaust gas from combustion engines is a complex mixture of gases and particulate matter. The composition of the gas may change rapidly. Multicomponent analysis of exhaust gases can be performed with a Gasmet™ FTIR Gas Analyzer with a response time (T90) of one second. The winning combination is the result using of a small volume gas sample cell, a powerful sample pump and a fast detector with liquid nitrogen cooling. The analyzer, sampling system and computer can be assembled on a cart for use in a dynamometer laboratory, or the portable version can be used for roadside tests.

    By Gasmet Technologies Oy based in Helsinki, FINLAND.

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    Tunnel solutions for the visibility monitor

    The TunnelTech 101 Visibility Monitor (VIS), is an essential part of any road or rail tunnel safety system. It monitors the Visibility within the tunnel and ensures that the tunnel ventilation system provides sufficient clean air for drivers to clearly see the road ahead. The TunnelTech 102 Cold smoke monitor (CSM detects smoke from a fire to rapidly warn the operator of the hazard. Secondly, used in combination with other TunnelTech 101 VIS monitors, the operator can quickly detect the locus of the fire if it is also equipped with the optional PT 101 temperature sensor to accurately measure ambient air temperature in a range of -15 to 1050C.

    By Codel International Ltd based in Bakewell, UNITED KINGDOM.

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    Air quality monitoring

    To estimate the effects of aerosols on health and climate, it is essential to know their chemical composition. Sampling is done using two different types of aerosol collector. The first type are filter collectors that are based on the deposition of suspended particles on surfaces; the second type are powerful aerosol collectors.

    By Metrohm AG based in Herisau, SWITZERLAND.

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    Ambient air quality monitoring solutions for PM2.5/PM10 particulate monitoring

    OPSIS provides real-time, flexible monitoring of particulate matter in the ambient air. Particulate matter monitoring with OPSIS, is a cost-effective solution, is ideally suited for use in modern monitoring stations. It can be remote controlled and includes automatic calibration, features that frees time. The SM200 meets the new regulation for automatic monitoring of PM10 and PM2.5. It also meets the new regulation for particulate matter sampling on filter membranes for further analysis of cadmium, nickel, PAH and other substances.

    By Opsis AB based in Furulund, SWEDEN.

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    High quality gas sensor solutions for building and IAQ

    Precise measurement of air quality. The carbon dioxide content of room air gives a measure of the air quality, especially as it relates to the health and comfort of the people occupying the building. Air quality can be adversely affected by increased levels of carbon dioxide, carbon monoxide, volatile organic compounds (VOCs), particulates, or bacteria. Increased ventilation reduces the level of all of these unwanted contaminants. Measuring the CO2 concentration provides an economical way of ensuring that there is sufficient air circulation and prevents over-ventilation which can add unnecessary heating or cooling costs.

    By Edinburgh Instruments Ltd based in Livingston, UNITED KINGDOM.

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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 S.r.l. based in Montiglio, ITALY.

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    Gas analysis & monitoring system 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.

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    Air quality monitoring for traffic

    Modern intelligent traffic systems are designed to move traffic in an efficient manner as well as reduce the environmental impact of traffic on nearby populations. This includes the effects of noise, particle pollution and gases.

    By AQMesh based in Stratford-upon-Avon, UNITED KINGDOM.

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    Particulate Monitoring

    The Opsis SM200 is a combined particulate monitor that can be used for both automatic measurement and filter sampling. It uses 47 mm filters for sampling and beta attenuation of particulates.

    By Opsis AB based in Furulund, SWEDEN.

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    Continuous emissions monitoring for steel plant

    The nature of steel manufacturing processes places severe limitations on the monitoring methods that can be used. Aggressive environments combined with high levels of particulates and gases make the choice very limited.

    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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