air particulate Articles

  • Air/water cleaning for the control of particulate fouling

    Fouling of feed spacers in spiral wound membrane elements due to particulate fouling and biofouling is one of the main operational problems of nanofiltration or reverse osmosis membrane plants. Removal of particulate fouling from spiral wound membrane elements is investigated using frequent air/water cleaning (AWC). In a pilot setup two spiral wound elements were operated in parallel and were fed ...


    By IWA Publishing

  • Particulate polycyclic aromatic hydrocarbons in urban air of Tehran

    Epidemiological studies have shown correlations between the concentration of particles in the air and increase of daily rates of respiratory and cardiovascular diseases and mortality (Douglas et al.,1992; Jonathan et al.,1995; Auron et al.,1995). Elevated lung cancer rates among women in rural china have been attributed to emissions from their coal-fired stoves (Mumford et al.,1987;Alder and ...


    By University of Tehran

  • Personal exposure to particulate air pollution in transport microenvironments

    Personal measurements of exposure to particulate air pollution (PM10, PM2.5, PM1) were simultaneously madeduring walking and in-car journeys on two suburban routes in Northampton, UK, during the winter of 1999/2000.Comparisons were made between concentrations found in each transport mode by particle fraction, between differentparticle fractions by transport mode, and between transport ...


    By Elsevier

  • Trends of lead in suspended particulate matter in Zagreb air

    Monitoring of lead in Total Suspended Particulate Matter (TSPM) started in Zagreb, Croatia in 1971 at three measuring sites. Monitoring of lead concentrations in PM10 started in 1999. This paper presents the trends of annual mean values for lead concentrations in TSPM and in PM10 particles. The obtained data showed a decreasing trend of lead in TSPM, especially during the last ten years when the ...


    By Inderscience Publishers

  • Scrubber Removes Grease and Particulates from Air Exhaust

    Operating Issue A food-industry leader in Alabama operates several pork-sausage cookers that exhaust over 4,000 ACFM of moisture and pork grease. The operator installed Electrostatic Precipitators (ESPs) to treat the exhaust but these systems performed poorly and generated high maintenance and operating costs. Additionally, these systems were antiquated and required significant capital ...


    By Pollution Systems

  • Finding Air Pollution Solutions by Tracking Particulates and Gases

    An estimated 95% of people live in areas where outdoor fine particulate concentrations exceed the air quality guideline of 10 µg/m3 set by the World Health Organization. Almost 60% of people live in areas where fine particulate matter exceeds even the least stringent WHO interim air quality target of 35 µg/m3. These figures are presented in the State of Global Air 2018 project, and ...


    By Opsis AB

  • Controlling particulate emissions

    Cloud chamber technology uses electrically charged water droplets to attract fine particles and remove them from exhaust streams. At the Saint-Gobain Advanced Ceramics Boron Nitride (formerly Carborundum) plant in Amherst, ...


    By Tri-Mer Corporation

  • Selection of Particulate Monitors

    The installation and operation of continuous particulate emission monitors in industrial processes has become well developed and common practice in industrial stacks and ducts over the past 30 years reflecting regulatory monitoring requirements. It supports requirements originating from LAPPC (Local Air Pollution Prevention and Control), IPPC (Integrated Pollution Prevention and Control), WID ...

  • Health Effects of Fine Particulate Air Pollution: Lines that Connect

    Efforts to understand and mitigate the health effects of particulate matter (PM) air pollution have a rich and interesting history. This review focuses on six substantial lines of research that have been pursued since 1997 that have helped elucidate our understanding about the effects of PM on human health. There has been substantial progress in the evaluation of PM health effects at different ...

  • Seasonal apportionment of the sources of ambient air particulates in the city of Trieste

    A PCA/APCS model was applied to PM2.5 data, which were collected for the Svevo and Muggia districts of the City of Trieste. The sampling campaigns covered the winter and summer periods of 2006. The set of investigated species comprised major inorganic ions, organic and elemental carbon and several Polyaromatic Hydrocarbons (PAHs) that were considered as probable or possible carcinogens by ...


    By Inderscience Publishers

  • Reducing NOx in Diesel Emissions | Spectroscopy Solutions

    Air pollution and NOx emissions from diesel engines are a global concern due to their potential impacts on human health. Researchers worldwide are developing new and improved methods to reduce NOx emissions. Infrared spectroscopy in the gas phase, which is made possible using FTIR gas cells from Specac, has an important role to play in this ...


    By Specac Limited

  • Canarina DISPER software · particulate matter (PM) · air pollution · algorithms 17

    9.2 Non-point source emissions   The DISPER model include algorithms to model line and area  sources, in addition to point sources. These non-point source options of the model are used to simulate the effects of emissions from a wide variety (conveyor belts, rail lines, area sources,…). The area source model is used to simulate the effects of fugitive emissions from sources such ...

  • A Special Issue of the Journal of the Air & Waste Management Association on the Particulate Matter Supersites

    This special issue of the Journal of the Air & Waste Management Association contains 15 peer-reviewed scientific papers from the specialty conference Particulate Matter Supersites Program and Related Studies, which was held in February 2005 in Atlanta, GA. Other peer-reviewed papers will appear in companion issues of the Journal of Geophysical Research, Aerosol Science and Technology, and ...

  • Particulate removal - Case Study

    Application QAFCO (the Qatar Fertiliser Company) operates the world's largest ammonia and urea production site at Mesaieed City, Qatar. The QAFCO 5 expansion project is a $3.2 billion investment to expand capacity to help meet the increased demand from agriculture. It is scheduled to come on stream in 2011. Each of the QAFCO plants uses highly explosive high-pressure natural gas from ...

  • Thermal Desorption-GC/MS Analysis of polycyclic aromatic hydrocarbons on fine particulates in air

    Polycyclic aromatic hydrocarbons (PAHs) are commonly found throughout the environment in soil, water and adsorbed to fine particulate matter in air. Of the 16 common PAHs, 7 have been classified as animal carcinogens by the International Agency for Research on Cancer (IARC). Resulting from this classification, PAHs are monitored and regulated in the environment. Analysis of PAHs in soil and water ...


    By PerkinElmer, Inc.

  • Universal system for forecasting changes in PM10 and PM2.5 particulate matter air pollution concentration

    We present a system for forecasting the changes in PM 10 and PM 2.5 particulate matter air pollution concentration. The system is based on immissions data from automatic measurement stations of the Voivodship (Regional) Inspectorate for Environmental Protection in Warsaw (Poland) and a numerical forecast of meteorological parameters from the Interdisciplinary Centre for ...


    By Inderscience Publishers

  • Human health effects of particulate matter air pollution - comments on current state of the science

    The science of particulate air pollution and health has a long, rich, and complex history. More detailed versions of various aspects of this history can be found elsewhere.1-5 A simple stylized version of this history may suggest that, until the early to mid-1900s, the health effects of air pollution were largely a matter of instinctive observations, suspicion, and superstition. In fact, one of ...

  • Ambient air quality of Kathmandu valley as reflected by atmospheric particulate matter concentrations (PM10)

    This paper presents the analysis and interpretation of ambient particulate matter concentrations measured as PM10 at a network of six air monitoring stations in Kathmandu valley during the years, 2003 through 2005. The purpose was to understand the pollution trends associated with different areas considering levels particulate matter concentrations representing the ambient air quality of ...

  • Association of Self-Reported Leisure-Time Physical Inactivity with Particulate Matter 2.5 Air Pollution

    This study examines the association between annual levels of particulate matter (PM2.5) and self-reported leisure-time physical inactivity (LTPI) in the Behavioral Risk Factor Surveillance System (BRFSS) among 63,290 survey respondents who participated in the 2001 BRFSS from 142 counties in the U.S. The average prevalence of self-reported LTPI was about 24.9% (SE = 0.3%). LTPI prevalence was ...

  • Expect Tighter Particulate Matter Standards

    Particulate matter (PM) is a hot button issue poised to raise business costs and litigation. The U.S. Environmental Protection Agency (EPA) was recently due to issue final PM standard revisions. EPA last year proposed stronger National Ambient Air Quality Standards (NAAQSs) for fine PM (2.5 micrometers or less in diameter (PM2.5)) and the 24-hour PM2.5 standard. However, EPA sought to keep annual ...


    By Bergeson & Campbell, P.C.

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