ultra-low particulate air Articles

  • Case study - Organic particulate filtration

    Overview A food products company that mixes various types of waxes and other components to make the base for chewing gums was faced with the issue of cleaning up a slightly odorous, visible emission being exhausted from two of their process lines. The components of the emission were hot particles of chewing gum and some volatile organic compounds (VOC's). The particles would quickly clog ...

  • Global solution: Gas and particulate analysis in Cement industry

    Cement plants are increasingly required to install continuous emission monitoring systems (CEMS). While these represent a significant financial outlay, a range of other factors also need to be considered when selecting a suitable CEMS. To the inexperienced, selecting a suitable CEM can mistakenly be considered as simply ensuring that the applicable national regulations (eg MACT in the USA, ...


    By Environnement S.A

  • Total solution: Gas and particulate analysis in Cement industry

    Cement plants are increasingly required to install continuous emission monitoring systems (CEMS). While these represent a significant financial outlay, a range of other factors also need to be considered when selecting a suitable CEMS. To the inexperienced, selecting a suitable CEM can mistakenly be considered as simply ensuring that the applicable national regulations (eg MACT in the USA, ...


    By Environnement S.A

  • Suspended Particulate Matter Definition - SPM and RSPM

    There is much confusion about how to define PM10 particulate, but if articles indicate the definitions they used then the information can be compared with information from other studies. A concern is that the dust measurement equipment for PM10 particulate matter might not be designed to meet the same defined standard as used in the articles which could lead to some discrepancies. ...


    By DustWatch CC

  • Pollution Systems VS-3 wet srubber removes grease and particulate

    A leader in the Food Industry has several Pork Sausage Cookers at their manufacturing site in Alabama.  Each cooker exhausts over 4,000 ACFM.  The streams are saturated with moisture and the pollutant load is pork grease.  Electrostatic Precipitators (ESP’s) have been installed to treat the exhaust.  However, the ESP's were not working well and have high maintenance and ...


    By Pollution Systems

  • Argueso & Co. Achieves 99% Efficiency for Particulate Emissions Using Whirl Wet

    M. Argüeso & Co. produces casting wax blends for the investment casting industry, wax products to stabilize parts during machining, and specialty wax blends for sculpture, jewelry and other uses.  M. Argueso moved from Mamaroneck, New York to Muskegon, Michigan in 2005, subjecting the facility to Michigan’s stringent air regulations. The company’s first priority was a system that would collect ...


    By Tri-Mer Corporation

  • Wet Electrostatic Precipitation Demonstrating Promise for Fine Particulate Control

    Editor’s Note: Part l of this two-part feature on wet electrostatic precipitation (wet ESPs) outlines the need for multi-pollutant air pollution control technologies, the basics of wet and dry electrostatic precipitation, the ability of wet and dry ESPs to treat fine particulate, and the use of wet ESP technology at Northern States Power Company’s Sherco Station. Part II will explore the key ...


  • Apply appropriate models in the study of dry deposition fluxes of particulate matter and polycyclic aromatic hydrocarbons (PAHs) in Tsukuba, Japan

    In this study, plates for downward flux and upward flux were used to measure atmospheric dry deposition fluxes for particulate mass and polycyclic aromatic hydrocarbons (PAHs) in TERC (Tsukuba), Japan. Ambient particles concentrations were also collected using a high-volume air sampler, and ambient particle size distributions between 0.01 μm and 13.1 μm were measured using a low-pressure cascade ...


    By Inderscience Publishers

  • Comparison of tethered balloon vertical profiles of particulate matter size distributions with lidar ceilometer backscatter in the nocturnal urban boundary layer

    A novel ceilometer validation is presented for a nocturnal elevated PM layer observed over Vancouver, British Columbia. The boundary-layer structure was confirmed by both meteorological and PM vertical profiles. This result is especially significant due to the low PM concentrations present during the observational period (a mean PM10 concentration of 10.6 μg m−3 was recorded) and suggests that ...


    By Inderscience Publishers

  • Chemical characterization and preliminary source contribution of fine particulate matter in the Mexicali/Imperial valley border area

    ABSTRACTThe airshed shared by the Valley of Mexicali in Mexico and Imperial Valley in the United States frequently experiences high levels of particulate matter (PM) less than 10 #1;m (PM10). However, very little information exists on the concentration  and composition of fine PM (PM #2;2.5 #1;m, or PM2.5) in the region, particularly on the Mexican side of the border. This paper  ...

  • PrimasonicsTM Audiosonic Acoustic Cleaners Employ High Energy - Low Frequency Sound Waves in a Non-Intrusive, Highly Effective and Automatic Manner to Prevent Particulate Build Up and Maintaining Material Flow

    Operation: PrimasonicsTM Audiosonic Acoustic Cleaners comprise of a Wave Generator and differing Bell Sections. Compressed air enters the Wave Generator and forces the titanium diaphragm to vibrate thus creating a base tone. The varying bell sections amplify and convert this into a particular frequency depending on the application. Sound is best described as the passage of pressure fluctuations ...


  • `Sensitivity of Condensable Particulate Matter Speciation on Predicted Visibility Impacts – Case Study,` presented at the NCASI West Coast Conference, September 2005

    Introduction This paper evaluates a realistic case study for an existing major emission source that is required to evaluate visibility impacts at a nearby federally-protected Class I area. The fictitious source is a 1960's era coal-fired electric generating unit (EGU) characterized as a pulverized coal-fired, dry bottom, wall-fired boiler equipped with PM and NOx controls (i.e., ...


    By Trinity Consultants

  • Urban Air Quality Management

    ' Poor air quality due to pollution is a serious environmental problem in most urban areas. The greatest burden of pollution is on human health. Urban air quality management requires an integrated approach that (i) identifies the most serious problems and measures that offer cost-effective and feasible solutions across a range of economic sectors and pollution sources including industries, ...


    By The World Bank

  • A healthier air supply

    A recent study carried out at an IVF Lab in the US has shown that Steril-Aire’s UVC Emitters™ used in HVAC systems can play a critical role in improving clinical outcomes Aseven and a half-year study conducted in the in vitro fertilisation cleanroom laboratory of the Lehigh Valley Hospital and Health Network in the US found that the use of ultraviolet C or “UVC” lights ...


  • Air pollution in Europe 1990-2004

    Overall picture This report analyses and presents changes in air pollutant emissions and their possible health or ecosystem impacts in Europe covering the period 1990–2004. Emissions of all air pollutants fell substantially during the period 1990–2004 in the 32 EEA member countries (EEA-32), resulting in improved air quality over the region. However, ambient concentrations of particulate ...

  • Evaluation of air pollution trends in Istanbul

    Previously, SO2 and PM10 (particulate matter less than 10 Bm in size) concentration distributions have been investigated in order to assess air pollution in Istanbul during the winter season (November–March) in which the concentration of these pollutants had reached formidably high levels due to the consumption of low-quality fuels (mainly coal) for residential ...


    By Inderscience Publishers

  • 2013: a ‘perfect storm’ in air quality

    As many countries fail to meet air quality targets and large numbers of premature deaths still result from air pollution, Jim Mills, a particulate monitoring specialist and Managing Director of Air Monitors, explains why 2013 will be a pivotal year. In November 2011 Janez Potočnik, European Commissioner for the Environment, expressed his determination to make 2013 the ‘Year of ...


    By Air Monitors Ltd.

  • Criteria and Air-Toxic Emissions from In-Use Automobiles in the National Low-Emission Vehicle Program

    The U.S. Environmental Protection Agency (EPA) implemented a program to identify tailpipe emissions of criteria and air-toxic contaminants from in-use, lightduty low-emission vehicles (LEVs). EPA recruited 25 LEVs in 2002 and measured emissions on a chassis dynamometer using the cold-start urban dynamometer driving schedule of the Federal Test Procedure. The emissions measured included regulated ...

  • Air pollution – the invisible roadside killer

    The VW emissions scandal has helped to raise awareness of the deadly threat posed by air pollution in many of our towns and cities. In the following article, Jim Mills, Managing Director of Air Monitors, an instrumentation company, explains why diesel emissions will have to be lowered and how the latest monitoring technology will be an essential part of the solution. ...


    By Air Monitors Ltd.

  • The ‘ins and outs’ of air quality monitoring

    The National Institute for Health and Care Excellence (NICE) recently issued draft guidance on ‘Air pollution - outdoor air quality and health.’ In the following article Jim Mills, Managing Director of Air Monitors Ltd, explains why there will need to be more funding for monitoring if the mitigation measures mentioned in the guidance are to be implemented effectively. Jim also ...


    By Air Monitors Ltd.

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