Acoustic and Emission technologies

Polluters - Contaminants (PM)

PM (Particulate Matter)

Tuesday, 24 July 2012 08:30 A3D
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Atmospheric particulate matter - also known as particulates or particulate matter (PM) are tiny pieces of solid or liquid matter associated with the Earth’s atmosphere. They are suspended in the atmosphere as atmospheric aerosol, a term which refers to the particulate/air mixture, as opposed to the particulate matter alone. Sources of particulate matter can be man made or natural. They can adversely affect human health and also have impacts on climate and precipitation. Subtypes of atmospheric particle matter include suspended particulate matter (SPM), respirable suspended particle (RSP; particles with diameter of 10 micrometres or less), fine particles, and soot.

  • Diesel engines emit a complex mix of pollutants, the most visible of which are very small carbon particles or “soot”, known as diesel PM (Particulate Matter). Diesel exhaust also contains over 40 cancer-causing substances, most of which readily absorbed on the soot particles (PM).


Standards - Norms



Example (detail) of a DPF (Diesel Particulate Filters)
Full Flow Wall flow type

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Last Updated on Wednesday, 22 May 2013 11:07