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Monolithic diesel particulate filters and experimental housings are used by Pacific Northwest National Laboratory to study diesel exhaust emissions. One of the housings has a quartz window to allow direct observation of "regeneration" of filter traps. Regeneration is the reacting away of captured soot and results in cleaning of filter traps. Understanding and controlling regeneration is essential to efficient filter trap and engine operation.

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Document Title: Diesel Exhaust Emissions
Category: Energy Production and Conservation
Media Type: Photos
Date of Image/Photo: Spring 2004
Background:
URL of this page: http://picturethis.pnl.gov/picturet.nsf/by+id/AMER-5W52PZ

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