1993-03-01

Diesel Particulate Filter with a Disposable Pleated Media Paper Element 930370

Experimental work was undertaken to examine the suitability of regular pleated intake-air filter elements for filtration of diesel particulate matter (DPM). The experiments were carried out using a small diesel powered generator set. The exhaust gas was cooled in a heat exchanger. The major investigated issues were the behaviour of the filter media at different temperatures and their filtration efficiency.
The investigated, cellulose-based media have a relatively low temperature limit and can be exposed only to cooled exhaust gas. Therefore, the potential areas of application of that technology are vehicles with exhaust gas cooling systems, e.g. mining permissible vehicles. In many other confined space applications, however, where the DPM emissions become critical, the exhaust gas may be purposely cooled to allow for the application of the cellulose filters.

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