Process for scrubbing exhaust gases from diesel engines and...

Details Process for scrubbing exhaust gases from diesel engines and... Process for scrubbing exhaust gases from diesel engines and...

B - Operations, Transporting

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B01D 46/04 (2006.01) B01D 39/20 (2006.01) B01D 46/24 (2006.01) F01N 3/02 (2006.01) F01N 3/022 (2006.01) F01N 3/035 (2006.01) F01N 3/28 (2006.01) F01N 3/021 (2006.01) F02B 3/06 (2006.01)

Patent

CA 1272451

ABSTRACT Process for scrubbing exhaust gases from diesel engines using filter cartridges of open pore ceramic foam are such that the filter cartridges are situated in the exhaust gas stream such that the exhaust gases strike the filter cartridge end and flow through it parallel to its central axis. As a result the amount of soot deposited is greatest in the part of the car- tridge first meeting the inflowing exhaust gases, and decrea- ses rapidly with increasing throughput, consequently the low efficiency part contributes greatly to the undesired back- pressure. The proposed process, in which the exhaust gases flow through the most efficient part of the filter cartridge made of open pore ceramic foam, is such that the exhaust gases flow essen- tially transverse to the longitudinal axis and thus does not exhibit these disadvantages. A filter cartridge of open pore ceramic foam for carrying out the press according to the invention comprises a cylinder (4) with cylindrical shaped opening (5) the central axis of which coencides with that of the cylinder (4). The opening (5) can be closed at one end.

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