Bypass controlled management of sulfur contamination of lean...

Details Bypass controlled management of sulfur contamination of lean... Bypass controlled management of sulfur contamination of lean...

B - Operations, Transporting

01

D

B01D 53/92 (2006.01) B01D 53/02 (2006.01) B01D 53/56 (2006.01) B01D 53/86 (2006.01) B01D 53/94 (2006.01) B01D 53/96 (2006.01)

Patent

CA 2422164

A method and apparatus for de-sulfating a NOx adsorber is disclosed where the NOx adsorber is used to treat exhaust gases created during the combustion of fuels in general. A de-sulfation line is used to bypass a portion of the exhaust line. This help to maintain a catalyst close enough to the engine to light off during de- sulfation or regeneration of adsorber, an adsorber far enough away from the engine to allow heat dissipation from the exhaust gas ensuring a cooled exhaust gas during removal of NOx and a catalyst and adsorber proximate to each other during de- sulfation to ensure high desulfation temperatures.

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