Exhaust gas purifier for methanol-fueled engines

Details Exhaust gas purifier for methanol-fueled engines Exhaust gas purifier for methanol-fueled engines

1990-10-24

1993-12-14

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

Methods

55DIG30, 60297, 60311, 422171, 4232137, 95141, 96134, 96153, F01N 318, B01D 5302

Patent

active

052691403

ABSTRACT:
An adsorber comprising zeolite retained on structure of substantially inorganic fibers disposed in the exhaust gas stream of an engine. The invention has particular application to purification of exhaust gas streams of methanol fueled engines in combination with catalytic means for decomposing undesired organic matter from the exhaust gas stream. The adsorber adsorbs organic matter from the exhaust gas at relatively low exhaust gas temperatures at which the catalyst is of reduced effectiveness, and desorbs organic matter at elevated temperatures at which the catalyst is of heightened effectiveness.

REFERENCES:
patent: 3757521 (1973-09-01), Tourtellotte
patent: 4985210 (1991-01-01), Minami

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