Chemistry of inorganic compounds – Modifying or removing component of normally gaseous mixture – Mixture is exhaust from internal-combustion engine
Patent
1987-04-16
1988-07-26
Hart, Charles
Chemistry of inorganic compounds
Modifying or removing component of normally gaseous mixture
Mixture is exhaust from internal-combustion engine
55 96, 55523, 55DIG30, 4232155, B01J 802, B01D 5336
Patent
active
047599189
ABSTRACT:
This invention relates to a process for reducing the ignition temperature of diesel soot. The process comprises contacting a hot exhaust from a diesel engine, which exhaust contains diesel soot, with a catalytic composite. The composite comprises a particulate filter coated with a sulfur resistant refractory inorganic oxide selected from the group consisting of titania, zirconia, silica, silica-alumina and alumina which has been treated to be sulfur resistant, i.e. alumina treated with titania, zirconia, tungsten oxide, etc. This coated ceramic trap has deposited thereon at least one catalytic element or compound selected from the group consisting of Pt, Pd, and Rh.
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Society of Automotive Engineering Paper #830082.
Homeier Edwin H.
Joy, III George C.
Allied-Signal Inc.
Hart Charles
McBride Thomas K.
Molinaro Frank S.
Snyder Eugene I.
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