Three-way catalyst for automotive emission control

Details Three-way catalyst for automotive emission control Three-way catalyst for automotive emission control

B - Operations, Transporting

01

J

252/50

B01J 37/02 (2006.01) B01D 53/94 (2006.01) B01J 23/44 (2006.01)

Patent

CA 2026608

-16- Abstract of the Disclosure A three-way catalyst for automotive emission control having a mechanical carrier having a support comprised substantially of alumina, a catalytic compound supported on said carrier having a major constituent of palladium, and a discontinuous phase of titanium oxide on or adjacent substantially each exposed particle of the catalytic compound. A method of making a three-way catalyst for automotive emission control, comprising: impregnating with palladium a mechanical carrier having a support comprised substantially of alumina to produce a composite having .05-5.0% palladium; and impregnating the composite with an organo-titanium compound and decomposing such impregnated compound to form a discontinuous titanium oxide phase on or adjacent the exposed portions of said composite. 4346L

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