Method for purifying exhaust gases

Details Method for purifying exhaust gases Method for purifying exhaust gases

1992-04-17

1994-07-19

Straub, Gary P.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Mixture is exhaust from internal-combustion engine

4232135, B01J 2338

Patent

active

053307321

ABSTRACT:
A method for the catalytic purification of an oxygen-rich exhaust gas, wherein the catalyst comprises: a catalyst support, a zeolyte layer formed on the catalyst support and noble metals such as platinum, palladium and rhodium loaded on the catalyst. The catalyst for purifying the exhaust gas maintains a superior exhaust gas conversion performance over a long period of time.

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W. M. Meier et al., Atlas of Zeolite Structure Types (pp. 62, 148, 152), 1987.
E. S. Lox et al., "Diesel Emission Control", Catalysis and Automotive Pollution Control II (pp. 291-295), Sep. 1990.

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