Treatment of diesel exhaust gas using zeolite catalyst

Details Treatment of diesel exhaust gas using zeolite catalyst Treatment of diesel exhaust gas using zeolite catalyst

1996-06-05

1998-12-15

Lewis, Michael L.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Mixture is exhaust from internal-combustion engine

4232132, 4232392, B01J 802

Patent

active

058492550

ABSTRACT:
A high activity catalyst and the method of using it to effectively convert the hydrocarbon, soluble oil fraction and carbon monoxide in a diesel exhaust stream while minimizing the oxidation of SO.sub.2 is disclosed. The catalyst comprises at least one platinum group metal dispersed on a two-component support comprising in major amount one or more zeolites and in minor amount an inorganic oxide selected from the group consisting of alumina, titania and mixtures thereof.

REFERENCES:
patent: 5248643 (1993-09-01), Patil et al.
patent: 5462907 (1995-10-01), Farrauto et al.
patent: 5580535 (1996-12-01), Hoke et al.
patent: 5627124 (1997-05-01), Farrauto et al.

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