Catalysts for adsorption of hydrocarbons

Details Catalysts for adsorption of hydrocarbons Catalysts for adsorption of hydrocarbons

1993-11-05

1995-04-18

Pal, Asok

Catalyst, solid sorbent, or support therefor: product or process

Zeolite or clay, including gallium analogs

And additional al or si containing component

502 4, 502 87, 502439, 502527, 4232392, B01J 2906, B01J 29068

Patent

active

054078806

ABSTRACT:
A catalyst for the adsorption of hydrocarbons is used in an apparatus for the purification of exhaust gas from an internal engine and comprises a honeycomb monolith carrier, a first layer of at least one zeolite having a different crystalline structure, a second layer containing at least one of Pt and Pd as a catalytic component, and a third layer containing Rh as a catalytic component.

REFERENCES:
patent: 5292696 (1994-03-01), Ito et al.

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