Catalyst for cleaning exhaust gas

Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Metal – metal oxide or metal hydroxide

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Details

502303, 502324, 502330, 502343, 502344, 502345, B01J 2302, B01J 2310, B01J 2334, B01J 2378

Patent

active

051089777

ABSTRACT:
An exhaust gas cleaner comprising a catalyst carrier on a heat-resistant filter, the catalyst comprising (a) one or more alkali metals, (b) one or more metals selected from the group consisting of Zn, Sn and transition metals excluding platinum-group metals, and (c) one or more rare earth metals, and a method of cleaning an exhaust gas with it. Alkali metals may be added to a fuel.

REFERENCES:
patent: 4460706 (1984-07-01), Imanari et al.
patent: 4588707 (1986-05-01), Domesle et al.
patent: 4902487 (1990-02-01), Cooper et al.

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