Catalyst system and method for increasing the selectivity of a c

Details Catalyst system and method for increasing the selectivity of a c Catalyst system and method for increasing the selectivity of a c

1978-07-13

1980-03-11

Shine, W. J.

Compositions

X-ray or neutron shield

252465, 4232135, B01J 2342, B01J 2344, B01J 2364

Patent

active

041927796

ABSTRACT:
A method is taught for increasing the selectivity of a catalyst in that the catalyst reduces the amount of ammonia produced when exhaust gases are catalytically treated to eliminate oxides of nitrogen therefrom. The method involves including molybdenum on the support media for the catalyst, in addition to the principal catalyst system present to effect the reduction of oxides of nitrogen.

REFERENCES:
patent: 3619127 (1971-11-01), Hass et al.
patent: 3840471 (1974-10-01), Acres
patent: 4061713 (1977-12-01), Weidenbach et al.

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