NO.sub.x Control in cracking catalyst regeneration

Details NO.sub.x Control in cracking catalyst regeneration NO.sub.x Control in cracking catalyst regeneration

1978-12-04

1980-04-22

Gantz, Delbert E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

208118, 208120, 208124, 252411R, 252420, 423239, C10G 1104, B01J 824, B01J 2394

Patent

active

041994353

ABSTRACT:
The amount of NO.sub.x formed during regeneration of a cracking catalyst in the presence of a metallic carbon monoxide combustion catalyst is decreased without substantially adversely affecting the carbon monoxide combustion activity of the promoter by subjecting the combustion-promoting catalyst to steam treatment prior to employing it in the cracking catalyst regeneration operation.

REFERENCES:
patent: 3615166 (1971-10-01), Hindin et al.
patent: 3788977 (1974-01-01), Dolbear et al.
patent: 3806582 (1974-04-01), Acres et al.
patent: 3808121 (1974-04-01), Wilson
patent: 4039622 (1977-08-01), Murrell et al.
patent: 4053556 (1977-10-01), Acres
patent: 4093535 (1978-06-01), Schwartz
patent: 4115250 (1978-09-01), Flanders et al.
patent: 4134860 (1979-01-01), Hindin et al.
patent: 4148751 (1979-04-01), Hemler et al.

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