NO.sub.x control in platinum-promoted complete combustion cracki

Details NO.sub.x control in platinum-promoted complete combustion cracki NO.sub.x control in platinum-promoted complete combustion cracki

1980-05-05

1981-09-22

Gantz, Delbert E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

208121, 252416, 252466PT, 423239, C10G 1118, C10G 1122

Patent

active

042908787

ABSTRACT:
In regeneration of a cracking catalyst using platinum to catalyze combustion of CO, the amount of nitrogen oxides formed is decreased by empolying a combustion promoter containing, for each part of platinum, from 0.01 to 1 part of iridium or rhodium.

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patent: 4235754 (1980-11-01), Chester

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