Sulfur oxides control in cracking catalyst

Details Sulfur oxides control in cracking catalyst Sulfur oxides control in cracking catalyst

1978-12-04

1981-01-06

Dees, Carl F.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252437, 208114, 208120, 423244, B01J 2904

Patent

active

042435560

ABSTRACT:
In removing sulfur oxides from flue gas in a cracking catalyst regenerator in the presence of a silica-containing particulate catalyst by reacting the sulfur oxides with alumina in a particulate solid other than the catalyst, activity loss in the alumina as a result of migration of silica from the catalyst particles to the alumina-containing particles is lessened by using alumina-containing particles which contain sodium, manganese or phosphorus.

REFERENCES:
patent: 4087383 (1978-05-01), Gernand et al.
patent: 4115251 (1978-09-01), Flanders et al.
patent: 4146463 (1979-03-01), Rodford et al.
patent: 4152400 (1979-05-01), Gernand et al.

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