Sulfur oxides control in cracking catalyst regeneration

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

1980-04-11

1981-02-24

Levine, Herbert

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

208 52CT, 208120, 252411R, 252437, 423244, C10G 4720, B01J 3714

Patent

active

042526353

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 decreased 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), Radford et al.
patent: 4152400 (1979-05-01), Gernand et al.
patent: 4165275 (1979-08-01), Blanton et al.

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