Sulfur dioxide regeneration of superacid catalyst

Details Sulfur dioxide regeneration of superacid catalyst Sulfur dioxide regeneration of superacid catalyst

B - Operations, Transporting

01

J

252/1.D

B01J 38/12 (2006.01) B01J 27/30 (2006.01)

Patent

CA 2119703

A process for regeneration of spent sulfated and calcined solid superacid catalyst is disclosed. Said process comprises heating said catalyst to a temperature of approximately 450°C and contacting said catalyst with a gas stream comprising oxygen or air and sulfur dioxide. This regeneration process can be performed in situ.

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