Method of producing sulphur trioxide

Details Method of producing sulphur trioxide Method of producing sulphur trioxide

C - Chemistry, Metallurgy

01

B

23/119

C01B 17/74 (2006.01)

Patent

CA 1154933

ABSTRACT OF THE DISCLOSURE A method of preparing sulphur trioxide residing in oxidation of sulphur dioxide, contained in a reaction mixture, in a stationary catalyst bed when the direction of the move- ment of the reaction mixture flow along the catalyst bed is reversed periodically (every 10-200 minutes) or when the tem- perature of this reaction mixture is changed in front of the catalyst bed from 20-200°C to 350-600°C during 10-200 minutes. The proposed invention can be used in sulphur is acid production.

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