Process for recovering alkyl sulfonic acid from photosulfoxidati

Details Process for recovering alkyl sulfonic acid from photosulfoxidati Process for recovering alkyl sulfonic acid from photosulfoxidati

1972-12-29

1976-10-26

Yudkoff, Norman

Distillation: processes, separatory

With disparate physical separation

203 91, 260504R, 260513R, B01D 310

Patent

active

039882187

ABSTRACT:
A process for recovering alkyl sulfonic acid from a photosulfoxidation reaction mixture of an alkane comprising the steps of: separating a major portion of the unreacted alkane contained in said reaction mixture by settling; subjecting thus treated reaction mixture to steam-distillation to remove the remaining portion of the unreacted alkane together with the sulfur dioxide therefrom; subsequently separating the sulfuric acid without heating from the resulting mixture by settling, thereby recovering the alkyl sulfonic acids.

REFERENCES:
patent: 2523490 (1950-09-01), Adams et al.
patent: 3507909 (1970-04-01), Blackwell

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