Process for production of alkanesulfonic acid

Details Process for production of alkanesulfonic acid Process for production of alkanesulfonic acid

2005-08-09

2005-08-09

Keys, Rosalynd (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Sulfonic acids or salts thereof

C562S030000, C562S115000

Reexamination Certificate

active

06927305

ABSTRACT:
The present invention relates to a process for the production of alkanesulfonic acid. More particularly, the present invention relates to a process for the production of alkanesulfonic acid from alkyl mercaptan effluents generated in chemical industries. The process of the invention comprises the oxidation of the entire alkyl mercaptan generated as an effluent in the chemical industries to serve two concomitant purposes: (1) complete removal of obnoxious odor, and (2) value addition by the production of alkanesulfonic acids selectively in quantitative yields.

REFERENCES:
patent: 3509206 (1970-04-01), Nielsen
patent: 4239696 (1980-12-01), Schreyer et al.
patent: 4808341 (1989-02-01), Desgranchamps
patent: 5912385 (1999-06-01), Kushibe et al.

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