Preparation of anhydrous alkanesulfonic acid

Details Preparation of anhydrous alkanesulfonic acid Preparation of anhydrous alkanesulfonic acid

1986-12-08

1990-07-03

Manoharan, Virginia

Distillation: processes, separatory

Distilling to separate or remove only water

From organic compound

159 131, 159 481, 159 49, 159DIG16, 203 78, 203 80, 203 89, 203 90, 562124, B01D 100, B01D 300

Patent

active

049388460

ABSTRACT:
A process for the removal of water from a lower alkanesulfonic acid-water mixture by causing the mixture to run down the internal walls of two vertical evaporator columns operated in series, is disclosed herein.

REFERENCES:
patent: 2518639 (1950-08-01), Proell
patent: 2523490 (1950-09-01), Adams et al.
patent: 2711388 (1955-06-01), Mottern et al.
patent: 3509206 (1970-04-01), Nielsen
patent: 4028072 (1977-06-01), Braun et al.
patent: 4035242 (1977-07-01), Brandt
patent: 4450047 (1984-05-01), Malzahn
patent: 4652343 (1987-03-01), Sridhar

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