Process for recovering volatile acids

Details Process for recovering volatile acids Process for recovering volatile acids

1995-11-16

1999-11-09

Cintins, Ivars

Liquid purification or separation

Processes

Ion exchange or selective sorption

210676, 210683, 4233942, 423488, B01D 1504

Patent

active

059807539

ABSTRACT:
The present invention provides a process for recovering a volatile acid charaterized by bringing a waste liquid containing the volatile acid into contact with an amine having a boiling point of at least 50.degree. C. to thereby cause the amine to tonically adsorb the acid from the waste liquid, and thereafter heating the amine to desorb the acid, and a process for treating waste water utilizing this process.

REFERENCES:
patent: 4056605 (1977-11-01), Vulikh et al.
patent: 4202737 (1980-05-01), Shimizu
patent: 4717554 (1988-01-01), Nomura et al.
patent: 4734200 (1988-03-01), Berry
patent: 4882134 (1989-11-01), Mizrahi

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