Process for the removal of water from acrylic acid

Details Process for the removal of water from acrylic acid Process for the removal of water from acrylic acid

1994-10-06

1995-10-31

Dees, Jose G.

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

Organic compounds

Carboxylic acids and salts thereof

C07C 5142

Patent

active

054631211

ABSTRACT:
The removal of water from aqueous acrylic acid solutions is carried out by removing 10 to 90 wt. % of the water by pervaporation. Subsequent work-up of the acrylic acid by distillation is thereby made easier.

REFERENCES:
patent: 4166774 (1979-09-01), Wagner et al.
patent: 4755299 (1988-07-01), Brueschke
patent: 4915834 (1990-04-01), Brueschke
patent: 4978430 (1990-12-01), Nakagawa et al.
patent: 5156740 (1992-10-01), Brueschke
patent: 5296144 (1994-03-01), Sternina et al.

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