Antifoulant for acrylic acid purification

Details Antifoulant for acrylic acid purification Antifoulant for acrylic acid purification

1996-10-23

1998-01-20

Geist, Gary

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

Organic compounds

Carboxylic acids and salts thereof

C07C 5142

Patent

active

057103291

ABSTRACT:
The invention comprises a method of dispersing foulants, residues, gums, precipitates, polymeric tars and other highly oxidized carbonaceous tars which can be formed in the process of manufacture and recovery of acrylic acid. The method comprises adding to the liquid or gaseous phases passing through, or stored in acrylic acid process equipment, an effective antifouling amount of a dispersant which is stable in the environment within an acrylic acid process and is compatible with the equipment used for the manufacture of acrylic acid.

REFERENCES:
patent: 4107030 (1978-08-01), Slovinsky et al.
patent: 4902824 (1990-02-01), Syrinek

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