Recovery of acrylic acid and/or ethyl acrylate from black acid

Details Recovery of acrylic acid and/or ethyl acrylate from black acid Recovery of acrylic acid and/or ethyl acrylate from black acid

1987-07-14

1992-09-08

Garner, Vivian

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

Organic compounds

Carboxylic acid esters

203 63, 203 66, 203 95, 203 96, 203DIG21, 560216, 560217, 560218, 562513, 562598, 562599, 562600, C07C 5704, C07C 6704, C07C 6711, C07C 6954

Patent

active

051459892

ABSTRACT:
Black acid or the sulfuric acid residue obtained in the manufacture of ethyl acrylate by reaction of ethylene and acrylic acid in the presence of sulfuric acid is heated and distilled in the presence of a solvent for recovery of acrylic acid and ethyl acrylate.

REFERENCES:
patent: 3539621 (1970-11-01), Cipollone et al.
patent: 3894076 (1975-07-01), Van Duyne et al.
patent: 3951756 (1976-04-01), Dirks et al.
patent: 4490553 (1984-12-01), Chase et al.

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