Methacrylic acid recovery

Details Methacrylic acid recovery Methacrylic acid recovery

C - Chemistry, Metallurgy

07

C

260/482.7, 260/5

C07C 57/04 (2006.01) C07C 51/377 (2006.01) C07C 69/54 (2006.01) C23F 14/02 (2006.01)

Patent

CA 1226002

ABSTRACT OF THE DISCLOSURE In the recovery and purification of methacrylic acid produced by the vapor phase catalytic oxydehydrogena- tion of isobutyric acid the problem of downstream plugging is avoided by the inclusion of a small amount of surfactant in the gaseous effluent at or near the point of its conden- sation.

452410

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