Recovery of anhydrous acids

Details Recovery of anhydrous acids Recovery of anhydrous acids

1978-02-16

1980-10-28

Garner, Vivian

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

Organic compounds

Carboxylic acids and salts thereof

203 15, 203 16, 203 42, 203 64, 203DIG21, 562530, 562531, 562532, 562534, 562535, 562536, 562538, 562545, 562546, 562547, 562548, 562549, 562600, 562606, 562608, C07C 5142, C07C 5144, C07C 5148, C07C 5308, C07C 5322, C07C 5502, C07C 5704, C07C 5714

Patent

active

042308879

ABSTRACT:
C.sub.2 -C.sub.6 monocarboxylic and dicarboxylic acids are scrubbed from gas phase mixtures of such acids and water by gas absorption techniques utilizing a liquid solvent comprising a polyoxyalkylene glycol or a monoalkyl or dialkyl ether thereof. The solvent enriched with the acid is subjected to distillation to recover a substantially anhydrous acid product.

REFERENCES:
patent: 2430086 (1947-11-01), Staff
patent: 2578698 (1951-12-01), Hanford
patent: 2638481 (1963-05-01), Nachod, Jr;
patent: 3448147 (1969-06-01), Hornig
patent: 3932500 (1976-01-01), Duembgen et al.

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