Regeneration of carboxylic acid-laden basic sorbents by leaching

Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof

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562589, C07C 5142

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059657715

ABSTRACT:
Carboxylic acids are sorbed from aqueous feedstocks onto a solid adsorbent. The acids are freed from the sorbent phase by treating it with an organic solution of alkylamine thus forming an alkylamine/carboxylic acid complex which is decomposed with improved efficiency to the desired carboxylic acid and the alkylamine. Carbon dioxide addition can be used to improve the adsorption or the carboxylic acids by the solid phase sorbent.

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