Process for recovering ethyleneamines from aqueous solution of e

Details Process for recovering ethyleneamines from aqueous solution of e Process for recovering ethyleneamines from aqueous solution of e

1984-02-29

1987-03-17

Warren, Charles F.

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

Organic compounds

Amino nitrogen containing

564497, 564478, 564479, 564482, 564511, 564512, 544358, 544402, C07C 8526

Patent

active

046509062

ABSTRACT:
Ethyleneamines are recovered from an aqueous solution of carbonates of ethyleneamines by distilling an aqueous solution of carbonates of ethyleneamines including ethylenediamine, in which the molar ratio of the carbon dioxide component to the ethyleneamines including ethylenediamine is 0.01 to 0.5, whereby ethylenediamine is distilled out together with water. The aqueous solution to be distilled is advantageously prepared by heating an aqueous solution of carbonates of ethyleneamines including ethylenediamine to effect decarboxylation.

REFERENCES:
patent: 4503250 (1985-03-01), Herdle

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