Process for recovering ethyleneamines

Details Process for recovering ethyleneamines Process for recovering ethyleneamines

1985-04-12

1986-04-15

Warren, Charles F.

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

Organic compounds

Amino nitrogen containing

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

Patent

active

045829373

ABSTRACT:
Ethyleneamines are efficiently recovered from an aqueous solution thereof by extracting them from the aqueous solution into an organic phase with an extractant selected from carbonyl group-containing organic solvents, benzyl alcohol, carboxylic acids and salts thereof, alkylphosphoric acids and salts thereof, and mixed solvents containing at least one of these extractants. The ethyleneamines in the organic phase is recovered preferably from the organic phase to the aqueous phase by incorporating an acid therein, followed by phase separation.

REFERENCES:
patent: 3433788 (1969-03-01), Somekh et al.

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