Method of decoloration of triethylenetetramine using sulfonic ac

Details Method of decoloration of triethylenetetramine using sulfonic ac Method of decoloration of triethylenetetramine using sulfonic ac

1985-12-16

1988-03-15

Bascomb, Wilbur

Distillation: processes, separatory

With chemical reaction

Including step of adding catalyst or reacting material

203 38, 203 91, 564498, B01D 334, C07C 8526

Patent

active

047311657

ABSTRACT:
A process of decoloring crude triethylenetetramine (TETA) is disclosed. In the disclosed and preferred procedure, a sulfonic acid ion exchange resin acts on the crude TETA to enable subsequent distillation at elevated temperature to obtain decolored TETA.

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patent: 3819710 (1974-06-01), Jordan
patent: 4039428 (1977-08-01), Wei
patent: 4379024 (1983-04-01), Gardner
patent: 4570019 (1986-02-01), Gibson

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