Process for the separation of propylene glycol from fatty alcoho

Details Process for the separation of propylene glycol from fatty alcoho Process for the separation of propylene glycol from fatty alcoho

1989-06-13

1991-12-31

Bascomb, Wilbur

Distillation: processes, separatory

With disparate physical separation

Utilizing solid sorbent

203 18, 203 46, 203 81, 203DIG19, 568864, 568868, 568872, 568913, B01D 314, B01D 1104, C07C 3120

Patent

active

050768964

ABSTRACT:
A process for the separation of propylene glycol from a mixture of low-boiling fatty alcohols and propylene glycol which comprises extracting the mixture with water to produce a water-propylene glycol mixture and fractionating the water-propylene glycol mixture to produce propylene glycol that is substantially anhydrous and an apparatus for carrying out the process.

REFERENCES:
patent: 2629686 (1953-02-01), Grosser
patent: 3574772 (1971-04-01), Becker et al.
patent: 3816549 (1974-06-01), Prinz
R. K. Freier, "Aqueous Solutions", vol. 1, pp. 280 and 346, (1976).
Ullmans Encyklopaedie der technischen Chemie, vol. 2, (1972), pp. 562-563, 568, 570.

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