Process for refining soap-containing crude polyol fatty-acid pol

Details Process for refining soap-containing crude polyol fatty-acid pol Process for refining soap-containing crude polyol fatty-acid pol

1990-12-13

1993-10-05

Manoharan, Virginia

Distillation: processes, separatory

With chemical reaction

Including step of adding catalyst or reacting material

203 36, 203 37, 203DIG6, 536119, 536127, 554175, B01D 334, C07H 100

Patent

active

052501558

ABSTRACT:
A process for refining soap-containing crude polyol fatty-acid polyester reaction product, the process including one or more high-temperature refining treatments and as the first step in the refining process, contacting the crude reaction product with an acid to substantially convert the soap into its corresponding free fatty acids, and the subsequent step of substantially removing from the crude reaction product any salts therein prior to said one or more high-temperature refining treatments.

REFERENCES:
patent: 2948717 (1960-08-01), Babayan
patent: 3963699 (1976-06-01), Rizzi
patent: 4032702 (1977-06-01), James
patent: 4334061 (1982-06-01), Bossier, III
patent: 4517360 (1985-05-01), Volpenhein
patent: 4518772 (1985-05-01), Volpenhein
patent: 4611055 (1986-09-01), Yamamoto
patent: 4968791 (1990-11-01), Vander Plank

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