Process for purification of alkoxylated alcohols

Details Process for purification of alkoxylated alcohols Process for purification of alkoxylated alcohols

1992-10-08

1993-12-07

Mars, Howard T.

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

Organic compounds

Oxygen containing

568699, 568616, 568608, C07C 4134

Patent

active

052685101

ABSTRACT:
A process for reducing volatile, odor-causing impurities in alkoxylated alcohols comprising adjusting the pH of an alkoxylated alcohol product mixture containing such impurities to a range of from about 7 to about 8.5 to produce an alkaline alkoxylated alcohol mixture and steam stripping the alkaline alkoxylated alcohol mixture at an elevated temperature for a period of time sufficient to produce a steam stripped alkoxylated alcohol containing a reduced amount of odor-causing impurities.

REFERENCES:
patent: 3245884 (1966-04-01), Kraut
patent: 3847754 (1974-11-01), Oliver
patent: 4143072 (1979-03-01), Hetzel et al.
patent: 4306943 (1981-12-01), Mori et al.
patent: 4745230 (1988-05-01), Otten et al.
patent: 5012013 (1991-04-01), Wimmer et al.

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