Process for the production of lower alcohols

Details Process for the production of lower alcohols Process for the production of lower alcohols

1994-02-01

1995-04-04

Evans, Joseph E.

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

Organic compounds

Oxygen containing

558 43, C07C 2906, C07C 3110, C07C 3112

Patent

active

054039630

ABSTRACT:
A process for producing lower alcohols is presented in which an olefinic feed and H.sub.2 SO.sub.4 react to form a mixture comprising alkyl sulfates, alkyl disulfates, fat acid, and nonpolar hydrocarbons. The mixture is separated into two phases, a nonpolar phase comprising nonpolar hydrocarbons and a polar phase comprising alkyl sulfates, alkyl disulfates, and fat acids. A rag-layer that forms between the nonpolar and polar phases comprising carbonaceous particulate material is removed by contact with an extraction reagent. This can be a slip stream comprising an etheric derivative of the olefinic feed and an oligomeric derivative of the feed which is withdrawn from a subsequent step the process. This forms a separate hydrocarbon phase which is then extracted. The sulfates are then hydrolyzed to form alcohol.

REFERENCES:
patent: 2055763 (1936-09-01), Greer et al.
patent: 2467846 (1949-04-01), Mottern et al.
patent: 2629747 (1953-02-01), Fugua
patent: 3277190 (1966-10-01), Cofer et al.
patent: 4538010 (1985-08-01), Diana, I et al.
patent: 4760201 (1988-07-01), Diana, II et al.
patent: 4761505 (1988-08-01), Diana, III et al.

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