Process for the production of grade AA methanol

Details Process for the production of grade AA methanol Process for the production of grade AA methanol

1984-03-28

1986-06-03

Bashore, S. Leon

Distillation: processes, separatory

Plural distillations performed on same material

203 18, 203 99, 203DIG19, 203DIG23, 568913, B01D 314

Patent

active

045928061

ABSTRACT:
The invention relates to a process for the production of grade AA methanol by distilling raw methanol in several distillation stages, for separating grade AA methanol, tail gas, and fusel oil from the raw methanol and further processing the fusel oil to produce additional methanol of grade AA quality at a return ratio of 5:1 or higher.

REFERENCES:
patent: 3230156 (1966-01-01), Katzen
patent: 3391064 (1968-07-01), Akell
patent: 3406100 (1968-10-01), Karafian
patent: 3434937 (1969-03-01), Elliot et al.
patent: 3442770 (1969-05-01), Wentworth et al.
patent: 3884770 (1975-05-01), Misselhorn
patent: 4013521 (1977-03-01), Scott
patent: 4210495 (1980-07-01), Pinto

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