Process for the purification of dimethylether by distillation

Details Process for the purification of dimethylether by distillation Process for the purification of dimethylether by distillation

1986-11-20

1989-02-07

Bascomb, Wilbur

Distillation: processes, separatory

With disparate physical separation

Utilizing liquid sorption of component from gas or vapor

203 71, 203 75, 203 80, 203 82, 203DIG19, 568698, 568699, B01D 314, C07C 4142

Patent

active

048029564

ABSTRACT:
The instant invention relates to a process for the purification of dimethylether, which contains impurities, by feeding a mixture which contains the dimethylether at specific trays to a distillation column and withdrawal of the dimethylether and of impurities at specific trays of the same column.

REFERENCES:
patent: 2443906 (1948-06-01), Guinot et al.
patent: 2497601 (1950-02-01), Guinot
patent: 3356590 (1967-12-01), Johnson
patent: 3847756 (1974-11-01), Statman et al.
patent: 4260813 (1981-04-01), Kametaka et al.
patent: 4560807 (1985-12-01), Murai et al.

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