Process for the separation of dimethyl ether and chloromethane i

Details Process for the separation of dimethyl ether and chloromethane i Process for the separation of dimethyl ether and chloromethane i

1997-06-23

1999-03-16

Manoharan, Virginia

Distillation: processes, separatory

Distilling to separate or remove only water

From organic compound

203 23, 203 51, 203 59, 203 60, 203 61, 203 62, 203 63, 203 64, 203 66, 203 67, 203 68, 203 69, 203 70, 203 78, 203 79, 203 80, 203DIG8, 568699, 570262, B01D 340, C07C 4142, C07C 17386

Patent

active

058824855

ABSTRACT:
A process for the separation of dimethyl ether and chloromethane in mixtures
A process for the separation of dimethyl ether and chloromethane in mixtures by two distillation steps. In the first step, the mixture is subjected to an extractive distillation with water, aqueous salt solutions or organic liquids as extractant, the top product being chloromethane. In the second step, the dimethyl ether is separated from the extractant.

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