Process for the production of pure dimethylether

Details Process for the production of pure dimethylether Process for the production of pure dimethylether

C - Chemistry, Metallurgy

07

C

260/648.5

C07C 41/09 (2006.01) C07C 41/42 (2006.01) C07C 43/04 (2006.01)

Patent

CA 1322767

Wesseling, 27.10.1987 NL/Dr.H?-Me -2115- Unser Zeichen: UK 372/373 A process for the production of pure dimethylether Abstract of the disclosure This invention relates to a process for the production of pure dimethylether by catalytic dehydration of methanol in the presence of a ?-Al2O3-catalyst which preferably con- tains a small quantity of SiO2 and purification of the de- hydration product by feeding it at definite trays of the column into a distillation Column for the production of pure dimethylether and withdrawal of pure dimethylether as a side - stream and withdrawal of contaminations as a sidestream at definite trays of the same column.

551972

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