Process for preparing glycol dimethyl ethers

Details Process for preparing glycol dimethyl ethers Process for preparing glycol dimethyl ethers

C - Chemistry, Metallurgy

07

C

260/647.5

C07C 43/11 (2006.01) B01J 23/72 (2006.01) B01J 23/74 (2006.01) C07C 43/10 (2006.01)

Patent

CA 1058225

PROCESS FOR PREPARING GLYCOL DIMETHYL ETHERS Abstract of the Disclosure: Glycol dimethyl ethers of the formula CH30(CH2CH20)nCH3, wherein n is an integer of from 1 to 8 are prepared by reacting the corresponding glycol monomethyl ethers with hydrogen under a pressure of 30 to 300 bars and at a temperatl1re of 50 to 250°C in the presence of cata1ysts comprising silicon dioxide and aluminium oxide or oxides of rare earths or mixtures thereof and containing additionally nickel, cobalt and copper.

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