Continuous integrated process for producing dimethyl...

Details Continuous integrated process for producing dimethyl... Continuous integrated process for producing dimethyl...

C - Chemistry, Metallurgy

07

C

C07C 68/00 (2006.01) C07C 41/01 (2006.01) C07C 41/06 (2006.01) C07C 43/04 (2006.01) C07C 69/96 (2006.01)

Patent

CA 2066880

CASE 3405 CONTINUOUS INTEGRATED PROCESS FOR PRODUCING DIMETHYL CARBONATE AND METHYL TERT-BUTYL ETHER. ABSTRACT Dimethyl carbonate and methyl tert-butyl ether are prepared by a continuous integrated process comprising: a) feeding methanol, carbon monoxide and oxygen into a reaction environment maintained under methanol oxidative carbohylation conditions, to form a liquid reaction mixture containing dimethyl carbonate and unaltered methanol; b) at least partly eliminating the water from the reaction mixture of stage a); c) feeding the dehydrated mixture of stage b) and isobutene, or a hydrocarbon fraction containing isobutene, into a reaction environment maintained under etherification conditions, to form a liquid reaction mixture containing dimethyl carbonate and methyl tert-butyl ether; and d) recovering the dimethyl carbonate and methyl tert-butyl ether from the reaction mixture of stage c).

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