Acetonitrile extractive distillation solvent for c-5...

Details Acetonitrile extractive distillation solvent for c-5... Acetonitrile extractive distillation solvent for c-5...

B - Operations, Transporting

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B01D 3/40 (2006.01) C07C 7/08 (2006.01) C10G 21/12 (2006.01) C10G 21/20 (2006.01)

Patent

CA 1109415

IMPROVED ACETONITRILE EXTRACTIVE DISTILLATION, C-5'S ABSTRACT OF THE DISCLOSURE In the extractive distillation of C5 hydrocarbons with different degrees of unsaturation using acetonitrile, an increase in the selectivity of acetonitrile is obtained when also using with acetonitrile small amounts of at least one compound selected from the group consisting of dimethylformamide, dimethylsulfoxide, morpholine, furfural, N-methylpyrrolidone, 3-methoxypropionitrile, gamma-buty- rolactone, ethylene glycol monomethyl ether, diethylene glycol monomethyl ether, ethylene glycol monoethyl ether, and diethylene glycol monoethyl ether. -1-

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