Method for purifying the tert. butyl ether from methanol

Details Method for purifying the tert. butyl ether from methanol Method for purifying the tert. butyl ether from methanol

B - Operations, Transporting

01

D

202/100

B01D 3/00 (2006.01) C07C 41/42 (2006.01) C07C 43/04 (2006.01)

Patent

CA 1108553

METHOD FOR PURIFYING THE TERT. BUTYL ETHER FROM METHANOL. ABSTRACT OF THE DISCLOSURE : A method is disclosed for stripping methanol from a stream which contains methyl tert. butyl ether. Stripping of methanol is made by distillation taking care that the percentage of methanol in the charge relative to the sum of the C4 hydrocarbons plus methanol never exceeds the value of 1 + 1/3P, the percentage of methanol being by weight and the pressure in abs. atm. Good stripping efficiencies are obtained and the necessity of dehydration steps dispensed with.

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