Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Patent
1980-02-25
1981-12-22
Mars, Howard T.
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
203DIG6, C07C 4105
Patent
active
043072542
ABSTRACT:
A method for conducting chemical reactions and fractionation of the reaction mixture comprising feeding reactants to a distillation column reactor into a feed zone and concurrently contacting the reactants with a fixed bed catalytic packing to concurrently carry out the reaction and fractionate the reaction mixture. For example, a method for preparing methyl tertiary butyl ether in high purity from a mixed feed stream of isobutene and normal butene comprising feeding the mixed feed stream to a distillation column reactor into a feed zone at the lower end of a distillation reaction zone, and methanol into the upper end of said distillation reaction zone, which is packed with a properly supported cationic ion exchange resin, contacting the C.sub.4 feed and methanol with the catalytic distillation packing to react methanol and isobutene, and concurrently fractionating the ether from the column below the catalytic zone and removing normal butene overhead above the catalytic zone.
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Scheeline et al., SRI Report, Process Economics Review, "Methyl Tertiary Butyl Ether", Dec. 1978.
Chemical Research & Licensing Company
Johnson Kenneth H.
Mars Howard T.
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