Catalytic distillation process

Details Catalytic distillation process Catalytic distillation process

1979-02-21

1980-11-04

Gantz, Delbert E.

Chemistry of hydrocarbon compounds

Plural serial diverse syntheses

To produce unsaturate

203 28, 203 29, 203 38, 203DIG6, 585329, 585515, 585639, 585954, C07C 120, C07C 1109, B01D 332

Patent

active

042321778

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 contracting 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.

REFERENCES:
patent: 2403672 (1946-07-01), Matuszak
patent: 3091586 (1963-05-01), Pappas et al.
patent: 3121124 (1964-02-01), Verdol
patent: 3634534 (1972-01-01), Haunschild
patent: 3634535 (1972-01-01), Haunschild
patent: 4100220 (1978-07-01), Bowman et al.

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