Integrated system for extraction of crude alcohol and co-convers

Details Integrated system for extraction of crude alcohol and co-convers Integrated system for extraction of crude alcohol and co-convers

1989-02-09

1991-11-12

Johnston, Jill

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Including heat exchanger for reaction chamber or reactants...

202152, 203DIG6, 422187, 422189, 422256, B01J 804

Patent

active

050646230

ABSTRACT:
An improved reactor system reacts crude aqueous methanol feedstock with iso-olefinic hydrocarbons to produce C.sub.5.sup.+ methyl t-alkyl ethers. The system includes an extractor for contacting the aqueous methanol feedstock with a liquid hydrocarbon extraction solvent rich in C.sub.4.sup.+ isoalkene. Both an organic extract phase and an aqueous methanol raffinate phase recovered from the extractor and fed to a primary reactor. This primary reactors reacts the methanol and C.sub.4.sup.+ isoalkene from the organic extract phase under catalytic conditions to produce an ether product. The ether product is fed to an etherification effluent fractionator to separate the ether product from unreacted methanol and C.sub.4.sup.+ isoalkene. A secondary reactor then converts methanol from the aqueous methanol raffinate phase with the unreacted methanol and C.sub.4.sup.+ isolakene to produce hydrocarbons.

REFERENCES:
patent: 4560537 (1985-12-01), Tabak

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