Reaction extraction of alkyl carbonate

Details Reaction extraction of alkyl carbonate Reaction extraction of alkyl carbonate

1995-05-19

1996-02-06

Richter, Johann

Organic compounds -- part of the class 532-570 series

Organic compounds

Carbonate esters

C07C 6806

Patent

active

054897033

ABSTRACT:
An extraction reaction process is provided for reacting feedstocks comprising alkylene carbonate and alkanol to form reaction products comprising alkyl carbonate. The process comprises reacting the feedstocks comprising alkylene carbonate and alkanol in a reaction zone at reaction conditions for producing the reaction products comprising alkyl carbonate. The feedstocks comprising alkylene carbonate and alkanol and the reaction products comprising alkyl carbonate are, substantially concurrently with the reacting step and within the reaction zone, contacted with a selective solvent selective for extracting alkyl carbonate from the reaction zone. The selective solvent comprises a distribution coefficient with respect to the alkyl carbonate that is substantially different than the distribution coefficient of the selective solvent with respect to the alkanol.

REFERENCES:
patent: 3642858 (1972-02-01), Frevel et al.
patent: 4661609 (1987-04-01), Knifton
patent: 4691041 (1987-09-01), Duranleau et al.
patent: 4734518 (1988-03-01), Knifton
patent: 5231212 (1993-07-01), Buysch et al.

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