Tetrahydrofuran purification

Details Tetrahydrofuran purification Tetrahydrofuran purification

1989-01-30

1990-04-17

Raymond, Richard L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549509, C07D30708

Patent

active

049182048

ABSTRACT:
Purification of tetrahydrofuran from the dehydrocyclization of 1,4-butanediol in the presence of an organic acid catalyst has been accomplished by the extractive distillation of crude tetrahydrofuran containing water using monopropylene glycol as an extractive solvent.

REFERENCES:
patent: 4093633 (1978-02-01), Tanabe et al.
patent: 4665205 (1987-05-01), Yamada et al.

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