Purifying ethyl tetrahydrofurfuryl ether by aqueous salt extract

Details Purifying ethyl tetrahydrofurfuryl ether by aqueous salt extract Purifying ethyl tetrahydrofurfuryl ether by aqueous salt extract

1981-01-15

1981-12-15

Raymond, Richard

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D30712

Patent

active

043058787

ABSTRACT:
Mixtures including ethyl tetrahydrofurfuryl ether (ETFE), tetrahydrofurfuryl alcohol (THFA), ethanol and water, and usually also an ethyl halide, are extracted with an aqueous solution of an alkali metal or alkaline earth metal chloride salt until THFA/ETFE ratios below 0.01 or 0.001 are achieved. Thereby THFA and ethanol, each of which are difficult to separate from ETFE by distillation, are removed.

REFERENCES:
patent: 2153135 (1939-04-01), Dickey et al.
patent: 3940502 (1976-02-01), Winter

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