Extractive distillation of alcohol/ether/hydrocarbon mixtures

Details Extractive distillation of alcohol/ether/hydrocarbon mixtures Extractive distillation of alcohol/ether/hydrocarbon mixtures

1991-07-19

1992-11-03

Manoharan, Virginia

Distillation: processes, separatory

Adding material to distilland except water or steam per se

Organic compound

203 58, 203 64, 203 74, 203 80, 203 81, 568699, 585857, 585860, 585865, B01D 340, C07C 4142

Patent

active

051604140

ABSTRACT:
An extractive distillation process for separation ethers (in particular methyl t-butyl ether or ethyl t-butyl ether), aliphatic hydrocarbons (in particular isobutane and/or isobutene) and alcohols (in particular methanol or ethanol) employs as solvent sulfolane(s) and/or dialkyl sulfone(s), or N-(.beta.-mercaptoalkyl)-2-pyrrolidone(s), or a mixture of N-alkyl-2-pyrrolidone(s) and either sulfolane(s) or glycol compound(s).

REFERENCES:
patent: 3366568 (1968-01-01), Eisenlohr et al.
patent: 3415742 (1968-12-01), Eisenlohr et al.
patent: 4012289 (1977-03-01), Haskell
patent: 4053369 (1977-10-01), Cines
patent: 4121978 (1978-10-01), Becuwe
patent: 4148695 (1979-04-01), Lee et al.
patent: 4401517 (1983-08-01), Lee
patent: 4459178 (1984-07-01), Berg et al.
patent: 4513153 (1985-04-01), Sandrin
patent: 4661209 (1987-04-01), Berg
patent: 4676874 (1987-06-01), Berg et al.
patent: 4735690 (1988-04-01), Berg et al.
patent: 4921581 (1990-05-01), Lee et al.
patent: 4944849 (1990-07-01), Lee
patent: 4948470 (1990-08-01), Lee
patent: 4948472 (1990-08-01), Lee et al.
patent: 4954224 (1990-09-01), Brown et al.
patent: 4955468 (1990-09-01), Lee
patent: 5032232 (1991-07-01), Lee et al.

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