Distillation: processes – separatory – With disparate physical separation – Utilizing liquid-liquid extracting of distillation product
Patent
1978-01-18
1979-03-13
Bascomb, Jr., Wilbur L.
Distillation: processes, separatory
With disparate physical separation
Utilizing liquid-liquid extracting of distillation product
203 71, 203 81, 203DIG19, 568699, C07C 4112, B01D 336
Patent
active
041441389
ABSTRACT:
Methyl tertiary butyl ether may be recovered from etherification reaction effluent by azeotropic distillation to recover methanol-ether azeotrope overhead which is water-washed to give pure ether raffinate plus ether-methanol bottoms, the latter being azeotropically distilled to yield ether-methanol overhead which is recycled to water-washing.
REFERENCES:
patent: 2581789 (1952-01-01), Forman
patent: 3940450 (1976-02-01), Lee
patent: 3979461 (1976-09-01), Ancillotti et al.
patent: 4071567 (1978-01-01), Ancillotti et al.
Herbstman Sheldon
Rao Babu Y.
Riordan Michael D.
Bascomb, Jr. Wilbur L.
Ries Carl G.
Seutter Carl G.
Texaco Inc.
Whaley Thomas H.
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