Method for enhancing the yield of tertiary butyl alcohol in a te

Details Method for enhancing the yield of tertiary butyl alcohol in a te Method for enhancing the yield of tertiary butyl alcohol in a te

1995-03-13

1997-06-17

Manoharan, Virginia

Distillation: processes, separatory

Plural distillations performed on same material

One a distillation under positive pressure or vacuum

203 79, 203 80, 568697, 568699, 568913, B01D 300

Patent

active

056393555

ABSTRACT:
A tertiary butyl hydroperoxide reaction product is distilled to provide a tertiary butyl alcohol distillation fraction containing tertiary butyl alcohol and a heavier fraction containing unreacted tertiary butyl hydroperoxide, and reaction by-products boiling below tertiary butyl alcohol, the tertiary butyl alcohol fraction is charged to a vacuum distillation column for separation into a vaporized overhead tertiary butyl alcohol fraction that is cooled to obtain a liquefaction product containing a minor amount of vaporized tertiary butyl alcohol and a major amount of a liquified tertiary butyl alcohol, and
the tertiary butyl alcohol vapors are dissolved in water to form an aqueous solution of tertiary butyl alcohol from which the tertiary butyl alcohol is recovered.

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patent: 5414145 (1995-05-01), Sheu et al.

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