Process for the purifying distillation of crude sec-butyl alcoho

Details Process for the purifying distillation of crude sec-butyl alcoho Process for the purifying distillation of crude sec-butyl alcoho

1988-08-19

1990-02-20

Bascomb, Wilbur

Distillation: processes, separatory

Including addition of water or steam

To distillation column

203 2, 203 18, 203 39, 203 46, 203 83, 203 85, 203 97, 568895, 568913, B01D 336, C07C 2982

Patent

active

049023853

ABSTRACT:
Practically anhydrous crude sec-butyl alcohol produced by catalytic direct hydration of n-butenes is freed by means of water from the azeotropically boiling and low-boiling by-products by continuous azeotropic distillation in a separation column, the prepurified anhydrous sec-butyl alcohol obtained is withdrawn and the high-boiling by-products are subsequently separated in a separate column.

REFERENCES:
patent: 2788315 (1957-04-01), Morrell et al.
patent: 2875138 (1959-02-01), Altreuter et al.
patent: 2915462 (1959-12-01), Salmon
patent: 3303108 (1967-02-01), Rauch et al.
patent: 3528891 (1970-09-01), Rauch et al.

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