Title:
酢酸ビニル及び酢酸エチルの共製造
Document Type and Number:
Japanese Patent JP2008520564
Kind Code:
A
Abstract:
A method of co-producing vinyl acetate and ethyl acetate includes: (a) reacting ethylene, acetic acid and oxygen to form vinyl acetate and at least a minor amount of ethyl acetate; (b) providing a crude product stream containing the vinyl acetate and ethyl acetate of step (a) and acetic acid to a distillation tower; (c) separating the crude product stream into: (i) a vinyl acetate product stream enriched in vinyl acetate with respect to the crude product stream; (ii) an acid recycle stream enriched in acetic acid with respect to the crude product stream; (iii) a mixed sidestream containing vinyl acetate and ethyl acetate, the mixed sidestream being enriched in ethyl acetate with respect to the vinyl acetate product stream; and (d) hydrogenating vinyl acetate in the mixed sidestream to provide an ethyl acetate product stream.
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Inventors:
Warner, JR
Torres, Alfonso Jay
Torres, Alfonso Jay
Application Number:
JP2007541210A
Publication Date:
June 19, 2008
Filing Date:
October 21, 2005
Export Citation:
Assignee:
Celanese International Corporation
International Classes:
C07C67/05; C07C67/04; C07C67/283; C07C67/54; C07C69/14; C07C69/15; C07B61/00
Domestic Patent References:
| JPS5037691A | 1975-04-08 | |||
| JPS5839643A | 1983-03-08 | |||
| JPH11349534A | 1999-12-21 | |||
| JP2000119219A | 2000-04-25 |
Foreign References:
| WO2000064852A1 | 2000-11-02 |
Attorney, Agent or Firm:
Kazuo Shamoto
Shinjiro Ono
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Takako Koiso
Shinjiro Ono
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Takako Koiso