Title:
不純物の除去を伴うシクロヘキサノン生産プロセス
Document Type and Number:
Japanese Patent JP2011506545
Kind Code:
A
Abstract:
The present invention relates to a method for preparing cyclohexanone from phenol in a first process, the first process being a cyclohexanone production process comprising hydrogenating phenol to form a product stream comprising cyclohexanone, phenol and side-products (RSP), including cyclohexanol and undesirable side-product; separating at least part of the product stream having a lower boiling point than cyclohexanone have been removed, into a first fraction comprising cyclohexanone and a second fraction comprising phenol, cyclohexanol and RSP, using distillation; and separating the second fraction into a third fraction, rich in cyclohexanol and comprising RSP, and a fourth fraction, rich in phenol and comprising RSP, using distillation. The invention further relates to an installation for carrying out a method of the invention.
Inventors:
Parton, Rudy, Francois, Maria, Joseph
Tinge, johan, thomas
Tinge, johan, thomas
Application Number:
JP2010538652A
Publication Date:
March 03, 2011
Filing Date:
December 16, 2008
Export Citation:
Assignee:
DSM IP ASSETS B.V.
International Classes:
C07C45/00; C07C29/48; C07C35/08; C07C45/27; C07C45/28; C07C45/82; C07C49/403; C07C51/245; C07C55/14; B01J23/42; B01J23/44; C07B61/00
Domestic Patent References:
| JP2011506546A | 2011-03-03 | |||
| JP2011506547A | 2011-03-03 |
Foreign References:
| US4306944A | 1981-12-22 |
Attorney, Agent or Firm:
Yuichi Yamada
Masakazu Noda
Yoshinori Shimizu
Ikeda adult
Masakazu Noda
Yoshinori Shimizu
Ikeda adult