Title:
METHOD FOR PRODUCING ALDEHYDE, METHOD FOR PRODUCING ALCOHOL, AND CATALYST COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2023/112762
Kind Code:
A1
Abstract:
Provided is a method for producing an aldehyde, comprising causing an olefin to undergo a hydroformylation reaction, in the presence of a catalyst, with a gas which contains hydrogen and carbon monoxide, said method comprising extracting, from a reaction band, part or all of a reaction solution in which a high-boiling-point by-product has been accumulated, mixing a poor solvent for the catalyst into the extracted reaction solution in a mixing tank, precipitating aggregates which contain the catalyst and the high-boiling-point by-product, depositing the precipitated aggregates on the inner surface of the mixing tank, and recovering the aggregates.
Inventors:
MIYAKE MASASHI (JP)
SATO TAKASHI (JP)
SATO TAKASHI (JP)
Application Number:
PCT/JP2022/044805
Publication Date:
June 22, 2023
Filing Date:
December 06, 2022
Export Citation:
Assignee:
MITSUBISHI CHEM CORP (JP)
International Classes:
C07B61/00; C07C45/50; C07C47/02
Domestic Patent References:
| WO2019098242A1 | 2019-05-23 | |||
| WO2005049202A1 | 2005-06-02 |
Foreign References:
| JPS57122948A | 1982-07-31 | |||
| JP2001114794A | 2001-04-24 | |||
| JP2006151890A | 2006-06-15 | |||
| JPS55159841A | 1980-12-12 | |||
| JPH08337550A | 1996-12-24 | |||
| JP2013147445A | 2013-08-01 |
Attorney, Agent or Firm:
SHIGENO, Tsuyoshi et al. (JP)
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