Title:
精製メチオニンの製造方法及びメチオニンの固結防止方法
Document Type and Number:
Japanese Patent JP7181199
Kind Code:
B2
Abstract:
The present invention addresses the problem of providing a method for producing purified methionine, the method being capable of preventing the caking of methionine. The present invention pertains to a method for producing purified methionine from crude methionine, the method comprising (1) a step for obtaining a wet cake of washed crude methionine, (2) a step for adjusting the pH of the wet cake, and (3) a step for drying the wet cake after the pH adjustment, wherein the pH of the wet cake after the pH adjustment is 5.2-6.1.
More Like This:
Inventors:
Yoshiyuki Koizumi
Naoya Yamashiro
Rei Morimoto
Naoya Yamashiro
Rei Morimoto
Application Number:
JP2019530583A
Publication Date:
November 30, 2022
Filing Date:
July 19, 2018
Export Citation:
Assignee:
Sumitomo Chemical Co., Ltd.
International Classes:
C07C319/28; C07C323/58
Domestic Patent References:
| JP2000143617A | ||||
| JP2006070024A | ||||
| JP49086320A | ||||
| JP2012201672A |
Foreign References:
| WO2017000867A1 | ||||
| WO2013129405A1 | ||||
| US2443391 |
Attorney, Agent or Firm:
Yamato Kento
Kenichi Morizumi
Kenichi Morizumi