Title:
タウリン母液の不純物の除去及びタウリン母液の回収の方法及びそのシステム
Document Type and Number:
Japanese Patent JP7041725
Kind Code:
B2
Abstract:
This invention discloses a method and a system for removing impurities out of taurine mother liquor and taurine mother liquor recovery, which is used for the production process of the ethylene oxide process, and the treatment of the last mother liquor of taurine , (a) the last mother liquor of taurine is ion-exchanged through anion exchange resin; then the anion exchange resin is eluted and regenerated with alkaline solution, and the outlet material liquor is collected; (b) the collected outlet material liquor is subjected to ammonia mixing treatment, and the mother liquor is generated after the impunity is removed and the separation of the solid and liquor; (c) the mother liquor generated enters the ammonia hydrolysis step. After the last mother liquor of the taurine of this invention is treated by the anion exchange resin, more impurities in the last mother liquor can be removed, and the salt is further removed by ammonia mixing treatment to generate a pure taurine mother liquor, thereby realizing the recovery of the mother liquor and improving the product yield.
Inventors:
Chen Young
Fun Kichan
Ryu Feng
Rishaobo
Fun Kichan
Ryu Feng
Rishaobo
Application Number:
JP2020146972A
Publication Date:
March 24, 2022
Filing Date:
September 01, 2020
Export Citation:
Assignee:
Chen Jiang Young An Pharmaceutical Company Limited
International Classes:
C07C303/44; C02F1/42; C07C309/14
Domestic Patent References:
| JP2017533883A | ||||
| JP2019001772A | ||||
| JP7206804A | ||||
| JP3188057A |
Foreign References:
| CN106699612A |
Other References:
SONG, F. et al,The effect of ionic strength on the uptake of taurine on a strong-basic anion exchange resin,Chinese Journal of Reactive Polymers,2005年,Vol.14,pp.22-27
蛯谷幸司 ほか,有価物回収技術開発試験,北海道立釧路水産試験場 平成2年度 事業報告書,1991年,pp.314-319,ISSN:0288-982X
蛯谷幸司 ほか,有価物回収技術開発試験,北海道立釧路水産試験場 平成2年度 事業報告書,1991年,pp.314-319,ISSN:0288-982X
Attorney, Agent or Firm:
Takahashi Hayashi & Partners
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