JPS54144314A - Recovery of lysine - Google Patents
Recovery of lysineInfo
- Publication number
- JPS54144314A JPS54144314A JP5280078A JP5280078A JPS54144314A JP S54144314 A JPS54144314 A JP S54144314A JP 5280078 A JP5280078 A JP 5280078A JP 5280078 A JP5280078 A JP 5280078A JP S54144314 A JPS54144314 A JP S54144314A
- Authority
- JP
- Japan
- Prior art keywords
- lysine
- hydrochloride
- recover
- mother liquor
- organic solvent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
PURPOSE: To recover and purify lysine useful as a food or feed additive economically, by washing crude lysine hydrochloride separated from a mother liquor with a hydrous hydrophilic organic solvent.
CONSTITUTION: An aqueous solution of lysine containing impurities, obtained by fermentation, is adjusted to pH 4 with hydrochloric acid and concentrated to crystallize lysine hydrochloride. The crude crystals are separated from the mother liquor and washed with 25W100 ml per 100g of the hydrochloride of a hydrous hydrophilic organic solvent, preferably with a concentration of 10W80 wt.%, to recover the lysine. A 1W3C primary alcohol, acetone, tetralydrofuran, or dioxane is preferably used as the solvent.
EFFECT: Easy recovery of washings without disharging a lange amount of effluent as in the ion exchange method.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5280078A JPS54144314A (en) | 1978-05-04 | 1978-05-04 | Recovery of lysine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5280078A JPS54144314A (en) | 1978-05-04 | 1978-05-04 | Recovery of lysine |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54144314A true JPS54144314A (en) | 1979-11-10 |
Family
ID=12924909
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5280078A Pending JPS54144314A (en) | 1978-05-04 | 1978-05-04 | Recovery of lysine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54144314A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104829477A (en) * | 2015-03-17 | 2015-08-12 | 无锡晶海氨基酸有限公司 | Preparation method of bulk drug of lysine acetate |
-
1978
- 1978-05-04 JP JP5280078A patent/JPS54144314A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104829477A (en) * | 2015-03-17 | 2015-08-12 | 无锡晶海氨基酸有限公司 | Preparation method of bulk drug of lysine acetate |
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