RO103274A2 - Recovery method of erythromycin from mother-waters - Google Patents
Recovery method of erythromycin from mother-watersInfo
- Publication number
- RO103274A2 RO103274A2 RO13711288A RO13711288A RO103274A2 RO 103274 A2 RO103274 A2 RO 103274A2 RO 13711288 A RO13711288 A RO 13711288A RO 13711288 A RO13711288 A RO 13711288A RO 103274 A2 RO103274 A2 RO 103274A2
- Authority
- RO
- Romania
- Prior art keywords
- erythromycin
- waters
- mother
- recovery method
- thiocyanate
- Prior art date
Links
Abstract
The process comprises treatment with a soln. of potassium thiocyanate for acidification of the mixture to pH = 5.4-5.5 by hydrochloric acid (1:1). The thiocyanate is separated, for washing with petroleum ether and drying over 3 hrs. at 40-45 deg.C and low pressure.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RO13711288A RO103274A2 (en) | 1988-12-28 | 1988-12-28 | Recovery method of erythromycin from mother-waters |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RO13711288A RO103274A2 (en) | 1988-12-28 | 1988-12-28 | Recovery method of erythromycin from mother-waters |
Publications (1)
Publication Number | Publication Date |
---|---|
RO103274A2 true RO103274A2 (en) | 1991-12-09 |
Family
ID=20123423
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RO13711288A RO103274A2 (en) | 1988-12-28 | 1988-12-28 | Recovery method of erythromycin from mother-waters |
Country Status (1)
Country | Link |
---|---|
RO (1) | RO103274A2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2341056A1 (en) * | 2008-10-29 | 2011-07-06 | Sunshine Lake Pharma Co., Ltd | Crystallizing method of erythromycin |
CN112978993A (en) * | 2021-02-25 | 2021-06-18 | 宜昌东阳光生化制药有限公司 | Method for recovering thiocyanate ions from rectification waste liquid of erythromycin thiocyanate crystallization mother liquor and application |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RO67207A2 (en) * | 1974-05-16 | 1979-01-15 | Paruri Intreprinderea De | MACHINE TO AFFECT MILL TOOLS |
-
1988
- 1988-12-28 RO RO13711288A patent/RO103274A2/en unknown
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RO67207A2 (en) * | 1974-05-16 | 1979-01-15 | Paruri Intreprinderea De | MACHINE TO AFFECT MILL TOOLS |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2341056A1 (en) * | 2008-10-29 | 2011-07-06 | Sunshine Lake Pharma Co., Ltd | Crystallizing method of erythromycin |
EP2341056A4 (en) * | 2008-10-29 | 2012-03-14 | Sunshine Lake Pharma Co Ltd | Crystallizing method of erythromycin |
CN112978993A (en) * | 2021-02-25 | 2021-06-18 | 宜昌东阳光生化制药有限公司 | Method for recovering thiocyanate ions from rectification waste liquid of erythromycin thiocyanate crystallization mother liquor and application |
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