发明名称 |
Improved carboxylic acid purification and crystallization process. |
摘要 |
<p>A process for preparing a carboxylic acid of high purity comprises preparing an undersaturated solution of a salt of the carboxylic acid; subjecting the undersaturated salt solution to water-splitting electrodialysis to form base and a supersaturated solution of the carboxylic acid; and, then crystallizing the carboxylic acid from the supersaturated solution. In the preferred embodiment, the undersaturated solution is a fermentation broth containing sodium succinate and sodium acetate and the carboxylic acid obtained is succinic acid.</p> |
申请公布号 |
EP0410728(A1) |
申请公布日期 |
1991.01.30 |
申请号 |
EP19900308162 |
申请日期 |
1990.07.25 |
申请人 |
MICHIGAN BIOTECHNOLOGY INSTITUTE |
发明人 |
BERGLUND, KRIS A.;ELANKOVAN, PONNAMPALAM;GLASSNER, DAVID A. |
分类号 |
C07C51/43;C12P7/46;C07C7/14;C07C51/42;C07C55/10 |
主分类号 |
C07C51/43 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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