发明名称 |
PROCESS FOR PRODUCING GLYCOLIC ACID |
摘要 |
Glycolic acid having a high purity is obtained by subjecting glycolic acid or a glycolic acid solution containing contaminants to double-chamber electrodialysis combined with one or more treatments selected from among treatment with an activated carbon, treatment with an ion exchange resin, concentration treatment and cooling crystallization. |
申请公布号 |
EP1947079(A4) |
申请公布日期 |
2014.12.10 |
申请号 |
EP20060832393 |
申请日期 |
2006.10.26 |
申请人 |
MITSUI CHEMICALS, INC. |
发明人 |
OKAZAKI, SHINYA;MATOISHI, KAORI;ITOU, KIYOSHI |
分类号 |
C07C51/47;B01D61/44;C07C59/06;C08G63/06;C12P7/42 |
主分类号 |
C07C51/47 |
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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