| 发明名称 |
Removal of propylene glycol and propylene glycol ethers from aqueous streams |
| 摘要 |
An aqueous stream containing propylene glycol and/or ethers thereof is treated by counter current liquid-liquid extraction with propylene and/or propane to separate the propylene glycol and/or ether from the aqueous stream.
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| 申请公布号 |
US2005279623(A1) |
申请公布日期 |
2005.12.22 |
| 申请号 |
US20040872693 |
申请日期 |
2004.06.21 |
| 申请人 |
SPEIDEL JOHN H |
发明人 |
SPEIDEL JOHN H. |
| 分类号 |
C02F1/26;C07D301/32;(IPC1-7):B01D3/34;C07C41/00 |
主分类号 |
C02F1/26 |
| 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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