| 发明名称 |
Recovery of glycols from used glycol-containing technical fluids. |
| 摘要 |
<p>Recovery of glycols from used glycol-contg. technical fluids comprises (a) adding an organic solvent to the glycol-contg. fluids to form an azeotropic mixt. with the glycols which has a lower b.pt. than the glycol itself; and (b) distilling off the azeotropic mixt.</p> |
| 申请公布号 |
EP0679624(A1) |
申请公布日期 |
1995.11.02 |
| 申请号 |
EP19950105323 |
申请日期 |
1995.04.08 |
| 申请人 |
BASF AKTIENGESELLSCHAFT |
发明人 |
MOHR, JUERGEN, DR.;BALZER, WOLF-DIETER, DR. |
| 分类号 |
C07C29/80;C07C29/82;C07C31/20;C09K3/00;C09K5/20;D01F13/04;(IPC1-7):C07C29/82;B01D3/36 |
主分类号 |
C07C29/80 |
| 代理机构 |
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代理人 |
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| 主权项 |
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