发明名称 |
Process for purifying crude glycerol. |
摘要 |
<p>The invention provides a process for purifying crude glycerol such as splitters crude, soaplye crude and methanolysis crude which comprises a microfiltration step over a filter material on a ceramic support preferably comprising alumina. Preferably the filter material comprises zirconia and/or alumina. Preferably the process further comprises the step of distillation and/or treatment with ion exchange resins. Also the process may involve a combination of microfiltration and ultrafiltration.</p> |
申请公布号 |
EP0358255(A1) |
申请公布日期 |
1990.03.14 |
申请号 |
EP19890202064 |
申请日期 |
1989.08.09 |
申请人 |
UNICHEMA CHEMIE B.V.;UNICHEMA CHEMICALS LTD.;UNILEVER N.V. |
发明人 |
BUENEMANN, THOMAS;OUDEJANS, JOHANNES CORNELIS;GAMBA, PIETRO;RAMPI, ALDO |
分类号 |
B01D61/14;C07C29/76;C07C31/22 |
主分类号 |
B01D61/14 |
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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