发明名称 |
PROCESSO PARA PURIFICAR GLICEROL BRUTO |
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 |
BR8904007(A) |
申请公布日期 |
1990.03.20 |
申请号 |
BR19898904007 |
申请日期 |
1989.08.09 |
申请人 |
UNILEVER N.V. |
发明人 |
THOMAS BUENEMANN;JOHANNES CORNELIS;PIETRO GAMBA;ALDO RAMPI |
分类号 |
B01D61/14;C07C29/76;C07C31/22;(IPC1-7):C11B3/16 |
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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