发明名称 |
METHOD FOR REGENERATING A FILTER AID |
摘要 |
<p>Methods for regenerating filter aids which comprise inorganic, natural or semisynthetic filter aids. The method comprises subjecting the filter aid to a first treatment with an aqueous alkaline solution, treating the filter aid with enzymes, treating the filter aid with a surfactant, and subjecting the filter aid a second treatment with the aqueous alkaline solution. The enzyme treatment and the surfactant treatment steps may be carried out simultaneously or in any order.</p> |
申请公布号 |
EP2136913(A1) |
申请公布日期 |
2009.12.30 |
申请号 |
EP20080717868 |
申请日期 |
2008.03.14 |
申请人 |
BASF SE |
发明人 |
MEFFERT, HELMUT;PIEROBON, MARIANNA;PETSCH, TOBIAS;BRODERSEN, JULIA;FEISE, HERMANN JOSEF;ERK, ATES;KRESS, JOERG;MAR, RALF;LACHMUTH, RALF;BAYER, ROBERT |
分类号 |
B01J20/34;B01D41/02;C12H1/04 |
主分类号 |
B01J20/34 |
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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