发明名称 |
SURFACE -TREATED CALCIUM CARBONATE AND ITS USE IN WATER PURIFICATION AND FOR THE DEWATERING OF SLUDGES AND SEDIMENTS |
摘要 |
<p>The invention relates to a process for the purification of water and/or dewatering of sludges and/or sediments, to the use of a surface-treated calcium carbonate for water purification and/or dewatering of sludges and/or sediments, as well as to the use of a surface-treated calcium carbonate for reducing the amount of polymeric flocculation aids in water and/or sludges and/or sediments and to a composite material comprising a surface-treated calcium carbonate and impurities originated from different sources obtainable by said process.</p> |
申请公布号 |
WO2013064492(A1) |
申请公布日期 |
2013.05.10 |
申请号 |
WO2012EP71471 |
申请日期 |
2012.10.30 |
申请人 |
OMYA DEVELOPMENT AG |
发明人 |
GERARD, DANIEL, E.;HARTAN, HANS-GEORG;SCHOELKOPF, JOACHIM;SKOVBY, MICHAEL;GANE, PATRICK, A., C. |
分类号 |
B01J20/04;B01J20/32;C02F1/28;C02F1/56;C02F1/66;C02F11/14;C02F103/28 |
主分类号 |
B01J20/04 |
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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