发明申请
US20140209831A1 SURFACE-REACTED CALCIUM CARBONATE AND ITS USE IN WASTE WATER TREATMENT
有权
表面反应碳酸钙及其在废水处理中的应用
- 专利标题： SURFACE-REACTED CALCIUM CARBONATE AND ITS USE IN WASTE WATER TREATMENT
- 专利标题（中）： 表面反应碳酸钙及其在废水处理中的应用
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申请号： US14231920申请日： 2014-04-01
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公开(公告)号： US20140209831A1公开(公告)日： 2014-07-31
- 发明人: Patrick A.C. Gane , Joachim Schölkopf , Daniel Gantenbein , Daniel E. Gerard
- 申请人： Patrick A.C. Gane , Joachim Schölkopf , Daniel Gantenbein , Daniel E. Gerard
- 优先权： EP07005856.5 20070321
- 主分类号： C02F1/52
- IPC分类号： C02F1/52 ; C02F1/56 ; C02F1/54
摘要：
The present invention relates to a process for the purification of water, wherein a surface-reacted natural calcium carbonate is brought into contact with the water to be purified, the surface-reacted natural calcium carbonate being the reaction product of a natural calcium carbonate with an acid and carbon dioxide, which is formed in situ by the acid treatment and/or supplied externally.
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