发明授权
- 专利标题: Sludge quality
- 专利标题(中): 污泥质量
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申请号: US11630604申请日: 2005-06-21
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公开(公告)号: US07638055B2公开(公告)日: 2009-12-29
- 发明人: Yvette Pescher , Robert Talbot , Luc Louvel , Agnes Pilas-Begue
- 申请人: Yvette Pescher , Robert Talbot , Luc Louvel , Agnes Pilas-Begue
- 申请人地址: FR Aubervilliers
- 专利权人: Rhodia Operations
- 当前专利权人: Rhodia Operations
- 当前专利权人地址: FR Aubervilliers
- 代理机构: Buchanan, Ingersoll & Rooney P.C.
- 优先权: WOPCT/GB2004/002656 20040621; GB0427692.9 20041217
- 国际申请: PCT/GB2005/002439 WO 20050621
- 国际公布: WO2005/123607 WO 20051229
- 主分类号: C02F3/02
- IPC分类号: C02F3/02 ; C02F11/16
摘要:
The invention provides the use of an effective amount of a non-oxidizing water-soluble biocide in the improvement of sludge quality by reducing the sludge tendency towards bulking, wherein the biocide comprises an alkyl-substituted phosphonium compound, an alkyl-substituted phosphine, an alkyl-substituted phosphine condensate, or a polymeric quaternary ammonium compound.
公开/授权文献
- US20080135476A1 Sludge Quality 公开/授权日:2008-06-12
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