发明名称 |
METHOD OF WATER TREATMENT |
摘要 |
A method for securing the use of an aqueous medium under any substantial exclusion of metal ion interference is disclosed. A phosphonic acid compound containing: a selected phosphonate moiety and a moiety selected from a limited number of species; or hydrocarbon chains containing aminoalkylene phosphonic acid substituents; or alkylamino alkylene phosphonic acids containing an active moiety embodying N, O, and S. The technology can, by way of illustration, be used in numerous applications including secondary oil recovery, scale inhibition, industrial water treatment, paper pulp bleaching, dispersant treatment, sequestering application, brightness reversion avoidance and paper pulp treatment. |
申请公布号 |
WO2009092738(A1) |
申请公布日期 |
2009.07.30 |
申请号 |
WO2009EP50668 |
申请日期 |
2009.01.21 |
申请人 |
THERMPHOS TRADING GMBH;NOTTE, PATRICK;JOHNSON, TESSA;DEVAUX, ALBERT |
发明人 |
NOTTE, PATRICK;JOHNSON, TESSA;DEVAUX, ALBERT |
分类号 |
C02F5/14;C02F5/12;C02F103/10;C02F103/28 |
主分类号 |
C02F5/14 |
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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