| 发明名称 |
PROCESS FOR REMOVING ARSENIC FROM AQUEOUS STREAMS |
| 摘要 |
<p>A composition, comprising: (a) an oxidizing agent comprising cerium having a cerium oxidation state of +4 to oxidize arsenic having a +3 oxidation state to arsenic having a +5 oxidation state; and (b) a rare earth-containing precipitating agent comprising a rare earth having a rare earth oxidation state of +3 to precipitate, from an aqueous solution, the arsenic in the +5 oxidation state.</p> |
| 申请公布号 |
EP1590299(A1) |
申请公布日期 |
2005.11.02 |
| 申请号 |
EP20040706074 |
申请日期 |
2004.01.28 |
| 申请人 |
UNION OIL COMPANY OF CALIFORNIA |
发明人 |
WITHAM, RICHARD, D.;MCNEW, EDWARD, B.;BURBA, JOHN, L., III |
| 分类号 |
C02F1/28;C02F1/52;C02F1/62;C02F1/72;(IPC1-7):C02F1/28 |
主分类号 |
C02F1/28 |
| 代理机构 |
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| 地址 |
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