| 发明名称 |
METHOD AND COMPOSITIONS FOR REMOVING DEPOSITS FROM COOLING WATER SYSTEMS |
| 摘要 |
Methods and compositions for removing deposits from surfaces in contact with the water of a cooling water system are disclosed. The combination of a chelant, a phosphonate or phosphate compound, and a base is effective in removing clay deposits from such surfaces.
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| 申请公布号 |
CA2087199(C) |
申请公布日期 |
2003.10.14 |
| 申请号 |
CA19932087199 |
申请日期 |
1993.01.13 |
| 申请人 |
BETZ LABORATORIES, INC. |
发明人 |
FREESE, DONALD T.;POST, RAYMOND M.;POLIZZOTTI, DAVID M. |
| 分类号 |
C02F5/14;C11D7/26;C11D7/32;C11D7/36;(IPC1-7):B08B3/08 |
主分类号 |
C02F5/14 |
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