| 发明名称 |
Antifoam/defoamer compositions for Bayer process |
| 摘要 |
A method for defoaming a Bayer process liquor, the method comprising the steps of adding to the Bayer process liquor an effective amount of an antifoam/defoamer composition comprising a polyether surfactant and a polyhydric alcohol fatty acid ester.
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| 申请公布号 |
US5346511(A) |
申请公布日期 |
1994.09.13 |
| 申请号 |
US19930030745 |
申请日期 |
1993.03.12 |
| 申请人 |
NALCO CHEMICAL COMPANY |
发明人 |
DIMAS, PETER A.;SVARZ JAMES J |
| 分类号 |
B01J19/00;C01F7/06;C01F7/14;(IPC1-7):B01J19/00;C01F7/04;C01F7/08 |
主分类号 |
B01J19/00 |
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