| 发明名称 |
Method of clarifying phosphoric acid |
| 摘要 |
A method for clarifying phosphoric acid by flocculation or coagulation of solids wherein an effective amount of a carboxylic-type polymer having a portion of sulfonic functionality is used as the clarification aid. Preferred polymers are high molecular weight acrylic acid/acrylamido methylpropyl sulfonic acid-type polymers.
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| 申请公布号 |
US5318707(A) |
申请公布日期 |
1994.06.07 |
| 申请号 |
US19920936462 |
申请日期 |
1992.08.28 |
| 申请人 |
CALGON CORPORATION |
发明人 |
REY, PAUL A.;HUNTER, WOOD E. |
| 分类号 |
B01D21/01;C01B25/235;(IPC1-7):B01D21/01 |
主分类号 |
B01D21/01 |
| 代理机构 |
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