| 发明名称 |
Process for the microwave beneficiation of discolored kaolin clay materials |
| 摘要 |
Kaolin clay materials containing discoloring impurities can be beneficiated by microwave irradiation in the presence of water and a polyprotic acid component to produce a beneficiated kaolin clay material having improved color and brightness.
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| 申请公布号 |
US5830818(A) |
申请公布日期 |
1998.11.03 |
| 申请号 |
US19970839036 |
申请日期 |
1997.04.23 |
| 申请人 |
THIELE KAOLIN COMPANY |
发明人 |
BRUNS, JEFFREY C.;KOGEL, JESSICA E.;LEWIS, SUSAN A. |
| 分类号 |
C09C1/42;(IPC1-7):B03B1/02;B03B1/04;B03B5/00 |
主分类号 |
C09C1/42 |
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