发明名称 |
Process of using roll press grinding aid for granulated blast furnace slag |
摘要 |
A grinding aid and an enhanced roll press method of grinding granulated blast-furnace slag by treating the slag feed of the roll press with from about 0.002 to 0.2 weight percent of polyacrylic acid or its alkali metal salt in combination with up to about 4 weight percent water.
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申请公布号 |
US5720796(A) |
申请公布日期 |
1998.02.24 |
申请号 |
US19950512732 |
申请日期 |
1995.08.08 |
申请人 |
W. R. GRACE & CO.-CONN. |
发明人 |
CHEUNG, JOSEPHINE HO-WAH;GAIDIS, JAMES MICHAEL |
分类号 |
B02C4/00;B02C23/06;C04B5/00;C04B18/14;C04B24/26;(IPC1-7):C22B7/04 |
主分类号 |
B02C4/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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