| 发明名称 |
USE OF POLYMERS IN ALUMINA PRECIPITATION IN THE BAYER PROCESS OF BAUXITE BENEFICIATION |
| 摘要 |
<p>The negative effects of sodium oxalate on the crystallization of aluminum trihydrate from Bayer process liquors may be eliminated or curtailed by adding an effective amount of a polyacrylic acid, with a molecular weight about 1,000,000 and containing at least 50 mole percent acrylic acid monomer, to pregnant Bayer process liquors.</p> |
| 申请公布号 |
CA1232118(A) |
申请公布日期 |
1988.02.02 |
| 申请号 |
CA19860504858 |
申请日期 |
1986.03.24 |
| 申请人 |
NALCO CHEMICAL COMPANY |
发明人 |
ROE, WILLIAM J.;PERISHO, JACQUELINE L. |
| 分类号 |
C01F7/14;C01F7/47;(IPC1-7):C22B21/04;C01F7/36 |
主分类号 |
C01F7/14 |
| 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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