发明名称 |
FROTH FLOTATION PROCESS OF PHOSPHATE CONTAINING MINERALS AND COMPOUND |
摘要 |
<p>A process for the froth flotation of calcium phosphatecontaining minerals is provided which comprises carrying out the flotation in the presence of an amphoteric flotation agent having the general formula: wherein: R is a hydrocarbon group having from about seven to about twenty-four carbon atoms; A is an oxyalkylene group having from two to about four carbon atoms; R1 is selected from the group consisting of hydrogen and hydrocarbon groups having from one to about four carbon atoms; Y-is selected from the group consisting of COO- and SO3-; n is a number from 0 to 1; p is a number from 0 to 5; q is a number from 1 to 2; and salts thereof.</p> |
申请公布号 |
IN150769(B) |
申请公布日期 |
1982.12.11 |
申请号 |
IN1979CA18619 |
申请日期 |
1979.03.01 |
申请人 |
BEROL KEMI AB |
发明人 |
HELLSTEN K;KLINGBERG A |
分类号 |
B03B;B03B1/04;B03D;B03D1/00;B03D1/02;B03D1/06;C01B25/01;C07C61/00;C11D1/88;(IPC1-7):B03D1/00 |
主分类号 |
B03B |
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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