| 发明名称 |
FOERFARANDE OCH FOERENING FOER UTVINNING AV JAERNMINERAL FRAAN JAERNMALMER MEDELST SKUMFLOTATION |
| 摘要 |
<p>A process and composition are provided for the froth flotation beneficiation of iron minerals from iron ores containing silicate and phosphate minerals, comprising as collectors a combination of a primary amine and a nitrogen compound containing an anionic group selected from methylene carboxylic acid, ethylene phosphoric acid and methylene phosphonic acid.</p> |
| 申请公布号 |
SE464745(B) |
申请公布日期 |
1991.06.10 |
| 申请号 |
SE19860000565 |
申请日期 |
1986.02.10 |
| 申请人 |
BEROL KEMI AB |
发明人 |
M * HELLSTEN;M * ERNSTSSON;B * IDSTROEM |
| 分类号 |
B03D1/01;B03D1/014;B03D1/02;(IPC1-7):03D1/004;03D1/06;07F9/09 |
主分类号 |
B03D1/01 |
| 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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