| 发明名称 | Depressants for mineral ore flotation | ||
| 摘要 | Depressants comprising one or more types of polysaccharides comprising one or more types of pentosan units are provided. Also disclosed are processes for enriching a desired mineral from an ore comprising the desired mineral and gangue, wherein the process comprises carrying out a flotation process in the presence of one or more collecting agents and one or more of the depressants. | ||
| 申请公布号 | US9421556(B2) | 申请公布日期 | 2016.08.23 |
| 申请号 | US201514671168 | 申请日期 | 2015.03.27 |
| 申请人 | Kemira Oyj | 发明人 | Moreira Da Costa Marcelo;Langsch Jorge Eduardo;Morais Paulo Henrique;Moore Lucas |
| 分类号 | B03D1/016;B03D1/02;B03D1/012 | 主分类号 | B03D1/016 |
| 代理机构 | King & Spalding | 代理人 | King & Spalding |
| 主权项 | 1. A composition comprising: a depressant comprising one or more types of polysaccharides comprising one or more types of pentosan units, wherein the one or more types of polysaccharides are derived from corn, corn fiber residue or corn-plant cell walls; an iron-containing mineral; and a solvent. | ||
| 地址 | Helsinki FI | ||