| 摘要 |
<p>D 9130 A process for the recovery of minerals from non-sulfidic ores by flotation Esters of dicarboxylic acids with fatty acid monoalkanolamides, optionally in admixture with other anionic or nonionic surfactants, are suitable as collectors for the flotation of non-sulfidic ores, more particularly apatite.</p> |
