关键词:  新型阴离子捕收剂MG-2, 捕收性能, 石英, 反浮选, 耐低温性

Abstract: Modified anionic collector MG-2 is a new peroxide hydroxyl collector which is synthesized with fatty acids as raw material. In the flotation tests on single mineral, the collecting performance of MG-2 on quartz is investigated, which are compared with the original fatty acids. The test results show that the collecting performance of MG-2 is superior to the original fatty acids. And its collecting ability is increased with the increase of oxidation value P and meanwhile its low temperature resistance performance is greatly improved, compared with the original fatty acids. The infrared spectrum analysis shows that MG-2 has a chemical adsorption in quartz surface.

Key words: New-type MG-2 anionic collector, Collecting performance, Quartz, Reverse flotation, Low temperature resistance performance