Experimental Study on Flotation Performance of a Novelfatty Acid Collector

CUI Rui; DENG Xiaolong

doi:10.13779/j.cnki.issn1001-0076.2018.05.032

2018 Vol. 38, No. 6

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CUI Rui, DENG Xiaolong. Experimental Study on Flotation Performance of a Novelfatty Acid Collector[J]. Conservation and Utilization of Mineral Resources, 2018, (6): 46-50. doi: 10.13779/j.cnki.issn1001-0076.2018.05.032

Citation:

CUI Rui, DENG Xiaolong. Experimental Study on Flotation Performance of a Novelfatty Acid Collector[J]. Conservation and Utilization of Mineral Resources, 2018, (6): 46-50. doi: 10.13779/j.cnki.issn1001-0076.2018.05.032

Experimental Study on Flotation Performance of a Novelfatty Acid Collector

CUI Rui^1,2,
DENG Xiaolong^1,2

1.
College of resources and environmental engineering, Wuhan University of Science and Technology, Wuhan 430081, China
2.
Hubei Key Laboratory for Efficient Utilization and Agglomeration of Metallurgic Mineral Resources, Wuhan 430081, China

Received Date: 10 May 2018

Publish Date: 25 December 2018

Abstract

Abstract

A novel fatty carboxylic acid collector, CM-5, was prepared by the modification of the reagent structure. The flotation experiments of quartz, chlorite and hematite were carried out under the flotation system of pH regulator, starch, CaCl₂, CM-5 or sodium oleate. The results show that CM-5 has better selective effect on chlorite after the action of starch and CaCl₂ than that of sodium oleate under high alkali condition, and it has less effect on hematite under the same conditions. The temperature experiment shows that CM-5 has good selective collecting efficiency in the range of 15~35 ℃. The results of Zeta potential determination show that under the condition of pH=11.5, the adsorption of CM-5 will decrease the zeta potential of chlorite and hematite by 15 mV and 10 mV. Under the same condition, the adsorption of sodium oleate will decrease the zeta potential of chlorite and hematite by 8 mV and 11 mV. It explains that CM-5 can selectively adsorb on the chlorite. Comprehensive analysis, CM-5 can be used as an efficient reverse flotation collector for iron ore.
- iron ore /
- reverse flotation /
- collector /
- low temperature resistance /
- quartz /
- chlorite

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