封面
声明
英文摘要
目录
CHAPTER ONE:LITERATURE REVIEW
1.1 Nickel overview
1.2 Mineralogical characteristics of copper-nickel sulfide ores
1.3 Magnesium reduction in copper-nickel sulfide ores flotation
1.4 Research purpose and significance
CHAPTER TWO:RESEARCH METHODOLOGY
2.1 Samples preparation
2.2 Equipment and agents
2.3 Methods
CHAPTER THREE:ORE MINERALOGY STUDY
3.1 Multi-element analysis of the ore
3.2 Chemical phase analysis of the ore
3.3 X-ray diffraction (XRD) analysis of the ore
3.4 Chapter summary
CHAPTER FOUR:EXPERIMENTAL STUDY
4.1 Jinchuan existing reagent regime experiments conditions
4.2 New reagent regime experimental study
4.3 Open circuit flotation experiments
4.4 Closed circuit flotation experiments
4.5 Chapter summary
CHAPTER FIVE:MECHANISM STUDY
5.1 Infrared spectroscopy (IR) analysis
5.2 Citric acid cleaning effect on copper-nickel sulfide ores surface
5.3 Chapter summary
CHAPTER SIX:CONCLUSION
参考文献
致谢
武汉理工大学;
Copper-nickel sulfide ores; citric acid; sodium hexametaphosphate; MgO reduction;