首页--工业技术论文--矿业工程论文--选矿论文--选矿流程与方法论文--浮游选矿论文

Depressing of Magnesium Silicates in Copper-nickel Sulfide Ores Flotation Using Complexing Agent-inhibitor Combination

ABSTRACT第4-5页
CHAPTER ONE: LITERATURE REVIEW第9-24页
    1.1 Nickel overview第9-14页
        1.1.1 Nickel properties第9-11页
        1.1.2 Nickel uses第11-12页
        1.1.3 Nickel ore resources第12-14页
    1.2 Mineralogical characteristics of copper-nickel sulfide ores第14-18页
        1.2.1 Pentlandite第14-15页
        1.2.2 Chalcopyrite第15-16页
        1.2.3 Pyrrhotite第16页
        1.2.4 Mg O-bearing gangue minerals第16-18页
    1.3 Magnesium reduction in copper-nickel sulfide ores flotation第18-23页
        1.3.1 Magnesium and its difficulties in copper-nickel sulfide ores flotation第18页
        1.3.2 Magnesium reduction inhibitor reagents in copper-nickel sulfide oresflotation第18-22页
        1.3.3 Magnesium reduction feasibility using a complexing agent-inhibitorreagent combination in copper-nickel sulfide ores flotation第22-23页
    1.4 Research purpose and significance第23-24页
CHAPTER TWO: RESEARCH METHODOLOGY第24-30页
    2.1 Samples preparation第24-25页
    2.2 Equipment and agents第25-26页
    2.3 Methods第26-30页
        2.3.1 Beneficiation method第26-27页
        2.3.2 Sample test method第27-28页
        2.3.3 Test analysis method第28-30页
CHAPTER THREE: ORE MINERALOGY STUDY第30-34页
    3.1 Multi-element analysis of the ore第30-31页
    3.2 Chemical phase analysis of the ore第31页
    3.3 X-ray diffraction (XRD) analysis of the ore第31-32页
    3.4 Chapter summary第32-34页
CHAPTER FOUR: EXPERIMENTAL STUDY第34-65页
    4.1 Jinchuan existing reagent regime experiments conditions第34-44页
        4.1.1 Rougher flotation time experiments第34-35页
        4.1.2 Grinding fineness and grinding time relationship experiments第35-36页
        4.1.3 Rougher flotation grinding fineness experiments第36-37页
        4.1.4 Rougher flotation slurry p H value experiments第37-38页
        4.1.5 Rougher flotation ammonium sulfate dosage experiments第38-39页
        4.1.6 Rougher flotation copper sulfate dosage experiments第39-40页
        4.1.7 Rougher flotation sodium hexametaphosphate dosage experiments第40-41页
        4.1.8 Rougher flotation J-622 dosage experiments第41-42页
        4.1.9 Rougher flotation butyl xanthate dosage experiments第42-44页
    4.2 New reagent regime experimental study第44-57页
        4.2.1 Rougher flotation time experiments第44-45页
        4.2.2 Rougher flotation grinding fineness experiments第45-46页
        4.2.3 Rougher flotation slurry p H value experiments第46-47页
        4.2.4 Rougher flotation complexing agent type experiments第47-48页
        4.2.5 Rougher flotation citric acid dosage experiments第48-49页
        4.2.6 Rougher flotation inhibitor type experiments第49-51页
        4.2.7 Rougher flotation sodium hexametaphosphate dosage experiments第51-52页
        4.2.8 Rougher flotation J-622 dosage experiments第52-53页
        4.2.9 Rougher flotation butyl xanthate dosage experiments第53-54页
        4.2.10 First cleaner flotation time experiments第54-55页
        4.2.11 Second cleaner flotation time experiments第55-56页
        4.2.12 Cleaner flotation citric acid dosage experiments第56-57页
    4.3 Open circuit flotation experiments第57-60页
    4.4 Closed circuit flotation experiments第60-63页
    4.5 Chapter summary第63-65页
CHAPTER FIVE: MECHANISM STUDY第65-70页
    5.1 Infrared spectroscopy (IR) analysis第65-68页
    5.2 Citric acid cleaning effect on copper-nickel sulfide ores surface第68页
    5.3 Chapter summary第68-70页
CHAPTER SIX: CONCLUSION第70-73页
REFERENCES第73-77页
ACKNOWLEDGEMENTS第77页

论文共77页,点击 下载论文
上一篇:电磁压制与烧结工艺对无镉中温银基钎料性能的影响
下一篇:铁矿石粉料冷却装置的结构分析及其冷却过程研究