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黄铜矿和闪锌矿的X射线衍射分析和化学组成.由图1和表1可见,试验所用的黄铜矿和闪锌矿纯度较高,符合试验要求. 试验用的黄原胶,丁基黄药,盐酸,氢氧化钠均是从上海思域化工有限公司购买的分析纯药剂,蒸馏水为实验用水. 图1 黄铜矿和闪锌矿的XRD谱 Fig. 1 XRD patterns of chalcopyrite(a) and sphalerite(b) 表1 黄铜矿和闪锌矿化学组成分析 Table 1 Chemical composition of chalcopyrite and sphalerite 1.2 浮选实验 称取2 g硫化矿物放入XFGII-5型挂槽浮选机的浮选槽中,后在浮选槽中加入蒸馏水40 mL,启动浮选机搅拌混匀,根据试验要求矿浆pH使用盐酸或氢氧化钠调节,依次加入黄原胶抑制剂,丁基黄药捕收剂,MIBC......
Trans. Nonferrous Met. Soc. China 31(2021) 2128-2138 Influence of high concentration Zn2+ on floatability of sphalerite in acidic system Ting-sheng QIU1, Guo-dong LI1,2, Xiao-bo LI1, Hua-shan YAN1... 730900, China Received 15 April 2020; accepted 30 April 2021 Abstract: The influence of high concentration Zn2+ on the floatability of sphalerite in an acidic system was investigated via flotation......
and mechanism of oxidizer in flotation separation of galena and sphalerite using locust bean gum as depressant FENG Bo, GUO Yutao, WANG Tao, PENG Jinxiu, ZHANG Liangzhu,ZHONG Chunhui, WANG Huihui (Jiangxi Key Laboratory of Mining Engineering, Jiangxi University of Science and Technology,Ganzhou 341000, China) Abstract: The effect of oxidizer KMnO4 on the flotation separation of galena and sphalerite using......
;文献标志码:A 文章编号:1672-7207(2017)01-0016-09 Adsorption mechanism of sphalerite by sodium oleate ZHANG Guofan, ZHANG Baifa, SHI Qing (School of Mineral Processing and Bioengineering, Central South University, Changsha 410083, China) Abstract: The flotation of sphalerite and the adsorption mechanism were studied through flotation tests, absorption......
Trans. Nonferrous Met. Soc. China 30(2020) 2547-2555 Synergistic depression mechanism of zinc sulfate and sodium dimethyl dithiocarbamate on sphalerite in Pb-Zn flotation system Yan-fang CUI, Fen...: The depression mechanism of zinc sulfate (ZnSO4) and sodium dimethyl dithiocarbamate (DMDC) as the combined depressant on sphalerite was investigated by micro-flotation experiments, ion complexing tests......
; 文献标志码:A Effect of mechanical activation on physical and chemical properties and roasting kinetics of sphalerite TIAN Lei, ZHANG Ting-an, Guo-zhi, LIU Yan, ZHOU Shuang, ZHANG Wei-guang, ZHANG Guo-quan (Key Laboratory for Ecological Utilization of Multimetallic Mineral, Ministry of Education, Northeastern University, Shenyang 110819, China) Abstract: The sphalerite was mechanically activated......
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Trans. Nonferrous Met. Soc. China 30(2020) 1364-1374 Determination of Fe and Zn contents and distributions in natural sphalerite/marmatite by various analysis methods Hao LAI1, Jiu-shuai DENG2, Zi...., Ltd., Lhasa 850200, China Received 19 June 2019; accepted 27 March 2020 Abstract: The contents of Fe and Zn in natural sphalerite samples were determined by chemical titration and spectroscopic......