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Floc flotation of jamesonite fines in aqueous suspensions induced by ammonium dibutyl dithiophosphateZHANG Ting(张婷), QIN Wen-qing(覃文庆) (School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China)Abstract:The hydrophobic flocculation of jamesonite fines in aqueous suspensions induced by ammonium dibutyl dithiophosphate was investigated using laser particle......
chemical composition of experimental samples 图1 脆硫铅锑精矿XRD谱 Fig. 1 XRD pattern of jamesonite concentrate 图2 脆硫铅锑精矿光学显微组织 Fig.2 Microphotographs from optical microscope of jamesonite concentrate (in reflected light) 由表1可知,脆硫铅锑精矿主要成分为Pb,Sb,Fe,Zn,S,CaO及SiO2等,其中含Fe 5.26%.水淬渣为富铁渣,含Fe高达21.41%. 脆硫铅锑精矿XRD及光学显微镜分析结果表明,精矿中主要物相为Pb4FeSb6S14,PbS,FeS2,ZnS及SiO2等.与XRD检测结果不同的是,光学显微镜下还观察到少量碳酸盐的存......
温度对该渣系熔化温度及黏度的作用规律,并在此理论基础上进行了验证实验,为脆硫铅锑精矿富氧直接熔炼过程提供理论指导及技术支撑. 1 实验 1.1 实验原料 实验原料为广西某冶炼厂提供的脆硫铅锑精矿(Jamesonite concentrate,JC)和水淬渣(Antimony blast furnace slag,ABFS),其主要化学成分列于表1.图1所示为脆硫铅锑精矿... smelting of jamesonite concentrate 3.3 熔炼产物微观分析 图9所示为合金及炉渣XRD谱.由图9可见,合金中可分辨的结晶相有金属Pb,金属Sb及Cu2Sb,FeSb2金属间化合物.炉渣中可分辨的结晶相有钙铁橄榄石,铁橄榄石,氧化锌及硫化锌等物相. 图9 合金及炉渣的XRD谱 Fig. 9 XRD patterns......
direct smelting of jamesonite concentrate was carried out at 1250 °C by changing the slag composition. The effects of Fe/SiO2 and CaO/SiO2 mass ratios on the metal recovery rate as well as metal... was mainly oxidized into the slag phase in the form of zinc oxide. Key words: jamesonite concentrate; metallurgical process intensification; slag type; pyrometallurgy; oxygen-enriched direct smelting 1......
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Studies on Sulfating Roasting Process for Mianning Bastnasite and Baotou Mixed RE Concentrate Ore Miao Guangli1 (1.Gansu Rare Earth Company, Baiyin 730922, China) Abstract:Some processes of sulfating roasting and water leaching of crude Mianning RE concentrate ore, of fine Mianning RE concentrate ore, of Baotou RE concentrate ore and of their mixture were investigated.The result shows......
Influence and Analysis of Concentrate Degree of Plasma Arc for Heat Process of Hardening Treatment YAN Hong-ri1,WANG Shuo-gui1 (1.Department of Precision Machinery and Precision Instrument... about surface quench treatment by plasma arc due to the concentrate degree of plasma arc heat source are discussed in this paper. It shows that the concentrate degree of plasma arc heat source can......