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Indium recovery from zinc oxide flue dust by oxidative pressure leaching LI Xuan-hai(黎铉海)1, ZHANG Yan-juan(张燕娟)1, QIN Quan-lun(覃全伦)1, YANG Jian(阳 健)1, WEI Yan-song(韦岩松)2 1. School... pressure leaching in an autoclave, and the effects of different technological conditions on indium leaching were studied. Potassium permanganate and hydrogen peroxide were used as oxidants......
Kinetics of nitric acid leaching of cerium from oxidation roasted Baotou mixed rare earth concentrateKai Li1,2,Ji Chen1,Dan Zou1,Tianchi Liu1,2,Deqian Li11. State Key Laboratory of Rare Earth... of nitric acid leaching of cerium was investigated for the oxidation roasted Baotou mixed rare earth concentrate. The effects of leaching temperature, HNO3 concentration, liquidesolid ratio(L/S)and stirring......
Leaching of a copper flotation concentrate with ammonium persulfate in an autoclave systemM.Deniz Turan1,H.Soner Altundogan21. Department of Metallurgical and Materials Engineering, Firat University2. Department of Bioengineering, Firat University摘 要:The leaching behavior of a copper flotation concentrate was investigated using ammonium persulfate(APS......
Kinetics of nitric acid leaching of cerium from oxidation roasted Baotou mixed rare earth concentrateKai Li1,2,Ji Chen1,Dan Zou1,Tianchi Liu1,2,Deqian Li11. State Key Laboratory of Rare Earth... of nitric acid leaching of cerium was investigated for the oxidation roasted Baotou mixed rare earth concentrate. The effects of leaching temperature, HNO3 concentration, liquidesolid ratio(L/S)and stirring......
Deep cleaning of a metallurgical zinc leaching residue and recovery of valuable metalsPeng Xing1,Bao-zhong Ma1,Peng Zeng1,2,Cheng-yan Wang1,Ling Wang1,Yong-lu Zhang1,Yong-qiang Chen1,Shuo Wang3,Qiu... University of Science and Technology摘 要:Huge quantities of zinc leaching residues(ZLRs) generated from zinc production are dumped continuously around the world......
friendly manner,this study focuses on the process of leaching vanadium from vanadium slag by high pressure oxidative acid leaching.Characterizations of the raw slag,mineralogy transformation... of fayalite,titanomagnetite,and spinel.During the high pressure oxidative acid leaching process,the fayalite and spinel phases are gradually decomposed by sulfuric acid,causing the release of vanadium and iron......
of Materials Science and Engineering,Delft University of Technology摘 要:Copper and zinc were recovered from waste diamond cutters through leaching with an ammonia–ammonium sulfate system and air as an oxidant. The effects of experimental parameters on the leaching process were investigated, and the potential–pH(E–pH) diagrams of Cu–NH3–SO42-–H2O and Zn–NH3......
400044, China摘 要:The extraction of vanadium from high calcium vanadium slag was attempted by direct roasting and soda leaching. The oxidation process..., roasting time, Na 2 CO 3 concentration, leaching temperature, leaching time, and liquid to solid ratio on the extraction of vanadium were studied. The results showed that olivine phases and spinel......
Molybdenum recovery from oxygen pressure water leaching residue of Ni-Mo oreMing-Shuang Wang,Chang Wei,Gang Fan,Zhi-Gan Deng,Si-Fu Wang,Jun WuFaculty of Metallurgical and Energy Engineering,Kunming University of Science and Technology摘 要:This article investigated molybdenum recovery from oxygen pressure water leaching residue of Ni-Mo ore using alkaline......
Study on leaching rare earths from bastnaesite treated by calcification transition黄宇坤,张廷安,豆志河,刘江,唐方方Key Laboratory of Ecological Metallurgy of Multi-metal Intergrown Ores of Ministry of Education... was studied through the single factor test and XRD patterns of bastnaesite after calcification and slags after leaching in HCl solution. And the effects of the main calcified parameters such as temperature......