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Recovery of germanium from lignite by microorganismZHU Yun, GUO Yuxia, and GUO ShuxianDepartment of Metallurgy, Kunming University of Science and Technology, Kunming 65009, China摘 要:<正>The recovery of Ge from lignite by microorganism includes two stages: (1) the breaking-down of Ge complex of humus in lignite into simple compounds assisted......
Trans. Nonferrous Met. Soc. China 24(2014) 1187-1195 Recovery of alumina from circulating fluidized bed combustion Al-rich fly ash using mild hydrochemical process Quan-cheng YANG1,2, Shu-hua MA1... was investigated for recovery of alumina. An alumina extraction efficiency of 92.31% was attained using a 45% NaOH solution, an original caustic ratio (molar ratio of Na2O to Al2O3 in the sodium......
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Recovery of Mn2+, Co2+ and Ni2+ from manganese nodules by redox leaching and solvent extraction SHEN Yong-feng(申勇峰)1, 2, 3, XUE Wen-ying(薛文颖)4, LI Wei(李 薇)3,LI Shan-de(李禅德)2, LIU Xiang-hua(刘相华)4...; Abstract: The recovery of Mn, Co and Ni from deep-sea manganese nodules was conducted by acid oxidative leaching and solvent extraction. The results indicate that pyrrhotite used during......
University, Changsha 410083, China) Abstract: The low recovery rates of Pt and Pd, and low direct recovery of Au are the main problems needed to be solved in the process of copper anode slime treatment... leached residue, with the amounts of Pt and Pd of 53%, 14%, 26% and 8%, respectively. Key words: copper anode slime; Au; Ag; Pt; Pd; substance flow analysis; precious metals; recovery ......
) Abstract: The recovery of lead chloride from ferrous metallurgy sintering electric dust with wet leaching and the preparation of lead oxide were discussed by using HCl-NaCl mixture solution... of Pb from the dust is over 99.50%.With 2 cycles of the crystalled mother liquor, the total recovery of lead can reach 95.08%. In the conversion of PbCl2 to PbO, the amount of sodium carbonate......
钢铁企业用电自给可行性探讨李洪福1,2,温燕明2,孙德民2(1.北京市北京科技大学 冶金与生态工程学院2.山东省济南市济钢集团有限公司)摘 要:大型钢铁联合企业采用高炉-转炉长流程钢铁生产过程产生大量的余热余能资源,具有巨大的回收利用潜力.系统分析了典型钢铁流程的能量流和具备回收利用价值的主要余热余能资源情况,提出了采用当前先进的工艺技术进行回收发电.通过建立分布式电站,使得钢铁企业余热余能就近回收,就近输送,就近使用,从而实现钢铁企业用电基本自给.研究结果表明:基于一个年产1 000万t规模的大型钢铁联合企业......
Coal and coal byproducts:A large and developable unconventional resource for critical materials-Rare earth elementsZaixing Huang1,2,Maohong Fan1,2,3,Hanjing Tiand41. Department of Petroleum Engineering, University of Wyoming2. Department of Chemical Engineering, University of Wyoming3. School of Energy Resources, University of Wyoming4. Department of Chemical Engineering, West Virginia University......
Coal and coal byproducts:A large and developable unconventional resource for critical materials-Rare earth elementsZaixing Huang1,2,Maohong Fan1,2,3,Hanjing Tiand41. Department of Petroleum Engineering, University of Wyoming2. Department of Chemical Engineering, University of Wyoming3. School of Energy Resources, University of Wyoming4. Department of Chemical Engineering, West Virginia University......
