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Well-controlled column bioleaching of a low-grade copper ore by a novel equipmentWANG Jun(王军)1, 2, HU Ming-hao(胡明皓)1, 2, ZHAO Hong-bo(赵红波)1, 2, TAO Lang(陶浪)1, 2, GAN Xiao-wen(甘晓文)1, 2, QIN Wen-qing... (Central South University), Changsha 410083, China)Abstract:For the low-grade copper sulfide ores with 0.99% of copper, of which 41.5% was primary copper sulfide, and 54.5% was secondary copper sulfide......
Leaching of vanadium, sodium, and silicon from molten V?Ti-bearing slag obtained from low-grade vanadium-bearing titanomagnetiteYuan-yuan Zhu1,2,3,Ling-yun Yi2,3,Wei Zhao2,3,De-sheng Chen2,3,Hong-xin... of vanadium, sodium, and silicon from molten vanadium-titanium-bearing(V-Ti-bearing) slag obtained from low-grade vanadium-bearing titanomagnetite was investigated systematically. The results show......
Use of mesophilic and thermophilic bacteria for the improvement of copper extraction from a low-grade oreE.Darezereshki1,2,M.Schaffie2,3,M.Lotfalian1,4,M. Ranjbar1,3摘 要:Bioleaching was examined for copper extraction from a low grade ore using mesophilic and moderate thermophilic bacteria. Five equal size columns were used for the leaching of the ore......
minerals and a little NiFe2O4 is presented in the ores. Table 1 Chemical composition of low-grade nickel laterites (mass fraction, %) Fig.1 X-ray diffraction pattern of low-grade nickel laterites... Pretreatment study on chloridizing segregation and magnetic separation of low-grade nickel laterites LIU Wan-rong(刘婉蓉)1, LI Xin-hai(李新海)1, HU Qi-yang(胡启阳)1, WANG Zhi-xing(王志兴)1, GU Ke......
J. Cent. South Univ. (2012) 19: 1663-1667 DOI: 10.1007/s11771-012-1190-3 An active pipe-embedded building envelope for utilizing low-grade energy sources XIE Jun-long(谢军龙)1, ZHU Qiu-yuan(朱求源)2, XU... before the external disturbance becomes cooling/heating load by using the circulating water, but also may use low-grade energy sources such as evaporative cooling, solar energy, and geothermal energy......
Effect of main inclusions on crack initiation in bearing steel in the very high cycle fatigue regimeChao Gu1,Yan-ping Bao1,Peng Gan1,Min Wang1,Jin-shan He21. State Key Laboratory of Advanced... on crack initiation in bearing steel in the very high cycle fatigue(VHCF) regime. The size and type of inclusions in the steel were quantitatively analyzed, and VHCF tests were performed. Some fatigue......
University, 2019, 26(4): 796-805. DOI:10.1007/s11771-019-4049-z. [11] ZHEN Shi-jie, YAN Zhong-qiang, ZHANG Yan-sheng, WANG Jun, MAURICE C, QIN Wen-qing. Column bioleaching of a low grade nickel-bearing... time on gold dissolution in cyanide solution [J]. Minerals, 2016, 6(3): 1-9. DOI:10.3390/min6030068. [23] YANG Yu, DIAO Meng-xue, LIU Kai, QIU Guan-zhou. Column bioleaching of low-grade copper ore......
Microstructure and mechanical properties of FGBA/BG air cooling bainitic steels containing niobiumChun Feng,Hong-sheng Fang,Bing-zhe Bai,and Yan-kang Zheng Department of Materials Science and Engineering,Tsinghua University,Beijing 100084,China摘 要:<正>......
Tin recovery from a low-grade tin middling with high Si content and low Fe content by reduction–sulfurization roasting with anthracite coalJing-cheng Wang1,2,3,Lei Li1,2,3,Yong Yu1,2,31. State Key...="ChDivSummary">A new method for separating and recovering tin from a low-grade tin middling with high Si content and low Fe content by roasting with anthracite coal was researched by studying......
