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. At the same time, the selectivity to zinc leaching is high in ultrasonic intensified ammonia leaching process of low-grade oxide zinc ore. Key words: low-grade oxide zinc ore; ultrasonic irradiation...-grade oxide zinc ore ZHANG Yu-mei, LI Jie, CHEN Qi-yuan, DING Hong-qing (School of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China) Abstract: The influence......
Dominance of Acidithiobacillus at ore surface of Zijinshan commercial low-grade copper bioleaching heap LIU Xing-yu(刘兴宇), CHEN Bo-wei(陈勃伟), WEN Jian-kang(温建康) National... of microbial populations in a low-grade copper ore bioleaching test heap [J]. Hydrometallurgy, 2005, 80: 241-253. [5] VASQUEZ M, ESPEJO R T. Chemolithotrophic bacteria in copper ores leached at high......
Cost-effective integrated strategy for the fabrication of hard-magnet barium hexaferrite powders from low-grade barite oreM.M.S.Sanad,M.M.RashadCentral Metallurgical R & D Institute摘 要:Ultrafine barium hexaferrite(BaFe12O19) powders were synthesized from the metallurgical extracts of low-grade Egyptian barite ore via a co-precipitation route......
Kinetic modeling of copper bioleaching from low-grade ore from the Shahrbabak Copper ComplexSaman Beikzadeh Noei,Saeed Sheibani,Fereshteh Rashchi,Seyed Mohammad Javad MirazimiSchool of Metallurgy and Materials Engineering, College of Engineering, University of Tehran摘 要:The copper recovery from low-grade copper sulfide ore was investigated using......
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......
="ChDivSummary" name="ChDivSummary">The comprehensive recovery of small amounts of valuable minerals such as gold and base-metal sulfide minerals from a low-grade refractory ore was investigated...Comprehensive recovery of gold and base-metal sulfide minerals from a low-grade refractory oreWen-juan Li1,2,Shuang Liu1,Yong-sheng Song1,Jian-kang Wen1,Gui-ying Zhou1,Yong Chen11. National......
J. Cent. South Univ. (2016) 23: 2838-2844 DOI: 10.1007/s11771-016-3347-y Fragmentation mechanism of low-grade hematite ore in a high pressure grinding roll YUAN Zhi-tao(袁致涛)1, LI Li-xia(李丽匣)1, HAN... the reduction ratio, liberation, specific surface energy, and specific surface area. The results showed that the fracture of low-grade hematite ore in HPGR was an interactive dynamic process in which......
, 王晖, 符剑刚, 等. 从低品位红土镍矿中高效回收镍铁[J]. 中南大学学报: 自然科学版, 2011(8): 2173-2177. LIANG Wei, WANG Hui, FU Jiangang, et al. High recovery of ferro-nickel from low grade nickel laterite ore[J]. Journal of Central.... [11] LIU Wanrong, LI Xinhai, HU Qiyang, et al. Pretreatment study on chloridizing segregation and magnetic separation of low-grade nickel laterites[J]. Transactions of Nonferrous Metals Society......
Linking leach chemistry and microbiology of low-grade copper ore bioleaching at different temperaturesYan Jia1,2,He-yun Sun1,2,Qiao-yi Tan1,2,Hong-shan Gao3,Xing-liang Feng3,Ren-man Ruan1,21... population in the bioleaching columns of a low-grade chalcocite ore were investigated in this study. Raffinate from the industrial bioleaching heap was used as an irrigation solution for columns......
Bioleaching of low-grade copper sulfide ores by Acidithiobacillus ferrooxidans and Acidithiobacillus thiooxidansWANG Jun(王军)1, 2, ZHU Shan(朱珊)1, 2, ZHANG Yan-sheng(张雁生)1, 2, ZHAO Hong-bo(赵红波)1, 2.... The bioleaching rates reach their highest point in sulfide copper and chalcopyrite with a pulp density of 5% and 10%, respectively. Column flotation experiments of low-grade copper sulfide ores show......
