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="ChDivSummary">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... of the ore and on the agglomerated ore, respectively. 28wt% of the copper was extracted in the first column after 40 d, while this figure was 38wt% in the second column. After 90 d, however......
STUDY ON BIOLEACHING OF PRIMARY CHALCOPYRITE ORE WITH THERMOACIDOPHLIC ARCHAE T. Lei1,P. Zou2,W.B. Zhang2,J.K. Wang1 (1.Technology Center, Yunnan Metallurgy Group Co., Ltd., Kunming 650031,China...-containing spring in the Yunnan Province, China, and was used in bioleaching experiments of a low-grade chalcopyrite ore. The TA grow at temperatures ranging from 40 to 80℃, with 65℃ being the optimum......
High-temperature performance prediction of iron ore fines and the ore-blending programming problem in sinteringBing-ji Yan1,Jian-liang Zhang1,2,Hong-wei Guo1,2,Ling-kun Chen3,Wei Li11. School... Iron and Steel (Group) Corporation摘 要:The high-temperature performance of iron ore fines is an important factor in optimizing ore blending in sintering......
Iron ore tailings used for the preparation of cementitious material by compound thermal activationZhong-lai Yi1), Heng-hu Sun1), Xiu-quan Wei2), and Chao Li1) 1) Department of Materials Science...="ChDivSummary">In the background of little reuse and large stockpile for iron ore tailings, iron ore tailing from Chinese Tonghua were used as raw material to prepare cementitious materials. Cementitious......
J. Cent. South Univ. (2012) 19: 2307-2315 DOI: 10.1007/s11771-012-1276-y Separation of sulfide lead-zinc-silver ore under low alkalinity condition SUN Wei(孙伟), SU Jian-fang(苏建芳), ZHANG Gang(张刚), HU...: A complex lead-zinc-silver sulfide ore containing 2.98% Pb, 6.49% Zn and 116.32×10-4 % Ag (mass fraction) from Yunnan Province, China, was subjected to this work. Research on mineral processing......
Intelligent Forecasting of Sintered Ore’s Chemical Components Based on SVM钟珞,王清波School of Computer Science and Technology,Wuhan University of Technology摘 要:ore,some key techniques for intelligent forecasting of the chemical components of sintered ore are studied in this paper.A new intelligent forecasting system based......
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of China, 2015, 25(11): 3767-3773. DOI: 10.1016/s1003-6326(15) 64020-1. [29] KIENKO L A, VORONOVA O V. Selective flotation of fine-ingrained carbonate-fluorite ore in pulp of increased dispersion uniformity... J. Cent. South Univ. (2020) 27: 37-51 DOI: https://doi.org/10.1007/s11771-020-4276-3 Recovery of Zn, Pb, Fe and Si from a low-grade mining ore by sulfidation roasting-beneficiation-leaching......
Reduction of Low-grade Manganese Dioxide Ore Pellets by Biomass Wheat StalkHonglei ZHANG1,Guocai ZHU2,Hong YAN1,Yuna ZHAO2,Tiancheng LI2,Xiujuan FENG21. College of Life Science and Bio-engineering... dioxide ore pellets was carried out by using wheat stalk as reductant. The main impact factors of reduction percent such as particle size, biomass/ore ratio, heating rate, nitrogen flow rate......
Study on Gold Ore in Permian Organic Reef and Triassic Turbidite in the Juncture of Yunnan-Guizhou-Guangxi provinces,SW ChinaLuo Zuyu (Department of Geology)摘 要:<正> The sedimentology feature and palaeotectonice system and diagenesis and metallog-netic action were studied after on gold ore in Permian organic reef and Triassic turbidi-te......
