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J. Cent. South Univ. Technol. (2011) 18: 83-88 DOI: 10.1007/s11771-011-0663-0 Thermodynamics of chromite ore oxidative roasting process QI Tian-gui(齐天贵), LIU Nan(刘楠), LI Xiao-bin(李小斌), PENG...-Verlag Berlin Heidelberg 2011 Abstract: To explicate the thermodynamics of the chromite ore lime-free roasting process, the thermodynamics of reactions involved in this process was calculated......
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Mechanism of Expansion of Mortars with Limestone Filler due to External Sulfate Attack元强,邓德华摘 要:<正>The mechanism of expansion of mortars and pastes with limestone filler due to external sulfate attack was studied.Mortars and pastes made at water to solid ratios of 0.45, 0.5, 0.6 from Portland Cement (OPC) with 0%, 20% or 30% (w/w) limestone filler......
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; Pore structure of ore granular media by computerized tomography image processing WU Ai-xiang(吴爱祥)1, YANG Bao-hua(杨保华)2, XI Yong(习 泳)2, JIANG Huai-chun(江怀春)2... 410083, China) Abstract: The pore structure images of ore particles located at different heights of leaching column were scanned with X-ray computerized tomography (CT) scanner, the porosity......
Dissolution kinetics of low grade complex copper ore in ammonia-ammonium chloride solution LIU Wei(刘 维), TANG Mo-tang(唐谟堂), TANG Chao-bo(唐朝波), HE Jing(何 静), YANG Sheng-hai(杨声海),YANG Jian-guang(杨建... complex copper ore was investigated in ammonia-ammonium chloride solution. The concentration of ammonia and ammonium chloride, the ore particle size, the solid-to-liquid ratio and the temperature......
Calcination-Digestion-Desliming of Phosphorus Ore Bearing Rare Earth Wang Jing1,Zhang Qin1,Zhang Jie1,Qiu Yue qin1 (1.Guizhou University of Technology, Guiyang 550003, China) Abstract:The recoveries of phosphorus and RE of ore from Zhijin in Guizhou were studied.The influences of the calcination temperature, resident time, the digested time and water volume of the calcinating on concentrate......
Self-compacting Concrete-filled Steel Tubes Prepared from Manufactured Sand with a High Content of Limestone Fines李北星Key Laboratory of Silicate Materials Science and Engineering of Ministry...-compacting concrete (SCC) was prepared from manufactured sand (MS).The utilization of MS with a high content of quarry limestone fines was dealed for SCC applications.The workability,compressive......
J. Cent. South Univ. (2017) 24: 2245-2252 DOI: https://doi.org/10.1007/s11771-017-3634-2 Effect of ultraviolet mutagenesis on heterotrophic strain mutation and bioleaching of low grade copper ore WU... 2017 Abstract: The effect of ultraviolet mutagenesis on a heterotrophic strain (Providencia JAT-1) mutation was studied and bioleaching of low grade copper ore with mutant bacteria was investigated......
Valence variation of arsenic in bioleaching process of arsenic-bearing gold ore CUI Ri-cheng(崔日成), YANG Hong-ying(杨洪英), CHEN Sen(陈 森), ZHANG Shuo(张 硕), LI Ke-feng(李科峰) School of Materials... leaching; arsenic resistance; oxidant; arsenic-bearing gold ore 1 Introduction Arsenic-bearing gold ore is a common......