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sulphide ores [J]. JOM, 1991, 43(8): 51–56. [28] BARR G, DEFREYNE J, JONES D, MOORE R. The CESL process- successful refinery of a low grade copper concentrates [M]. Proceedings ALTA Copper, Perth... to the results, the passivation effect of sulfur layer and low dissolution problems can be eliminated in the presence of chloride ions. Copper and iron extraction yields were obtained as 75% and 80%, respectively......
recovery techniques from e-scrap: Hydrometallurgy in recycling [J]. Minerals Engineering, 2012, 25(1): 28–37. [10] RUDNIK E, BAYARAA E. Electrochemical dissolution of smelted low-grade electronic scraps... technology [J]. Waste Management, 2012, 32(5): 979–990. [12] WANG Fei, LI Hong-juan, LI Lei, XIE Xiao-feng, QIU Shi-wei, YU Jun-qiang. Recovery of copper from cupronickel alloy waste by low current density......
were determined. The results indicated that copper was effectively concentrated from low-concentration solutions using Aliquat 336 and that the extraction efficiency increased linearly with increasing...Enrichment of copper and recycling of cyanide from copper–cyanide waste by solvent extractionTeng-yue Gao1,Kui-ren Liu1,Qing Han1,Bin-shi Xu21. Key Laboratory of Ecological Utilization of Multi-metal......
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......
密集. 图2 At. thiooxidans细胞在低品位黄铜矿被污染前后的吸附率 Fig. 2 Adsorption ratio of At. thiooxidans on uncontaminated/ contaminated low-grade chalcopyrite ores 2.3 受污染黄铜矿的生物浸出特征 被萃取有机物污染的低品位黄铜矿,与清洁...; At. thiooxidans细胞在黄铜矿表面的吸附形貌 Fig. 3 SEM images of At. thiooxidans on low-grade chalcopyrite ores 萃取有机物的成分复杂,且含有大量的极性基团.而矿物本身在微观层面存在着细小空隙,以及分布不均的表面活性位点[19].当矿物与萃取有机物发生固-液接触时,矿物表面的活性位点极易与极性基团相吸引,发生吸附作......
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for the extraction of metals from low-grade ores (i.e., containing gold, copper, nickel, cobalt or uranium) due to its environmentally friendly aspect and low cost, low investment, and simple equipment [1]. Many.... Bacterial heap-leaching: Practice in Zijinshan copper mine [J]. Hydrometallurgy, 2006, 83(1/4): 77-82. [4] RAWLINGS D E, DEW D, CHRIS D. Biomineralization of metal-containing ores and concentrates [J......
650093, China) Abstract: A refractory low-grade oxide copper ore in Yunnan which contains large amounts of combined copper was studied using united technology of flotation and hydrometallurgy. Flotation...艺研究[D]. 长沙: 中南大学冶金科学与工程学院, 2010: 92-97. LIU Wei. Theoretical and technological study on treating low grade copper oxide ore in the system of MACA[D]. Changsha: Central South University. School......
浸出 中图分类号:TF111 文献标志码:A Heat activation pretreatment and pressure leaching of complex copper sulfide ores XU Zhi-feng1, LI Qiang2, WANG Cheng-yan2 (1. School of Materials... and Metallurgy, Beijing 100044, China) Abstract: The heat activation-pressure leaching of complex copper sulfide ores with tetrahedrite as the main mineral was studied. The results show that the leaching......
from gold plants are being tightened by the local governments worldwide after several cyanide spill disasters happened[2]. On the other hand, the common occurrence of copper minerals in gold ores... cyanide recovery system [C]// Cyanide: Social, Industrial and Economic Aspects. New Orleans, US: TMS, 2001: 317-340. [5] Sceresini B. Gold-copper ores [C]// Advances in Gold Ore Processing. Elsevier, 2005......
