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J. Cent. South Univ. Technol. (2009) 16: 0936-0941 DOI: 10.1007/s11771-009-0156-6 Technological conditions and kinetics of leaching copper from complex copper oxide ore SUN Xi-liang(孙锡良)1, 2...; Abstract: The kinetic behavior of leaching copper from low grade copper oxide ore was investigated. The effects of leaching temperature, H2SO4......
铜含量下降, CaO含量在高温时的影响大于低温时的影响. REFERENCES [1]Iwase M. Removal of copper from ferrous scrap[J]. Denki-Seiko(Electric Furnace Steel), 1995, 66(1): 21-26. [2]Savov L, Janke D. Recycling of scrap..., 1996(11): 1377-1385. [4]Kakudate K, Adachi Y, Suzuki T. A quantitative macro model of steel scrap recycling considering copper contamination for the sustainable society[J]. Tetsu-to Hagane, 2000, 86(12......
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J. Cent. South Univ. Technol. (2009) 16: 0242-0246 DOI: 10.1007/s11771-009-0041-3 Recovery of copper sulfate after treating As-containing wastewater by precipitation method ZHENG Ya-jie(郑雅杰... As-containing wastewater till pH value was 6. Green copper arsenite was prepared after copper sulfate was added into the neutralized wastewater when the molar ratio of Cu to As was 2?1 and pH value......
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Optimization of separation processing of copper and iron of dump bioleaching solution by Lix 984N in Dexing Copper Mine LIU Qing-ming(刘清明)1, 2, YU Run-lan(余润兰)1, 3, QIU Guan-zhou(邱冠周)1, 3, FANG... value of aqueous phase and extraction time on the extraction of copper and iron under the condition of low Cu2+ /Fe3+ ratio in dump bioleaching solution of Dexing Copper Mine were explored. The optimal......
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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......
Electroless copper plating on microcellular polyurethane foam TIAN Qing-hua(田庆华), GUO Xue-yi(郭学益) School of Metallurgical Science and Engineering, Central South University, Changsha 410083, China... with good conductive foam for high porosity foam metal materials used in the metal electrodes, the technique of electroless copper plating on the microcellular polyurethane foam with pore size of 0.3 mm......