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a novel one-step method to synthesize copper nitrate hydroxide nanorings Wang Xin-bo(王新波), Huang Long-nan(黄龙男) School of Materials Science and Engineering, Harbin Institute...-state reaction in the presence of nonionic surfactant OP-10 at room temperature was adopted to prepare copper nitrate hydroxide (Cu2(OH)3NO3) nanorings with an average internal diameter of 250 nm......
IMPROVING THE MECHANICAL PROPERTIES OF COPPER ALLOYS BY THERMO-MECHANICAL PROCESSING L.P.Karjalainen1,M.C.Somani1 (1.Department of Mechanical Engineering,University of Oulu,90014 Oulu,Finland) Abstract:Systematic physical simulation of thermo-mechanical processing routes has been applied on a Gleeble 1500 simulator to four copper alloys(mass %)Cu-0.57Co-0.32Si,Cu-0.55Cr-0.065P......
Comparison of desulfurization kinetics of copper oxide sorbentYU Qing-chun(郁青春)1, 2, DENG Yong(邓勇)1, 2, WANG Fei(王飞)1, 2, FENG Yue-bin(冯跃斌)3, YANG Bin(杨斌)1, 2, XU Bao-qiang(徐宝强)1, 2, LIU Da-chun(刘大春... parameters are obtained and discussed.Key words:copper oxide; desulfurization; kinetics; γ-Al2O3......
J. Cent. South Univ. (2018) 25: 21-28 DOI: https://doi.org/10.1007/s11771-018-3713-z Improving of copper extraction from chalcopyrite by using NaCl M. Deniz Turan1, Mustafa Boyrazl1, H. Soner... 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......
Geochemistry of Rare Earth Elements of Anqing Copper Deposit in Anhui Province 岳书仓1,周涛发1,刘晓东1,袁峰1 (1.Department of Resources and Environmental Science, Hefei University of Technology, Hefei 230009, China) Abstract:The geochemical features of REE were studied by comparing the copper ore with the skarn, the diorite and the stratum, to trace the source of metallogenic materials in Anqing copper......
] REDDY R G, FONT J M. Arsenate capacities of copper smelting slags [J]. Metallurgical and Materials Transactions B, 2003, 34: 565-571. [20] CHEN C, JAHANSHAHI S. Thermodynamics of arsenic in FeOx-CaO-SiO2...Trans. Nonferrous Met. Soc. China 30(2020) 2823-2835 Assessment of selective sequential extraction procedure for determining arsenic partitioning in copper slag Hui-bin ZHANG1, Yu-zheng HE1, Jing......
Estimation of SO2 emission factors from copper smelting industry in Yunnan Province, ChinaZHANG Yan(张艳), Tang Xiao-long(唐晓龙), YI Hong-hong(易红宏), MA Jie-yun(马洁云)(College of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China)Abstract:Copper smelting is a significant source of SO2 emission. It is important to quantify SO2 emissions from......
Inhibition behavior of some new mixed additives upon copper electrowinning YU Run-lan(余润兰)1, 2, LIU Qing-ming(刘清明)3, QIU Guan-zhou(邱冠周)1, 2, FANG Zheng(方 正)3 , TAN Jian-xi(谭建锡)1, 2, YANG Peng(杨...: As thiourea and sulfur-containing mixed additives contaminate cathodic copper, inhibition behavior of some new mixed additives such as gelatin+hexadecylpyridinium bromide (HDPBr), gelatin+polyethylene......
Removal of copper from nickel anode electrolyte through ion exchange CHEN Ai-liang(陈爱良)1, 2, QIU Guan-zhou(邱冠周)1, ZHAO Zhong-wei(赵中伟)2, SUN Pei-mei(孙培梅)2, YU Run-lan(余润兰)1 1...; Abstract: An novel method for removal of copper from nickel anodic electrolyte through ion exchange was studied after cupric......
Development of copper coatings on molybdenum powders by electroless plating technique WANG Guang-jun(王光君), WANG De-zhi(王德志) Schools of Materials Science and Engineering, Central South University, Changsha 410083, China Received 15 July 2007; accepted 10 September 2007 Abstract: Mo powders with average particle size of 3 μm were attempted to coat with copper by electroless plating......