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of copper anode slime, the Ca-Al-Cl layered double hydroxides (Ca-Al-Cl-LDHs) with a formula of Ca2Al(OH)6Cl·2H2O by three co-precipitation methods were synthesized. A plate-like morphology... at 50 °C. Key words: copper anode slime; layered double hydroxide; selenium adsorption; kinetics; isotherm 1 Introduction In metallurgy industry, the natural resource of selenium and selenium compounds......
Recycle for Sludge Scrap of Nd-Fe-B Sintered Magnet as Isotropic Bonded Magnet Masahiro Masuda1,Shunji Suzuki1,Masahiro Itoh1,Ken-ichi Machida1 (1.Collaborative Research Center for Advanced Science and Technology, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871) Abstract:The reduction diffusion method was performed for the sludge scrap of Nd-Fe-B sintered magnets with adding Ca metal......
Biosorption behaviors of Cu2+, Zn2+, Cd2+ and mixture by waste activated sludge LUO Sheng-lian(罗胜联)1, 2, YUAN Lin(袁 林)1, CHAI Li-yuan(柴立元)1, MIN Xiao-bo(闵小波)1, WANG Yun-yan(王云燕)1, FANG Yan(方 艳)1... 410082, China Received 27 April 2006; accepted 12 September 2006 Abstract: Biosorption of heavy metal ions, such as Cu2+, Cd2+ and Zn2+, was carried out using waste activated sludge from municipal......
Separation of macro amounts of tungsten and molybdenum by precipitation with ferrous salt ZHAO Zhong-wei1, 2, CAO Cai-fang1, CHEN Xing-yu2 1. School of Metallurgical Science and Engineering, Central... solution containing some other impurities. All these indicate the ferrous salts have great potential for removing W from Mo on a commercial scale. Key words: tungsten; molybdenum; selective precipitation......
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Preparation of oriented linear copper fiber sintered felt and its performance ZHOU Wei(周 伟), TANG Yong(汤 勇), WAN Zhen-ping(万珍平), LU Long-sheng(陆龙生), CHI Yong(池 勇), PAN Min-qiang(潘敏强) School... tool. Based on the coarse antler surface structure of copper fibers, a new sintering technology was put forward to manufacture a kind of oriented linear copper fiber sintered felt. The sintering......
Aerosol flotation of low-grade refractory molybdenum oresTao Xu and Chun-bao Sun Key Laboratory of the Ministry of Education of China for High-Efficient Mining and Safety of Metal Mines, University... and particle size of kerosene aerosol on the molybdenum (Mo) flotation index and the effect of kerosene aerosol dosing method on the kerosene dosage and flotation time, were studied in the flotation of low......
rate [9-11]. LEE et al [12] studied the extraction kinetics of heavy copper-containing sludge, and found that both in nitric acid and citric acid solutions, the copper saturation concentrations...Trans. Nonferrous Met. Soc. China 29(2019) 2192-2201 Effect of temperature on leaching behavior of copper minerals with different occurrence states in complex copper oxide ores Gai-rong WANG1,2, Yuan......
is a new nitrogen and phosphorus removal process based on the two sludge theories. Separation of activated sludge is one of the difficult problems encountered in the activated sludge process. Sludge...;is without the risk of sludge bulking, while the latter is more serious. The main reasons are that A2O-BAF process has long anoxic zone and short oxic zone, so it can inhibit sludge bulking......
