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annually due to lead and zinc plants operation in China [1]. Due to its high metal content and environmental impact, ZOD is regarded as a secondary source of zinc rather than as a waste. The ZOD cannot...]. Metallurgist, 2011, 54(9-10): 673-681. [5] LIN M. Alkaline leaching of metal melting industry wastes and separation of zinc and lead in the leach solution [J]. Journal of Environmental Sciences, 2000, 12......
Extraction and separation of Fe(Ⅲ) from heavy metal wastewater using P204 solvent impregnated resinQi Sun,Li-Mei Yang,Li Zhang,Song-Tao Huang,Zheng XuNational Engineering Laboratory of Biohydrometallurgy,General Research Institute for Nonferrous Metals摘 要:The extraction and separation of Fe(Ⅲ) from heavy metal wastewater generated in zinc smelting......
and Engineering, Central South University, Changsha 410083, China Received 5 December 2017; accepted 16 April 2018 Abstract: Simultaneous determination of impurity metal ions in high concentration zinc solution... reagents were analytical reagents. The water was redistilled water. 2.2 Procedure The testing process is divided into two steps: (1) An appropriate amount of the zinc electrolyte sample (or the metal......
of zinc, iron (III), aluminum, copper and magnesium were calculated. As a result, it shows that the proposed formula is reliable. By the proposed formula, the existence state of metal ions... precipitation and cumulative stability constant of metal hydroxide complex are from literatures [1,5,14-16]. From Fig. 2(a), the zinc ion (Zn2+) transformed into precipitate (Zn(OH)2) gradually with the increase......
Jia-sheng1(1. School of Materials Science and Engineering, Central South University, Changsha 410083, China; 2. Key Laboratory of Nonferrous Metal Materials Science and Engineering, Ministry... and 20.5%, respectively.Key words:free-cutting ; deformation zinc alloy; solution; aging......
EXPERIMENTAL TESTING OF DRAW-BEAD RESTRAINING FORCE IN SHEET METAL FORMING J.H.Yang1,X.Y.Ruan1,D.N.He1,J.Chen1 (1.Department of Plasticity Forming Engineering, Shanghai Jiao Tong University, Shanghai 200030, China) Abstract:Due to complexities of draw-bead restraining force calculated according to theory anddepending on sheet metal forming properties experiment testing system......
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Trans. Nonferrous Met. Soc. China 22(2012) 3120-3125 Effect of moderately thermophilic bacteria on metal extraction and electrochemical characteristics for zinc smelting slag in bioleaching system... in the presence or absence of bacteria, and the moderately thermophilic microorganisms can positively influence the metal oxidation of zinc smelting slag. Fig. 4 Cyclic voltammetry curves of zinc smelting......
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