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Effect of added cobalt ion on copper electrowinning from sulfate bath using doped polyaniline and Pb-Ag anodes HUANG Hui(黄 惠)1, ZHOU Ji-yu(周继禹)2, GUO Zhong-cheng(郭忠诚)1 1. Faculty... of the copper deposits change from (220) to (111) with the addition of 0.394-0.789 g/L Co2+ but higher concentrations favor (220) orientation again. Key words: copper electrowinning; cobalt additive; electrode......
review (Part I): Sulphuric acid technologies [J]. Hydrometallurgy, 2008, 91(1/4): 35-55. [7] NEUDORF D, ARROYO C. Atmospheric leach process for the recovery of nickel and cobalt from limonite... Leaching of nickel laterite ore assisted by microwave technique ZHAI Xiu-jing(翟秀静), WU Qiang(武 强), FU Yan(符 岩), MA Lin-zhi(马林芝), FAN Chuan-lin(范川林), LI Nai-jun(李乃军) School......
. An extraction of nickel (90.3%) and cobalt (88.6%) was successfully achieved within a 300 d leaching process from the Jinchuan low grade nickel sulfide mineral ore using a column reactor at ambient temperature... regulations, the existing process for high grade ore is not feasible for the low grade ore. JNMC is increasingly faced with the need to extract nickel and cobalt economically from the low-grade ore......
of the nickel hydroxide, many attempts have been made in recent years, among which the most commonly used approach is to add cobalt additive, such as CoO and Co(OH)2, directly to the positive electrode so... microencapsulated by cobalt [J]. Inter J Hydrogen Energy, 1999, 24: 973-980. [20] ZIMMERMAN A H, EFFA P K. Discharge kinetics of the nickel electrode [J]. J Electrochem Soc, 1984, 131: 709-713......
Nickel Electroplating Toru Murakami1,Kazutoshi Komori2,Yasuo Uchikoshiki3 (1.C. Uyemura. & Co.,Ltd. ,Osaka, Japan;2.Uyemura(Shanghai;3.Uyemura-Solar(Shenzhen) 摘要:Nickel electroplating has been... use. At first the basics of nickel electroplating, for example, purpose, use, merit & demerit, nickel plating solution, current efficiency,limiting current density, additional agents and their behaviors......
, 沈芬芳, 成 忠. 钴与镍的分离技术研究综述[J]. 浙江科技学院学报, 2007, 19(3): 169-174. ZHU Ai-shi, XU Liang, SHEN Fen-fang, CHENG Zhong. Review of separation technology study of cobalt and nickel[J]. Journal of Zhejiang... of cobalt(II), iron(III) and nickel(II) extraction: A green chemistry approach[J]. J Hazard Mater, 2011, 193: 311-318. [4] ZHANG X J, LI X G, CAO H B, ZHANG Y. Separation of copper, iron (III), zinc......
, 28 (1): 119-124. [3] PRALONG V, DELAHAYE-VIDAL A, BEAUDOIN B, LERICHE J B, TARASCON J M. Electrochemical behavior of cobalt hydroxide used as additive in the nickel hydroxide electrode[J]. J... A, CHABRE Y, BEAUDOIN B, TARASCON J M. The outcome of cobalt in the nickel-cobalt oxyhydroxide electrodes of alkaline batteries[J]. J. Journal of Solid State Chemistry, 2001, 162(7): 270-281. [9] LI L, WU F......
600 113, Tamilnadu, India Received 5 February 2015; accepted 17 November 2015 Abstract: The extraction and separation of zinc, manganese, cobalt and nickel from nickel laterite bacteria leach liquor... The separation of Co from the Fe, Cr, Al, Zn and Mn-free nickel laterite leach liquor bearing 0.64 g/L Ni and 0.03 g/L Co was carried out. To study the effect of pH on extraction of cobalt from......
solution containing cobalt and nickel through emulsion liquid membrane using PC-88A as extractant[J]. Separation and Purification Technology, 2009, 64(1): 273-279. [10] Ramachandra R B, Venkateswara R S, Kyung H P. Solvent extraction separation and recovery of cobalt and nickel from sulphate medium using mixtures of TOPS 99 and TIBPS extractants[J]. Minerals Engineering, 2009, 22(5): 500-505. [11......
Journal of Nonferrous Metals, 2006, 16(10): 1806-1811. (in Chinese) [4] HE Huan-hua, CAI Qiao-fang. Metallurgy of nickel and cobalt in China[M]. Beijing: Metallurgical Industry Publishing House, 2000... Effects of additives on nickel electrowinning from sulfate system LU Jing(卢 静), YANG Qi-hua(阳启华), ZHANG Zhao(张 昭) School of Chemical Engineering, Sichuan University, Chengdu 610065......
