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Selective leaching of nickel from low-sulfur Ni-Cu matte at atmospheric pressure FU Yan(符 岩)1, LI Bin-chuan(李斌川)1, FAN Chuan-lin(范川林)1, ZHAI Xiu-jing(翟秀静)1, ZHANG Xi-jun(张希军)1, LI... by cementation with unreacted Ni alloys. To determine the feasibility of this process, the selective leaching of nickel from low-sulfur Ni-Cu matte at atmospheric pressure was presented. Firstly, the acid......
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Trans. Nonferrous Met. Soc. China 23(2013) 2422-2430 Synthesis of nickel ferrite precursors from low grade nickel matte Li-hua HE1, Zhong-wei ZHAO1, You-xin ZHANG1,2 1. School of Metallurgy...(C2O4)3·6H2O were obtained via co-precipitation method with low grade nickel matte as the raw material. Thermodynamic analysis of NiCl2-FeCl2-(NH4)2C2O4-H2O system for precipitation identified......
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Nickel leaching from low-grade nickel matte using aqueous ferric chloride solutionZhi-Qiang Ning,Hong-Wei Xie,Qiu-Shi Song,Hua-Yi Yin,Yu-Chun ZhaiSchool of Metallurgy,Northeastern University摘 要:Nickel leaching from low-grade nickel matte(LGNM) using aqueous ferric chloride solution was studied.The influence of factors such as leaching temperature......
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......
低冰镍元素与物相分析 通过XRF对样品进行元素分析,得到的低冰镍主要由铁,镍,铜,钴和硫等元素组成,具体成分如表1所示. 表1 低冰镍主要化学成分 Table 1 Chemical composition of low nickel matte (mass fraction, %) 对低冰镍进行XRD物相分析,确定其主要由...;XRD pattern of low nickel matte 图2 低冰镍金相照片,SEM像和EDS元素面扫描 Fig. 2 OM photo (a), SEM image(b) and EDS-mapping for elements ((c)-(g)) of low-nickel matte 2.2 浸出液的温度和浓度对于低冰镍反应界面产物组成及微观形貌的影响 图3......
Fe3O4中. 表1 低冰镍主要化学成分 Table 1 Main chemical composition of low nickel matte (mass fraction, %) 图1 低冰镍的XRD谱 Fig. 1 XRD pattern of low nickel matte 1.2 实验仪器及分析 实验仪器:TTR3型X射线...的浓度. 图2 低冰镍的SEM像和面扫描 Fig. 2 SEM image (a) and surface scanning images (b) of low nickel matte 表2 图2(a)中低冰镍不同区域的能谱分析结果 Table 2 EDS analysis results of low nickel matte......
matte was mentioned and it played an important role in the atmospheric pressure leaching of nickel- copper matte. Low-sulfur Ni-Cu matte mainly contains Ni-Cu alloy and a small quantity of sulfides... was the low-sulfur Ni-Cu matte, which was obtained from high grade Ni-Cu matte by magnetic separation. From the X-ray diffraction analysis, the main phases present in the matte were nickel alloy......
Trans. Nonferrous Met. Soc. China 29(2019) 2202-2212 Extraction of valuable metals from low nickel matte by calcified roasting-acid leaching process Shu-hua GENG, Guang-shi LI, Yong ZHAO, Hong-wei...; accepted 11 August 2019 Abstract: A calcified roasting-acid leaching process was developed as a highly effective method for the extraction of valuable metals from low nickel matte in the presence of CaO......