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Formation of black nickel in leaching solution containing ammonia and chloride ZHENG Guo-qu(郑国渠), ZHENG Li-feng(郑利峰), CAO Hua-zhen(曹华珍) (College of Chemical Engineering and Materials Science, Zhejiang University of Technology, Hangzhou 310014, China) Abstract: The black nickel formation process in leaching solution containing ammonia and chloride was investigated in terms of cyclic......
J. Cent. South Univ. (2012) 19: 340-346 DOI: 10.1007/s11771-012-1010-9 Extraction of nickel from molybdenum leaching residue of metalliferous black shale by segregation roasting and acid leaching CHU... in the examined conditions is about 99.2%. Key words: metalliferous black shale; segregation roasting; nickel leaching; PC-88A; solvent extraction 1 Introduction Metalliferous black shale is organic......
Flat Absorber Phosphorous Black Nickel Coatings for Space ApplicationsV.Maria Shalini,P.Arockiasamy,R.Uma Rani,A.K.Sharma摘 要:A new process of flat absorber black nickel alloy coating was developed on stainless steel by electrodeposition from a bath containing nickel,zinc and ammonium sulphates;thiocyanate and sodium hypophosphite for space......
produced by the treatment of titanomagnetites in iron and steel industry and black shale. Black shale is carbonaceous shale with several valuable metals, such as vanadium, nickel, molybdenum and silver... Recovery of vanadium from black shale LI Cun-xiong(李存兄), WEI Chang(魏 昶), DENG Zhi-gan(邓志敢), LI Min-ting(李旻廷), LI Xing-bin(李兴彬), FAN Gang(樊 刚) College of Metallurgical and Energy Engineering......
Biohydrometallurgy applied to exploitation of black shale resources: Overview of Bioshale FP6 European project P. D’HUGUES, P. SPOLAORE, Bioshale Consortium BRGM, EPI/Eco, 3... in October 2007. The main objective of this project was to define innovative biotechnological processes for "eco-efficient" exploitation of black shale ores. The black shale ores contain base, precious......
Research Progress in Solderable Black Pad of Electroless Nickel/Immersion Gold Bi Sifu1,Liu Haiping1,Li Deyu1,Li Ning1 (1.Department of Applied Chemistry, Harbin Institute of Technology, Harbin... or alleviating the "black pad" were also introduced. The development direction and market prospects of ENIG were prospected. Key words:electroless nickel; immersion gold (ENIG); solderability failure......
J. Cent. South Univ. (2020) 27: 2054-2067 DOI: https://doi.org/10.1007/s11771-020-4430-y Swelling characteristics of East-Africa black cotton soil based on computer molecular simulation ZHU Jun..., B4 7ET, UK Central South University Press and Springer-Verlag GmbH Germany, part of Springer Nature 2020 Abstract: Black cotton soil in East Africa is not a stable engineering material for highway......
-black nickel powder was obtained. 2.2.2 Powder characterization The powder morphology was characterized by a scanning electron microscopy(SEM). And the particle size distribution was measured... there is no nucleator in the NiSO4 solution, the reduction of nickel ion is quite slow and only a few black particles are deposited on the wall of the reactor in the initial stage of reaction. After nucleator......
Preparation of fine nickel powders via reduction of nickel hydrazine complex precursors HUANG Guo-yong(黄国勇)1, XU Sheng-ming(徐盛明)1, XU Gang(徐 刚)1, LI Lin-yan(李林艳)1,ZHANG Li-feng(张立...; Abstract: Fine nickel(Ni) powders with controllable particle sizes were synthesized via the reduction of nickel hydrazine......
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......