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and cobalt. With 10%DDPA in cyclohexane as extractant, the separation coefficient for Ni-Co could reach 1.20×105 through two-step extraction and two-step scrubbing. Key words: free radical addition；di... extractant[R]. Woodland Park: Cytec Industries Inc, 2008. [15] 王成彦, 胡福成. Cyanex272 在镍钴分离中的应用[J]. 有色金属, 2001, 53(3): 1-4.WANG Cheng-yan, HU Fu-cheng. Application of Cyanex 272 to Co/Ni separation[J......
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Separation efficiency of alumina particles in Al melt under high frequency magnetic field GUO Qing-tao(郭庆涛)1, CAO Zhi-qiang(曹志强)2, ZHANG Zhong-tao(张忠涛)2, LI Ting-ju(李廷举)2, JIN Jun-ze(金俊泽)2, HONG...; Abstract: The effects of separation time and magnetic induction intensity on the separation efficiency of alumina particles......
Separation and Enrichment of Rare Earth Elements in Phosphorite in Xinhua, Zhijin, Guizhou Zhang Jie1,Shun Chuanmin2,Yang Guofeng1,Xie Fei1 (1.Mineral Industry College, Guizhou University, Guiyang... be reached 85.44%, having certain reference value. Key words:rare earth elements; phosphorites; separation and enrichment; [全文内容正在添加中] ......
time is 90 min. Under the conditions, extractions of Ni and Co reach 91.5% and 82.3%, respectively. Key words: nickel laterites; nickel; cobalt; chloridizing segregation; magnetic separation... size of 74 μm, and subjected to a wet magnetic separation with 0.2 T magnetic field strength to obtain Ni and Co con-centrate. The Ni and Co in the concentrate were analyzed by atomic absorption......
添加碳化钨和石墨改善真空熔覆Ni-Co基合金涂层的极化行为杨贵荣1,宋文明1,2,王建儒1,张玉福1,2,王富强1,马颖11. 兰州理工大学省部共建有色金属先进加工与再利用国家重点实验室2. 甘肃蓝科高新石化装备股份有限公司摘 要:采用真空熔覆技术在45#钢表面制备了不同Co含量的Ni-Co基合金熔覆层及Ni-Co+WC,Ni-Co+WC+Graphite复合熔覆层,研究了涂层在3.5%NaCl溶液中的电化学行为.结果表明,在ZG45表面制备的Ni-Co基合金熔覆层的自腐蚀电位随Co含量的增加而升高,其自腐蚀电位相比ZG45至少提高了4.98%,腐蚀电流则降低了74.93%.在Ni-Co基合金熔覆层中添加WC和石墨(G)后其自腐蚀电位提高:同时添加WC和G时的自腐蚀电位相比只添加WC时提高了32.39......
they are easy to be stripped. The typical example, di-2, 4, 4-trimethylpentylphosphinic acid (trade name is Cyanex 272) possesses excellent extraction performance for separation of Co/Ni, rare earths... Dialkyl phosphinic acids: Synthesis and applications as extractant for nickel and cobalt separation LI Lin-yan(李林艳)1, 2, XU Sheng-ming(徐盛明)1, JU Zhong-jun(居中军)1, ZHANG Zhang (张 章)3, LIAO Fu-hui(廖......
Comparison of coal separation characteristics based on different separating approaches in dry coal beneficiation flowsheetHE Jing-feng(贺靖峰)1, 2, ZHAO Yue-min(赵跃民)1, 2, HE Ya-qun(何亚群)2, LUO Zhen-fu(骆... Utilization of Ministry of Education(China University of Mining and Technology), Xuzhou 221116, China)Abstract:The separation characteristic of raw coal from Luoyang mining area, China, was investigated......
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.采用XRD,TEM和MTS-810万能材料试验机对其微观结构和力学性能进行分析.结果表明:两种合金分别是单相FCC结构和FCC与HCP共存的双相结构.固溶强化和晶粒细化的作用使两种Ni-Co合金都具有很高的抗拉强度；且Co元素的引入降低材料的层错能,提高其应变硬化能力,使Ni-Co合金的塑性也明显提高；Ni-49.2 %Co合金的抗拉强度(σb)和断裂伸长率(δ)分别为1 650 MPa和9...; 文献标志码:A Mechanical properties of nanocrystalline Ni-Co alloy with different microstructures QIN Li-yuan1, LIAN Jian-she2, JIANG En-chen1, LIU Zhong-yuan1 (1......
