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parameters on content of products residue chlorine in preparation process of Co3O4 powder by spray roasting technology GUO Qiu-song, GUO Xue-yi, TIAN Qing-hua (School of Metallurgical Science and Engineering... cobalt chloride solutions as the sole materials. In order to reveal the control method of raising the raw material conversion ratio to achieve purpose of the lower residue chlorine value and the high......
均,主要集中在夏季,占全年降雨量的45%~60%. 1.2 样品采集 图1 赤泥堆场样点分布图 Fig. 1 Distribution of sampling point in bauxite residue disposal areas 2014年8~10月,选择已闭库的赤泥堆场为研究区域,赤泥均为拜耳法赤泥(用拜耳法生产工艺提炼铝土矿产生的赤泥).根据堆置...对应的赤泥排放年份见表1. 表1 赤泥堆场采样点堆存时间 Table 1 Discharge years of bauxite residue in BRDAs 1.3 样品分析 制备赤泥水比为1:5的浸出液,盐分含量用烘干残渣-质量法测定[15],pH用pH计(雷磁PHS-3C型)测定[15],EC值用电导率仪(雷磁DDS-307型)测定[15],双指示剂中......
Bonding mechanism of ultrasonic wedge bonding of copper wire on Au/Ni/Cu substrate TIAN Yan-hong(田艳红)1, WANG Chun-qing(王春青)1, Y. Norman ZHOU2 1. State Key Laboratory of Advanced Welding...; Abstract: The ultrasonic wedge bonding with d25 μm copper wire was achieved on Au/Ni plated Cu substrate at ambient temperature. Ultrasonic wedge bonding mechanism was investigated......
Trans. Nonferrous Met. Soc. China 23(2013) 1512-1519 Effect of mechanical activation on dissolution kinetics of neutral leach residue of zinc calcine in sulphuric acid Xuan-hai LI1, Yan-juan ZHANG 2.... Department of Chemistry and Biology, Hechi College, Yizhou 546300, China Received 16 April 2012; accepted 25 June 2012 Abstract: Neutral leach residue of zinc calcine (NLRZC) was mechanically......
, 王超, 等. 综合处理铜选矿尾渣和镍熔融渣的工艺研究[J]. 稀有金属, 2014, 38(1): 108-114. YUAN Shouqian, DONG Jie, WANG Chao, et al. Comprehensive Treating Copper Tailing and Nickel residue[J]. Chinese Journal of Rare Metals, 2014... to treat copper slag by rotary hearth furnace direct reduction CAO Zhicheng1, 2, SUN Tichang1, XUE Xun1, 2, LIU Zhanhua1, 2 (1. Key Laboratory of Ministry of Education for Efficient Mining and Safety......
" name="ChDivSummary">The present investigation involves the separation of zinc and nickel from a sulfate solution using the acidic leaching of zinc plant residue after cadmium removal step......
The use of computational thermodynamic for yttrium recovery from rare earth elements-bearing residueAmilton Barbosa Botelho Junior,Denise Crocce Romano Espinosa,Jorge Alberto Soares TenorioDepartment of Chemical Engineering,Polytechnic School,University of Sao Paulo摘 要: ......Aging precipitation and recrystallization in re-aged copper alloy
来源： 《中国有色金属学报(英文版)2005年第z3期》——刘平 雷静果 田保红 郅晓 任凤章
Inhibition behavior of some new mixed additives upon copper electrowinning YU Run-lan(余润兰)1, 2, LIU Qing-ming(刘清明)3, QIU Guan-zhou(邱冠周)1, 2, FANG Zheng(方 正)3 , TAN Jian-xi(谭建锡)1, 2, YANG Peng(杨...: As thiourea and sulfur-containing mixed additives contaminate cathodic copper, inhibition behavior of some new mixed additives such as gelatin+hexadecylpyridinium bromide (HDPBr), gelatin+polyethylene......
