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of synergistic extraction of zinc from ammonium sulfate and ammonium chloride systems with mixtures of Mextral54-100 and tri-nalkylphosphine oxide(TRPO) dissolved in n-heptane was described. Various...Synergistic extraction of zinc from ammoniacal solutions using a β-diketone mixed with trialkylphosphine oxideRu-Long Zhu1,2,Xin-Bin Li1,Chang Wei1,Hui Huang1,Min-Ting Li1,Cun-Xiong Li1,Fu-Li Tang11......
铁酸锌粒径分布图 Fig. 2 Particle size distribution of zinc ferrite 表1 不同粒级铁酸锌样品的主要化学成分 Table 1 Typical chemical composition of each size fraction from zinc ferrite 借助XRD和SEM对合成的铁酸锌进行晶... zinc ferrite 图4 合成铁酸锌的SEM像 Fig. 4 SEM images of synthetic zinc ferrite 2.2 实验设备与方法 用JE6001型电子天平(梅特勒-托利多仪器上海有限公司)称取一定量粒级在85~100 μm的铁酸锌,加入GSH-CS型磁力驱动高压釜(威海化工机械有限公司)内,然后加入一定量预定浓度的硫酸溶液,调成矿......
residue by ammonia sulfate roasting-selective leaching[J]. The Chinese Journal of Nonferrous Metals, 2015, 25(9): 2596-2603. [15] GARGUL K, BORYCZKO B. Removal of zinc from dusts and sludges from basic...的化学成分 Table 1 Chemical composition of zinc calcine (mass fraction, %) 图1 锌焙砂的XRD谱 Fig. 1 XRD pattern of zinc calcine 表2 锌焙砂中锌的物相分布 Table 2 Phase distributions of zinc......
on crystallization of ferrous sulfate during stirring 图6 静止时Zn2+浓度对硫酸亚铁结晶的影响 Fig. 6 Effect of zinc ion concentration on crystallization of ferrous sulfate at rest 2.4 Mg2+离子浓度对硫酸亚铁... on crystallization of ferrous sulfate 图10 静止时Mg2+浓度和Zn2+共存时对硫酸亚铁结晶的影响 Fig. 10 Effect of magnesium ion concentration and zinc ion on crystallization of ferrous sulfate at rest 由图9可知,当温度小于160 ℃时,随着Zn2+和......
Recovery of valuable metals from waste diamond cutters through ammonia–ammonium sulfate leachingPing Xue1,2,Guang-qiang Li1,Yong-xiang Yang1,3,Qin-wei Qin1,Ming-xing Wei21. Key Laboratory for Ferrous... of Materials Science and Engineering,Delft University of Technology摘 要:Copper and zinc were recovered from waste diamond cutters through leaching......
Direct electroless Ni-P deposition on AM50 magnesium alloy from sulfate bath LI Guang-yu(李光玉), NIU Li-yuan(牛丽媛), JIANG Zhong-hao(江中浩), GU Chang-dong(谷长栋), LIAN Jian-she(连建设) Key Laboratory... electroless Ni-P deposition on AM50 magnesium alloy in a sulfate plating bath was proposed by using direct plating process with non-chromate pretreatment. The electroless Ni-P plating on AM50 magnesium......
Hangkong University, Nanchang 330063, China; 2. Faculty of Materials and Metallurgical Engineering, Kunming University of Science and Technology, Kunming 650093, China) Abstract: Zinc sulfate solution with high cobalt concentration was used to study the mechanism of cobalt removal. Residues after the cementation process from zinc sulfate solution were analyzed by SEM and electron probe micro......
, it seems an even layer of corrosion products covering on the surface, which can protect the substrate [5]. The increasing sulfur mass fraction indicates that zinc sulfate is formed as product film, which... Trans. Nonferrous Met. Soc. China 22(2012) 228-240 Shot noise analysis on corrosion behavior of zinc alloy (ZnAl4Cu1) under dry-wet cycles CHEN An-na1, CAO Fa-he1, LIU Wen-juan1, ZHENG Li-yun1......
in the zinc calcine, and lead sulfate was also detected. Table 1 Chemical composition of zinc calcine obtained by XRF (wt.%) Fig. 1 XRD pattern of zinc calcine 2.2 Experimental procedure...Trans. Nonferrous Met. Soc. China 30(2020) 2274-2282 Isothermal reduction kinetics of zinc calcine under carbon monoxide Yu-jie CHEN1, Yun-yan WANG1,2, Ning PENG1,2,3, Yan-jie LIANG1,2, Bing PENG1,2......
Dechlorination of zinc dross by microwave roastingWEI Ya-qian(魏亚乾)1, 2, 3, PENG Jin-hui(彭金辉)1, 2, 3, ZHANG Li-bo(张利波)1, 2, 3, JU Shao-hua(巨少华)1, 2, 3, XIA Yi(夏仡)4, ZHENG Qin(郑勤)1, 2, 3, WANG Ya-jian..., Kunming 650093, China;4. Research Centre for Analysis and Measurement,Kunming University of Science and Technology, Kunming 650093, China)Abstract:Traditional treatments of zinc dross have many......
