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J. Cent. South Univ. (2012) 19: 1808-1812 DOI: 10.1007/s11771-012-1212-1 Extraction of metals from a zinc smelting slag using two-step procedure combining acid and ethylene diaminetetraacetic acid... such as Cd, Cu, Fe, Pb and Zn from a zinc smelting slag. The results show that the extraction rates of Cd, Cu, Fe and Zn in slag reach 88.3%, 54.1%, 69.6% and 54.7%, respectively, while the extraction......
Trans. Nonferrous Met. Soc. China 28(2018) 783-793 Thermodynamics and kinetics of fluoride removal from simulated zinc sulfate solution by La(III)-modified zeolite Yan-qing LAI, Kai YANG, Chao YANG...: To understand the mechanism of fluoride removal from the simulated zinc sulfate solution by the La(III)-modified zeolite, the adsorbent was characterized by XRD, SEM and EDS. The effects of absorbent dose......
adsorbent in industrial zinc sulfate solution with different fluoride ion mass concentrations 5 结论 1) 实验制备所得硫酸镁改性铝基吸附剂的物相包括AlOOH,MgAl2O4,MgAl2(OH)8和Mg0.338Al2.408O4,以层状氢氧化物为主,具有物相和结构优势. 2) 将硫酸镁改性铝基... fluoride concentration[J]. Hydrometallurgy, 2014, 141: 31-35. [3] LAI Yanqing, YANG Kai, YANG Chao, et al. Thermodynamics and kinetics of fluoride removal from simulated zinc sulfate solution by La......
Electroplating zinc transition layer for electroless nickel plating on AM60 magnesium alloys WANG Xiao-min(王晓民)1, ZHOU Wan-qiu (周婉秋)1,2, HAN En-Hou(韩恩厚)2 1. College of Chemistry and Life Science...: Electroplating zinc coating as transition layer of electroless nickel plating on AM60 magnesium alloys was investigated. The zinc film can be deposited in a pyrophosphate bath at 50-60 ℃ under......
J. Cent. South Univ. Technol. (2011) 18: 881-888 DOI: 10.1007/s11771-011-0777-4 Deterioration of concrete in railway tunnel suffering from sulfate attack LONG Guang-cheng(龙广成)1, XIE You-jun(谢友均)1... to aggressive sulfate medium in practice, detailed field investigations and tested analysis on sprayed concrete linings of approximately 40-year-old railway tunnels in environments containing sulfate ion were......
, 李存兄, 邓志敢, 李兴彬. 含氟,氯硫酸锌溶液中锌与氟氯分离的方法: 中国, 201010584552.3[P]. 2011-04-20. WEI Xu, LI Cun-xiong, DENG Zhi-gan, LI Xing-bin. Method to Separate zinc with F,Cl from zinc sulfate solution: China...: China, 201210009592.4[P]. 2012-06-27. [12] 曾 勇. 用活性氧化铝脱除硫酸锌溶液中氟的方法: 中国, 201110182683.3[P]. 2011-01-02. ZENG Yong. A method to use activated Al2O3 to removal F from zinc sulfate: China......
" 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...A new approach to zinc–nickel separation using solution alkalinization method:application to a zinc plant residueMostafa Aghazadeh Ghomi1,Javad Moghaddam2,Naghi Parvini Ahmadi11. Materials......
Zn(Ⅱ)-(NH4)2SO4-H2O体系中锌的电积宋丹娜1,张鹏2,唐谟堂3(1.北京市环境科学研究院2.中南大学 冶金科学与工程学院,长沙 4100833.中南大学 冶金科学与工程学院, 长沙 410083)摘 要:研究采用Zn(Ⅱ)-(NH4)2SO4-H2O体系从高氟和氯锌烟尘中回收锌新工艺的电积过程.结果表明,在阴极电流密度400A·m-2,温度60℃,起始Zn2+浓度60g·L-1,异极矩3cm,时间4h的最佳电积条件下,所得电锌品位>99.97%,阴极锌析出率为83.09%,电流效率92.8......
that condition revealed that zinc hydroxysulfate, Zn4SO4(OH)6·5H2O and zincite, ZnO were the main corrosion products in the presence of Na2SO4 while ammonium zinc sulfate, (NH4)2Zn(SO4)2, Zn4SO4(OH)6...; Zn4SO4(OH)6?5H2O+8NH3+7H2SO4 (8) So ammonium zinc sulfate, (NH4)2Zn(SO4)2 and zinc hydroxysulfate, Zn4SO4(OH)6·5H2O present in zinc corrosion layer. As can be seen......
