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with sulfate acid and ion exchange resin, and the magnesium was separated by precipitation with ammonia. The effects of pH value, temperature, time, resin amount, flowing rate of brine and ratio of height... for boron and magnesium from salt lake brine and preparation of high-purity magnesium oxideYU Pei-feng, YANG Xi-yun, XU Hui, SHI Xi-chang, CHEN Ya, YAN Guo-chun(School of metallurgical Science......
of magnesium sulfate modified aluminum-based adsorbent[J]. Journal of Central South University(Science and Technology), 2021, 52(6): 2032-2039.... 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......
Trans. Nonferrous Met. Soc. China 31(2021) 288-296 Leaching behaviors of calcium and magnesium in ion-adsorption rare earth tailings with magnesium sulfate Bo FAN1,2, Long-sheng ZHAO1,3, Zong-yu... behaviors of calcium and magnesium in the rare earth tailings leached with magnesium sulfate using deionized water, CaCl2 solution and lime water were investigated. Experimental data indicated that magnesium......
. [7] 张云清, 余红发, 孙伟, 等. MgSO4腐蚀环境作用下混凝土的抗冻性[J]. 建筑材料学报, 2011, 14(5): 698-702. ZHANG Yunqing, YU Hongfa, SUN Wei, et al. Frost resistance of concrete under action of magnesium sulfate attack[J]. Journal...; 文献标志码:A 文章编号:1672-7207(2016)09-3208-09 Damage degradation law of concrete in sulfate solution and freeze-thaw environment JIANG Lei1......
Removal of SO42-, uranium and other heavy metal ions from simulated solution by sulfate reducing bacteria WANG Qing-liang(王清良)1, 2, DING De-xin(丁德馨)2, HU E-ming(胡鄂明)2, YU RUN-lan... and results in the groundwater contamination. The effects of pH values of the simulated solution on the reduction of SO42- and the removal of uranium and other heavy metal ions by sulfate reducing bacteria(SRB......
Treatment of simulated wastewater from in situ ching uranium mining byzerovalent iron and sulfate ducing bacteria YI Zheng-ji(易正戟)1, 2, LIAN Bin(连 宾)1, YANG Ying-qun(杨颖群)2, ZOU Jian-ling(邹建陵)2 1...) and sulfate reducing bacteria (SRB) can function synergistically and accelerate pollutant removal. Batch experiments suggest that combining ZVI with SRB can enhance the removal of U(Ⅵ) synergistically......
directly on AZ91D magnesium alloy by an acid-sulfate nickel bath. Nickel sulphate and sodium tungstate were used as metal ion sources and sodium hypophosphite was used as reducing agent. The coating... on AZ91D magnesium alloy was deposited [13] using nickel sulfate as nickel sources after the alloy was pickled in an acid solution of chromium oxide and activated in HF solution to form MgF2 film......
concentration of cerium sulfate is 10 g·L-1 in the solution; the open circuit potential of the magnesium sample moves up to positive direction about 100 mV, the surface of conversion film becomes even...Preparation and Performance of Rare Earths Chemical Conversion Film on Magnesium Alloy于升学,吕巧艳,韩婧,张占伟,张倩云摘 要:<正>Golden yellow cerium conversion film......
Electrolyte Optimization of Microarc Oxidation of Magnesium Alloy WANG Ji-hui1,FANG Da-ran1,YANG Jing1 (1.College of Materials Science and Engineering, Tianjin University, Tianjin, 300072, P. R.. China) 摘要:Magnesium alloy AZ91D was processed respectively in one, two, three and four-component electrolytes by using AC microarc oxidation technique. The corrosion resistance of AZ9 1D alloy......
Hereditary transmission of AZ91D magnesium alloy ZHAO Yu(赵宇)1, 2, CHEN Li(陈莉)1, ZHOU Hong(周宏)2 1. School of Materials Science and Engineering, Changchun University of Technology, Changchun...> Abstract: The magnesium ingots from factory A, B and C were remelted. The microstructure and property of un-remelted and remelted magnesium ingots were investigated. The results indicate......