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]. Hydrometallurgy, 1983, 11(1): 61-78. DOI: 10.1016/0304-386X(83)90016-6. [2] LUO W, FENG Q, OU L, ZHANG G, CHEN Y. Kinetics of saprolitic laterite leaching by sulphuric acid at atmospheric pressure... J. Cent. South Univ. (2020) 27: 3567-3580 DOI: https://doi.org/10.1007/s11771-020-4569-6 Recovery of lead and silver from zinc acid-leaching residue via a sulfation roasting and oxygen-rich......
Trans. Nonferrous Met. Soc. China 22(2012) 2282-2288 Extraction of aluminum by pressure acid-leaching method from coal fly ash WU Cheng-you1, 2, YU Hong-fa1, 3, ZHANG Hui-fang1, 2 1. Qinghai... University of Aeronautics and Astronautics, Nanjing 210016, China Received 27 September 2011; accepted 24 December 2011 Abstract: Aluminum was leached out from coal fly ash by pressure acid-leaching method......
; 明矾石加压酸浸工艺流程 Fig. 1 Flow chart of pressure acid-leaching of alunite ore 2 实验 2.1 实验原料 实验原料来自福建紫金山选铜尾矿中浮选得到的明矾石尾矿,矿样粒度分析结果见表1,其主要化学成分和XRD谱分析结果分别见表2和图2所示.实验所用硫酸为分析纯级98%H2SO4(质量分数),用水均为去... 诚, 傅建国. 高压酸浸技术开发及工程化应用[J]. 世界有色金属, 2014(10): 20-22. LIIU Cheng, FU Jian-guo. Development and engineering application of high pressure acid leaching technology[J]. World Nonferrous Metals, 2014(10......
Extracting vanadium from stone-coal by oxygen pressure acid leaching and solvent extraction DENG Zhi-gan(邓志敢), WEI Chang(魏 昶), FAN Gang(樊 刚), LI Min-ting(李旻廷), LI Cun-xiong(李存兄), LI... ____________________________________________________________________________________________ Abstract: Vanadium extraction from stone-coal was investigated by oxygen pressure acid leaching and solvent extraction......
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Pressure acid leaching of zinc sulfide concentrate GU Yan(古 岩), ZHANG Ting-an(张廷安), LIU Yan(刘 燕), MU Wang-zhong(牟望重), ZHANG Wei-guang(张伟光),DOU Zhi-he(豆志河), JIANG Xiao-li(蒋孝丽) Key... temperature, solid-to-liquid ratio and additive amount on pressure acid leaching process of the zinc sulfide concentrate were studied. The results indicate that the additive can improve the reaction......
J. Cent. South Univ. Technol. (2011) 18: 666-671 DOI: 10.1007/s11771-011-0745-z Pneumatic resistance network analysis and dimension optimization of high pressure electronic pneumatic pressure... of a self-deigned high pressure electronic pneumatic pressure reducing valve (EPPRV) with slide pilot are introduced. The resistance value formulas and the relationship between the resistance and pressure......
J. Cent. South Univ. (2012) 19: 1883-1891 DOI: 10.1007/s11771-012-1222-z Optimal arrangement for pressure measurement points in working chamber of earth pressure balance shield LIU Chang(刘畅)1... scientific basis for pressure dynamic balance control of working chamber of earth pressure balance shield (EPBS), study on optimal arrangement of pressure measurement points in working chamber was conducted......
