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. WAN Wen-yu, CHEN Wei, HUANG Shun-hong, SUN Jian-de, LI Qian. Antimony oxidation removal from arsenic alkali residue leaching solution[J]. Nonferrous Metals (Extractive Metallurgy), 2015(8): 6-9. [2] 韦岩松, 杨宗朝. 从砷碱渣中浸出砷的试验研究[J]. 湿法冶金, 2014, 33(5): 371-374. WEI Yan-song, YANG Zong-chao. Leaching of arsenic from arsenic-alkali residue[J]. Hydrometallurgy, 2014, 33(5): 371-374. [3] 陈白珍, 王中溪, 周竹生, 胡干武, 仇勇......
cyanide leaching can reach Pt 96%, Pd 98% and Rh 92% respectively. Key words: platinum-group metals; spent auto-catalysts; pressure alkali treatment; pressure cyanide leaching 失效汽车废催化剂是当... by method of pressure alkaline treatment-cyanide leaching HUANG Kun, CHEN Jing, CHEN Yi-ran, ZHAO Jia-chun, LI Qi-wei, YANG Qiu-xue (Kunming Institute of Precious Metals, Kunming 650221, China......
J. Cent. South Univ. (2020) 27: 27-36 DOI: https://doi.org/10.1007/s11771-020-4275-4 Kinetics of leaching lithium from lepidolite using mixture of hydrofluoric and sulfuric acid WANG Hai-dong(王海东)1... shows great potential in leaching lithium (Li) from lepidolite. Leaching kinetics of Li in a mixture of sulfuric acid and hydrofluoric acid, which is a typical lixivant for the fluorine-based chemical......
oxidative leaching. Based on the mineralogical analysis, the leaching behavior of pretreated alloy was further discussed. Key words: cobalt white alloy; alkali roasting; desilication; pretreatment... 焙烧碱用量对预处理后钴白合金常压酸浸的影响 Fig. 5 Effect of alkali dosage in roasting on atmospheric leaching of pretreated cobalt white alloy 2.3 碱焙烧温度 在焙烧碱用量为理论量的0.64倍条件下,分别考察了焙烧温度对白合金焙烧渣水洗脱硅及进一步常压酸浸的影......
程简单,清洁,生产成本低,具有产业化前景. 关键词:高砷烟尘碱浸渣；硫化钠浸出；空气氧化；焦锑酸钠 中图分类号:TF09 文献标志码:A Novel technology for preparation of sodium pyroantimonate from alkali leaching residue of high arsenic... and air oxidation, was proposed to prepare sodium pyroantimonate from alkali leaching residue of high arsenic dust. The results show that the leaching efficiency of antimony is 84.81% under......
Trans. Nonferrous Met. Soc. China 29(2019) 416-423 Efficient separation of alumina and silica in reduction-roasted kaolin by alkali leaching Xiao-bin LI, Hong-yang WANG, Qiu-sheng ZHOU, Tian-gui QI, Gui-hua LIU, Zhi-hong PENG, Yi-lin WANG School of Metallurgy and Environment, Central South University, Changsha 410083, China Received 23 December 2017; accepted 2 May 2018 Abstract: Alkali leaching......
,and amount of alkali on the leaching rates of rare earth were investigated. The rare earth elements recovery rates are observed to increase rapidly, particularly with increases in rotational speed...Study on alkali mechanical activation for recovering rare earth from waste fluorescent lampsLing He1,2,Wen Ji1,Yanwei Yin1,Weimin Sun1,21. State Key Laboratory of Advanced Processing and Recycling......
,and amount of alkali on the leaching rates of rare earth were investigated. The rare earth elements recovery rates are observed to increase rapidly, particularly with increases in rotational speed...Study on alkali mechanical activation for recovering rare earth from waste fluorescent lampsLing He1,2,Wen Ji1,Yanwei Yin1,Weimin Sun1,21. State Key Laboratory of Advanced Processing and Recycling......
time nearly had no effect on the dissolution of impurities in leaching liquor. Therefore, leaching time should be controlled in 4 h for a lower energy consume. In Table 3, alkali gangue (CaO+MgO) and Fe... Leaching of low grade zinc oxide ores in Ida2--H2O system DOU Ai-chun, YANG Tian-zu, YANG Ji-xing, WU Jiang-hua, WANG An School of Metallurgical Science and Engineering, Central South University......
of the important vanadium sources in China. The brief flow of the classical process leaching vanadium from stone coal includes chloridizing roasting, water leaching, deposition, alkali melting and thermal... Leaching vanadium by high concentration sulfuric acid from stone coal CHEN Xiang-yang(陈向阳)1, 2, LAN Xin-zhe(兰新哲)1, 2, ZHANG Qiu-li(张秋利)1, MA Hong-zhou(马红周)1, ZHOU Jun(周 军)1 1. School......
