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As2O3 could reach 98.7%, while the indium could be enriched in the leaching residue without loss. Key words: arsenic leaching; arsenic removal; arsenic trioxide; arsenate; arsenic recovery Cite... will complicate the process of recovering other metals of interest [4]. Therefore, arsenic removal from different ores/secondary resources prior to metal extraction has always been a topic for related......
removal 1 Introduction Arsenic contamination is a worldwide problem, and the safe treatment of arsenic is becoming a focus. The current method to treat arsenic is to transform arsenic into insoluble... result in the formation of new arsenic species, such as Cd3(AsO4)2, As3SbO6 and As2Sb2O6. The removal of arsenic strongly depends on the species of arsenic. Secondary zinc oxide was a representative......
]. The Chinese Journal of Nonferrous Metals, 2008, 18(S1): 59-63. [6] 易 宇, 石 靖, 田庆华, 郭学益. 高砷烟尘氢氧化钠-硫化钠碱性浸出脱砷[J]. 中国有色金属学报, 2015, 25(3): 806-814. YI Yu, SHI Jing, TIAN Qing-hua, GUO Xue-yi. Arsenic removal.... Comprehensive utilization method of arsenic filtration cake: CN 851042[P]. 1986-05-10. [12] 陈 云. 硫化法从砷滤饼中分离砷的试验研究[J]. 湿法冶金, 2010, 28(4): 233-235. CHEN Yun. Test research on removal of arsenic from......
that all iron and arsenic is removed from solution. The purified solution from the proposed iron removal process can go to a similar process for precipitation of zinc, in two-stages, to produce a zinc... Two-stage precipitation process of iron and arsenic from acid leaching solutions N. J. BOLIN, J. E. SUNDKVIST Boliden Mineral AB, SE-936 81 Boliden, SWEDEN Received 20 September......
after cleaning-up arsenic and antimony [J]. Non-ferrous Metal (Extractive Metallurgy), 1995(4): 9-11. (in Chinese) [5] GUO Zhong-cheng, YAN Jiang-feng, YANG Xian-wan. Mechanism of Sb203 in removal... Behavior of arsenic in zinc electrowinning YU Xiao-hua(俞小花)1, XIE Gang(谢 刚)1, LI Rong-xing(李荣兴)1, LI Yong-gang(李永刚)2, LU Ying(陆 莹)1 1. Faculty of Metallurgical and Energy Engineering, Kunming......
Valence variation of arsenic in bioleaching process of arsenic-bearing gold ore CUI Ri-cheng(崔日成), YANG Hong-ying(杨洪英), CHEN Sen(陈 森), ZHANG Shuo(张 硕), LI Ke-feng(李科峰) School of Materials... resistance for the As3+ and As5+ and converting conditions from As3+ to As5+ were analyzed. The additive was used to prompt the bacterial leaching efficiency by changing valence state of arsenic......
is widely applied to preparing arsenious acid, arsenic trioxide and arsenite from waste acid in chemical industry. For example, LINDROOS and VIRTANEN [1] have found the method for the removal of arsenic... before and after concentration and crystallization can be seen from Table 3, from which the removal rates of arsenic, copper, antimony and bismuth can be calculated to be 83.9%, 87.1%, 21.0% and 84.7......
]. 化工冶金, 2000, 21(4): 359-362. FANG Zhao-heng, SHI Wei, HAN Bao-ling, XIA Guang-xiang. Removal of arsenic from high arsenic solutions by scorodite precipitation[J]. Engineering Chemistry & Metallurgy, 2000, 21(4): 359-362. [8] OEHMEN A, VALERIO R, LANOS J, FRADNHOJ, SERRAS, MARIAA, REIS M, JOAO, CRESPOG, SVETLOZAR V. Arsenic removal from drinking water through a hybrid ion exchange membrane......
图分类号:O647.3 文献标志码:A 文章编号:1672-7207(2010)02-0416-06 Removal performance of arsenic by carbon...) Abstract: The removal efficiencies of arsenic from solution by ionic liquids loaded carbon nanotubes (ILs/CNT) composite adsorption material was investigated by static and dynamic adsorption......
Removal of Arsenic from Multicomponent Solution郁强,黄文梅摘 要:ＲｅｍｏｖａｌｏｆＡｒｓｅｎｉｃｆｒｏｍＭｕｌｔｉｃｏｍｐｏｎｅｎｔＳｏｌｕｔｉｏｎＹｕＱｉａｎｇａｎｄＨｕａｎｇＷｅｎｍｅｉ(郁强)(黄文梅)(ＧｅｎｅｒａｌＲｅｓｅａｒｃｈＩｎｓｔｉｔｕｔｅｆｏｒ,ＮｏｎｆｅｒｒｏｕｓＭｅｔａｌｓ,Ｂｅｉｊｉｎｇ...关键词:......
