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to its electrochemical nature by using anodic intensifiers of heavy metal ions (Pb2+, Bi3+, Tl+, Hg2+ and Ag+) on the basis of hydrogen peroxide assistant leaching on three different types of materials... assistant leaching. For the five tested heavy metal ions, Bi3+and Tl+ presented co-intensifying effect on all the three materials, and Hg2+ caused co-intensifying effect on both refractory and easily......
J. Cent. South Univ. (2016) 23: 2205-2213 DOI: 10.1007/s11771-016-3278-7 Soil heavy metal(loid)s and risk assessment in vicinity of a coal mining area from southwest Guizhou, China QIN Fan-xin(秦樊鑫)1... a relationship, and their presence might be mainly related to mining activity, coal and oil combustion, and vehicle emissions. Improved Nemerow index indicated that the overall level of heavy metal......
peel xanthate; adsorption; heavy metals _____________________________________________________________________________________________________ 1 Introduction Heavy metal wastewater exists in various industries, such as metal finishing, electroplating, plastics, pigments and mining, which threatens to the environment and human lives severely[1]. Therefore, it is urgent to remove those toxic heavy......
Influence of sulfur addition/solids content ratio on removal of heavy metals from mine tailings by bioleachingHe Zhong-bing (贺仲兵)1,2, Liao Ting (廖婷)1,2, Liu Yun-guo (刘云国)1,2, Xiao Yu (肖玉)1,2, Li... (Ministry of Education), Hunan University, Changsha 410082, China)Abstract:The effect of sulfur addition/solids content (SA/SC) ratio on heavy metals (e.g. copper, zinc and lead) obtained from mine......
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J. Cent. South Univ. (2016) 23: 2526-2535 DOI: 10.1007/s11771-016-3313-8 Effect of nanotechnology on heavy metal removal from aqueous solution Hoda Kahrizi1, Ali Bafkar1, Masumeh Farasati1, 2 1... the efficiency of the adsorption of cadmium and zinc ions. Key words: cadmium; isotherm model; kinetic adsorption; zinc; nanotechnology 1 Introduction The removal of heavy metal ions from industrial waste......
410082, China Received 27 April 2006; accepted 12 September 2006 Abstract: Biosorption of heavy metal ions, such as Cu2+, Cd2+ and Zn2+, was carried out using waste activated sludge from municipal.... The adsorption behaviors of heavy metal ions all have parabolic relationships with pH value. The optimum pH value is between 6 and 10, and the optimum adsorption time is 1 h. In single heavy metal ion......
Broadband 1.53 μm emission in Er3+-doped Ga-Bi-Pb-Ge heavy metal oxide glasses杨钢锋1,李涛1,21. Key lab of Specially Functional Materials, Ministry of Education, Institute of Optical Communication... and spectroscopic properties of the 1.53 μm emission from 4I13/2→4I15/2 transition of Er3+ ions in Er3+/Yb3+-codoped Ga-Bi-Pb-Ge heavy metal oxide glass for use in broadband fiber amplifiers. It was noted......
Selective removal of heavy metal ions in aqueous solutions by sulfide-selector intercalated layered double hydroxide adsorbentJing Wang1,Liang Zhang1,Tianshu Zhang1,Ting Du1,Tao Li2,Tianli... synthesized for selective heavy metal removal.The intercalation of sulfurated groups in the interlayer of the layered double hydroxide(LDH)nanosheets endows NFL-S as a selective heavy metal ion filter......