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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. (2012) 19: 1311-1316 DOI: 10.1007/s11771-012-1143-x Generic reconstruction technology based on RST for multivariate time series of complex process industries KONG Ling... to effectively analyse the multivariate time series data of complex process, a generic reconstruction technology based on reduction theory of rough sets was proposed. Firstly, the phase space of multivariate......
/10.1016/j.fuel.2006. 11.025 [41] YlLDlRlM G, TOKALlOGLU S. Heavy metal speciation in various grain sizes of industrially contaminated street dust using multivariate statistical analysis [J]. Ecotoxicology...; (6) where X is one kind of heavy metal; LCX is the leaching content of HMs, mg/kg; TCX is the total content of HMs, mg/kg. 3 Results and discussion 3.1......
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......
Comparison of heavy metal removal efficiencies infour activated sludge processesYANG Jun(杨军), GAO Ding(高定), CHEN Tong-bin(陈同斌), LEI Mei(雷梅), ZHENG Guo-di(郑国砥), ZHOU Xiao-yong(周小勇)(Center..., Pb and Zn) were investigated in the 17 operating municipal wastewater treatment plants (WWTPs) and compared with those in four main activated sludge processes. Significant differences of heavy metal......
Spectroscopic Properties and Judd-Ofelt Theory Analysis of Er3+-Doped Heavy Metal Oxyfluoride Silicate Glass 胡丽丽1,徐时清1,杨中民1,姜中宏1,张军杰1,戴世勋1 (1.Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China) Abstract:Er3+-doped heavy metal oxyfluoride silicate glass was fabricated and characterized, and the absorption spectrum and fluorescence spectrum......
the mixture was placed in shaking bed under shaking rate of 125 r/min. Then up-clear solution was taken and filtrated, and the concentrations of heavy metal ions were analyzed by atom absorption... in alkaline solution, hydrates formed with hydrolyzation of heavy metal ions precipitate on the surface of sludge, and can decrease the biosorption activity. Biosorption rates of Cu2+, Zn2+ and Cd2......
Selective removal of heavy metal ions from aqueous solutions with surface functionalized silica nanoparticles by different functional groupsKONG Xiang-feng(孔祥峰)1, 2, 3, YANG Bin(杨斌)1, 3, XIONG Heng(熊...+, the 1,8-Diaminoaphalene functionalized silica nanoparticles was excellent for removal of Hg2+ at room temperature, respectively.Key words:industrial silica fume; surface functionalization; heavy metal......
] and multivariate analysis (PCA) [21] were applied for the data set of SS and heavy metal concentrations in sediment samples of the cores. The significance level and KMO and Bartlett’s test of sphericity... two core sediments (C1 and C2) of Xiangjiang River, Chang-Zhu-Tan region, Hunan Province, China. The heavy metal contents are relatively higher, especially for the surface or near the surface layers......
Effect of cyclic drying and wetting on engineering properties of heavy metal contaminated soils solidified/stabilized with fly ashZHA Fu-sheng(查甫生)1, 2, LIU Jing-jing(刘晶晶)2, XU Long(许龙)1, 2, CUI Ke... University of Technology, Hefei 230009, China)Abstract:Solidification/stabilization (S/S) is one of the most effective methods of dealing with heavy metal contaminated soils. The effects of cyclic......
