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of the relative deviations between the simulation value and the field survey result are within ±10%. Key words: sediment; heavy metal pollution; re-release rate; numerical simulation 1 Introduction... pollutants, the sediments will cause secondary pollution to the overlying water in the form of a new source [11]. Therefore, researches focusing on the release of heavy metal pollutants in sediments......
中图分类号:X703.1 文献标志码:A Adsorption of heavy metal ions from aqueous solutions by MgCl2 modified orange peel GUO Xue-yi, LIANG Sha, XIAO Cai-mei, TIAN Qing-hua (School.... The effects of pH, temperature, solid/liquid ratio, adsorption time and metal ion concentration on the removal behavior of individual heavy metals such as Cu2+, Cd2+, Pb2+, Zn2+ and Ni2+ from aqueous solution......
,Cd2+浓度为5 mg/L时的削减率高达96.53%.黑藻对水体中V5+的削减率不高,均都低于20%. 图1 狐尾藻对水样中重金属的削减效果 Fig. 1 Reduction effectiveness of heavy metal in water environment by Myriophyllum verticillatum 综合分析得出:狐尾藻和黑藻对水体中Pb2...65.1%,下降幅度最大. 图2 黑藻对水样中重金属的削减效果 Fig. 2 Reduction effectiveness of heavy metal in water environment by Hydrilla verticillata 表5~8所列分别为黑藻在不同浓度V5+,Pb2+,Cd2+和Cr6+胁迫下的叶绿素a含量.结果表明,随着V5+,Pb2......
程较好地拟合.凹凸棒石与重金属的长期作用反应机制可能是由于凹凸棒石纳米效应和反应活性,表面缓慢水化导致含重金属离子溶液pH值缓慢升高,诱导了Ni2+在凹凸棒石表面沉淀,在凹凸棒石表面形成了氢氧化物或层状双氢氧化物. 关键词:凹凸棒石; 重金属离子; 吸附; 长期作用; palygorskite; heavy metal ion; absorption; long-term reaction......
residue and treatment of heavy metal wastewater in mining and metallurgical area of south China, a novel ceramsite was prepared with the main raw materials of diatomite and tungsten residue... should be controlled mainly by diffusion, and the removal of Cu2+ can be improved by enhancing agitation. Key words: tungsten residue; ceramsite; heavy metal wastewater; Cu2+; adsorption 1 Introduction......
Trans. Nonferrous Met. Soc. China 27(2017) 666-675 Effect of sulfate erosion on strength and leaching characteristic of stabilized heavy metal contaminated red clay Hai-qing ZHANG, Yu-you YANG, Yu.../stabilization (S/S) technology has been widely used for remediation of the heavy metal contaminated soils. The heavy metal ions will be leached from the stabilized contaminated soil under sulfate erosion......
Trans. Nonferrous Met. Soc. China 24(2014) 3316-3323 Mechanical properties of anti-seepage grouting materials for heavy metal contaminated soil Yu-you YANG1, Jian-qiang WANG2, Hai-jun DOU1 1. School... Received 10 July 2013; accepted 20 January 2014 Abstract: Cement-based composite grouting materials were used to construct grouting cutoff wall for heavy metal contaminated soil in non-ferrous metal......
markets. References [1] JIANG B, SUN W. Assessment of heavy metal pollution in sediments from Xiangjiang River (China) using sequential extraction and lead isotope analysis [J]. Journal of Central South... J. Cent. South Univ. (2018) 25: 2929-2943 DOI: https://doi.org/10.1007/s11771-018-3963-9 Industrial transmission effect of international metal price shocks in perspective of industry chain GAO......
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Energy transfer processes from Yb3+ to Ln3+ (Ln=Er or Tm) in heavy metal glassesA.Kos1,I.Czopek1,J.Pisarska1,W.A.Pisarski11. University of Silesia, Institute of Chemistry摘 要:Heavy metal glasses doubly doped with Yb3+ and Ln3+ ions(Ln=Er or Tm) were studied. Glass host matrices were limited to lead borate glass and lead germanate glass. Efficient......
