Thermodynamic characteristics and mechanisms of heavy metals adsorbed onto urban soil
作者： Yue-ming Li , Chun-li Kang , Wei-wei Chen , Lian Ming , Sai Zhang
DOI: 10.1007/S40242-013-2200-1
关键词:
摘要: The thermodynamic characteristics of heavy metals adsorbed onto urban soil and the relative adsorption mechanisms were studied by batch experiment. results show that there existed dynamic adsorption-desorption equilibrium processes cationic anionic ions soil, which may have an impact on pH system. amounts increased with increase concentration, but their not maximum amounts. higher was, greater capacity at same concentration followed order Pb>Cu>Cd>Zn>Ni. There coordination reaction, hydrolysis exchange reaction in soil. With pH, influencing degree different reactions increased, meanwhile effects other physicochemical properties weakened.
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