Equilibrium, kinetic and isotherm of some metal ion biosorption
作者： Mehrorang Ghaedi , Shaaker Hajati , Farahnaz Karimi , Behnaz Barazesh , Gholamreza Ghezelbash
DOI: 10.1016/J.JIEC.2012.11.021
关键词: Freundlich equation 、 Endothermic process 、 Biosorption 、 Ion 、 Metal ions in aqueous solution 、 Trichoderma reesei 、 Metal 、 Inorganic chemistry 、 Chemistry 、 Langmuir 、 Chromatography
摘要: Trichoderma reesei was used as a biosorbent for the removal of Co2+, Cu2+, Ni2+, Pb2+ and Zn2+ ions. The influence factors such pH, mass biomass, contact time temperature on biosorption efficiency optimized. To calculate isotherm parameters ions at optimized conditions, experimental equilibrium data were fitted to Langmuir Freundlich models. calculated thermodynamic parameters, ΔG°, ΔH° ΔS° showed that onto T. biomass feasible, spontaneous endothermic conditions. results kinetic analysis selected metal obeys pseudo second order kinetics.
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