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- W198039843 abstract "The study was carried out was to investigate the ability of oil palm root as biosorbent for different heavy metals in aqueous solution under different conditions. The effect of physico-chemical parameters, namely pH and metal ion concentration on the removal efficiency were investigated. Behaviour of mixed metal ion biosorption and desorption using oil palm root were studied. Investigation and comparison were made for the metal-binding capacity and the performance of biosorbent in the function of aforesaid paraments, through isotherm models, namely Langmuir, Freundlich and Dubinin-Radushkevich models. The results show that the equilibrium data of Cu and Pb fit well to all isotherm models except that of Zn metal ion. The removal efficiency of metal ions is strongly affected by pH and metal ion concentration. The biosorption capacity increases sharply from pH 6.0 to 7.0 while the pH < 3.0 inhibits the biosorption of metal ions. The maximum biosorption is 31.11 mg/g at pH 7.0. The uptake capacity, qe of Cu and Pb increases from 50 mg/L to 200 mg/L, while the uptake capacity of Zn increases from 50 mg/L to 150 mg/L. The results of this study imply that oil palm root is a suitable biomass to remove Cu, Zn and Pb metal ion from aqueous solution." @default.
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- W198039843 date "2014-01-01" @default.
- W198039843 modified "2023-09-26" @default.
- W198039843 title "Oil palm root as biosorbent for heavy metals: Biosorption, desorption and isothermal studies" @default.
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