Enhanced adsorption of metal ions onto polyethyleneimine-impregnated palm shell activated carbon: Equilibrium studies

Yin, C.Y. and Aroua, M.K. and Daud, W.M.A.W. (2008) Enhanced adsorption of metal ions onto polyethyleneimine-impregnated palm shell activated carbon: Equilibrium studies. Water Air and Soil Pollution, 192 (1-4). pp. 337-348. ISSN 0049-6979, DOI https://doi.org/10.1007/s11270-008-9660-9.

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In this study, palm shell activated carbon was impregnated with polyethyleneimine (PEI) and the effect of impregnation on batch adsorption of Ni2+, Cd2+or Pb2+ as well as the equilibrium behavior of adsorption of metal ions on PEI-impregnated AC were investigated. PEI impregnation evidently increased the single metal adsorption capacities of Ni2+ or Cd2+except for Pb2+, where its adsorption capacities were reduced by 16.67 and 19.55 for initial solution pH of 3 and 5 respectively. This suggested that PEI-impregnated AC could be used for selective separation of Pb2+ ions from other metal ions. The adsorption data of all the metal ions on both virgin and PEI-impregnated AC for both initial solution pH of 3 and 5 generally fitted the Langmuir and Redlich-Peterson isotherms considerably better than the Freundlich isotherm.

Item Type: Article
Additional Information: Cited By (since 1996):6 Export Date: 21 April 2013 Source: Scopus CODEN: WAPLA :doi 10.1007/s11270-008-9660-9 Language of Original Document: English Correspondence Address: Yin, C. 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Uncontrolled Keywords: Adsorption; Isotherms; Metal ions; Palm shell activated carbon; Polyethyleneimine; Carbon Charcoal; Nickel; Shells (structures); Batch adsorption; Equilibrium studies; Palm shell; Polyethylene imine (PEI); Activated carbon; cadmium; lead; metal ion; cation; equilibrium; isotherm; nut; pH; polymer; shell; article; Langmuir Blodgett film.
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TP Chemical technology
Divisions: Faculty of Engineering
Depositing User: Mr Jenal S
Date Deposited: 16 Jul 2013 08:15
Last Modified: 08 Nov 2017 08:36
URI: http://eprints.um.edu.my/id/eprint/7446

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