Journal article
Enhanced adsorption of metal ions onto polyethyleneimine-impregnated palm shell activated carbon: Equilibrium studies
Water, Air, and Soil Pollution, Vol.192(1-4), pp.337-348
2008
Abstract
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.
Details
- Title
- Enhanced adsorption of metal ions onto polyethyleneimine-impregnated palm shell activated carbon: Equilibrium studies
- Authors/Creators
- C-Y Yin (Author/Creator) - Universiti Teknologi MARAM.K. Aroua (Author/Creator) - University of MalayaW.M.A.W. Daud (Author/Creator) - University of Malaya
- Publication Details
- Water, Air, and Soil Pollution, Vol.192(1-4), pp.337-348
- Publisher
- Springer-Verlag
- Identifiers
- 991005542197407891
- Copyright
- 2008 Springer Science and Business Media B.V.
- Murdoch Affiliation
- Murdoch University
- Language
- English
- Resource Type
- Journal article
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- Collaboration types
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- Citation topics
- 2 Chemistry
- 2.90 Water Treatment
- 2.90.27 Adsorption
- Web Of Science research areas
- Environmental Sciences
- Meteorology & Atmospheric Sciences
- Water Resources
- ESI research areas
- Environment/Ecology