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Non-living Biomass of Water Hyacinth Roots as a Sorbent for Chromium (III) in Aqueous Solution


Citation

Low, K. S. and Lee, C. K. (1997) Non-living Biomass of Water Hyacinth Roots as a Sorbent for Chromium (III) in Aqueous Solution. Pertanika Journal of Science & Technology, 5 (2). pp. 147-155. ISSN 0128-7680

Abstract / Synopsis

The ability of the non-living biomass of water hyacinth roots, Eichhomia crassipes, to remove Cr(III) has been studied at different concentrations, pH levels and in the presence of Na and Ca ions in an attempt to simulate the real conditions of tannery waste. Ca ions exhibited a greater inhibitory effect on the Cr(III) sorption than the Na ions. Kinetic studies showed that more than one mode of sorption was operating in the uptake of Cr(III) by water hyacinth roots. The equilibrium data obeyed Langmuir isotherm for the Cr(III)-water hyacinth root system, implying mono-layer coverage of the sorbent material.


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Additional Metadata

Item Type: Article
Divisions: Faculty of Environmental Studies
Publisher: Universiti Putra Malaysia Press
Keywords: water hyacinth roots. sorbent. chromium (ill). tannery waste
Depositing User: Nur Izzati Mohd Zaki
Date Deposited: 25 Nov 2009 12:56
Last Modified: 27 May 2013 15:07
URI: http://psasir.upm.edu.my/id/eprint/3325
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