Removal of Mercury (II) from Aqueous Solutions Using the Leaves of the Rambai Tree (Baccaurea motleyana)

This study was undertaken to evaluate the biosorption potential of a natural, low-cost biosorbent, Rambai leaves (Baccaurea motleyana), to remove trace amounts of Hg(II) from aqueous solutions. It was found that the amount of Hg(II) biosorption by Rambai leaves increased with initial metal ion conce...

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Main Authors: Sen, Tushar, Azman, A., Maitra, S., Dutta, B.
Format: Journal Article
Published: Water Environment Federation 2011
Online Access:http://hdl.handle.net/20.500.11937/47649
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author Sen, Tushar
Azman, A.
Maitra, S.
Dutta, B.
author_facet Sen, Tushar
Azman, A.
Maitra, S.
Dutta, B.
author_sort Sen, Tushar
building Curtin Institutional Repository
collection Online Access
description This study was undertaken to evaluate the biosorption potential of a natural, low-cost biosorbent, Rambai leaves (Baccaurea motleyana), to remove trace amounts of Hg(II) from aqueous solutions. It was found that the amount of Hg(II) biosorption by Rambai leaves increased with initial metal ion concentration, contact time, and solution pH but decreased as the amount of biosorbent increased. The maximum biosorption capacity was 121.95 mg/g for an initial concentration range of 5 to 120 ppb. Overall, kinetic studies showed that the Hg(II) biosorption process followed pseudo-second-order kinetics based on pseudo-first-order and intraparticle diffusion models. Isotherm data revealed that the biosorption process followed both Freundlich and Langmuir isotherms. The value of separation factor, RL, from the Langmuir equation and rate of biosorption, n, from the Freundlich model also indicated favourable adsorption.
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institution Curtin University Malaysia
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last_indexed 2025-11-14T09:35:18Z
publishDate 2011
publisher Water Environment Federation
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spelling curtin-20.500.11937-476492017-09-13T16:07:59Z Removal of Mercury (II) from Aqueous Solutions Using the Leaves of the Rambai Tree (Baccaurea motleyana) Sen, Tushar Azman, A. Maitra, S. Dutta, B. This study was undertaken to evaluate the biosorption potential of a natural, low-cost biosorbent, Rambai leaves (Baccaurea motleyana), to remove trace amounts of Hg(II) from aqueous solutions. It was found that the amount of Hg(II) biosorption by Rambai leaves increased with initial metal ion concentration, contact time, and solution pH but decreased as the amount of biosorbent increased. The maximum biosorption capacity was 121.95 mg/g for an initial concentration range of 5 to 120 ppb. Overall, kinetic studies showed that the Hg(II) biosorption process followed pseudo-second-order kinetics based on pseudo-first-order and intraparticle diffusion models. Isotherm data revealed that the biosorption process followed both Freundlich and Langmuir isotherms. The value of separation factor, RL, from the Langmuir equation and rate of biosorption, n, from the Freundlich model also indicated favourable adsorption. 2011 Journal Article http://hdl.handle.net/20.500.11937/47649 10.2175/106143011X12989211841098 Water Environment Federation restricted
spellingShingle Sen, Tushar
Azman, A.
Maitra, S.
Dutta, B.
Removal of Mercury (II) from Aqueous Solutions Using the Leaves of the Rambai Tree (Baccaurea motleyana)
title Removal of Mercury (II) from Aqueous Solutions Using the Leaves of the Rambai Tree (Baccaurea motleyana)
title_full Removal of Mercury (II) from Aqueous Solutions Using the Leaves of the Rambai Tree (Baccaurea motleyana)
title_fullStr Removal of Mercury (II) from Aqueous Solutions Using the Leaves of the Rambai Tree (Baccaurea motleyana)
title_full_unstemmed Removal of Mercury (II) from Aqueous Solutions Using the Leaves of the Rambai Tree (Baccaurea motleyana)
title_short Removal of Mercury (II) from Aqueous Solutions Using the Leaves of the Rambai Tree (Baccaurea motleyana)
title_sort removal of mercury (ii) from aqueous solutions using the leaves of the rambai tree (baccaurea motleyana)
url http://hdl.handle.net/20.500.11937/47649