Biosorption of Cu(II) From Water by Banana Peel Based Biosorbent: Experiments and Models of Adsorption and Desorption

Hossain, A; Ngo, H; Guo, W; Nguyen, V

Biosorption of Cu(II) From Water by Banana Peel Based Biosorbent: Experiments and Models of Adsorption and Desorption

Hossain, A Ngo, H

Guo, W

Nguyen, V

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Publisher:: University of Technology, Sydney & Xian University of Architecture and Technology
Publication Type:: Journal Article
Citation:: Journal of Water Sustainability, 2012, 2 (1), pp. 87 - 104
Issue Date:: 2012-01

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Field	Value	Language
dc.contributor.author	Hossain, A	en_US
dc.contributor.author	Ngo, H https://orcid.org/0000-0002-0296-2866	en_US
dc.contributor.author	Guo, W https://orcid.org/0000-0001-5542-2858	en_US
dc.contributor.author	Nguyen, V	en_US
dc.date.issued	2012-01	en_US
dc.identifier.citation	Journal of Water Sustainability, 2012, 2 (1), pp. 87 - 104	en_US
dc.identifier.issn	1839-1516	en_US
dc.identifier.uri	http://hdl.handle.net/10453/23015
dc.description.abstract	Banana peel, a discarded agricultural waste was used to produce bioadsorbent through easy and environmental friendly processes. This banana peel based biosorbent was evaluated for adsorptive removal of copper from water and its desorption capability. The characterisation results showed this biosorbent had very high specific surface area, potential binding sites and functional groups. The optimal conditions for biosorption were found at pH 6.5, biosorbent size of less than 75Î¼, dose of 0.5g/100ml and 1-hour contact time. Thermodynamic analysis also indicated that its adsorption was spontaneous. Significant desorption of copper (94%) was obtained when using 0.1N H2SO4. Both adsorption and desorption equilibrium data were well described by Langmuir, SIPS and Koble-Corrigan models whilst kinetics data by pseudo-first order, Elovich and Intraparticle diffusion models. Modelsâ parameters were optimised by MATLABâs non-linear modelling. All models had good fitness with the experimental data from high R2 (0.970-1.00), low non-linear errors - RMSE (0.004-10.00) and low 2 (0.0004-10.00). The maximum adsorption and desorption capacities were 20.37 and 32.40 mg/g, respectively. The adsorption processes were controlled by chemisorption. Both adsorption and desorption processes could be described by the pseudo-first order kinetic. The potential applicability of banana peel based bioadsorbent could be further examined in a large-scale.	en_US
dc.publisher	University of Technology, Sydney & Xian University of Architecture and Technology	en_US
dc.relation.ispartof	Journal of Water Sustainability	en_US
dc.title	Biosorption of Cu(II) From Water by Banana Peel Based Biosorbent: Experiments and Models of Adsorption and Desorption	en_US
dc.type	Journal Article
utslib.citation.volume	1	en_US
utslib.citation.volume	2	en_US
utslib.for	0907 Environmental Engineering	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Civil and Environmental Engineering
pubs.organisational-group	/University of Technology Sydney/Strength - CTWW - Centre for Technology in Water and Wastewater Treatment
utslib.copyright.status	closed_access
pubs.consider-herdc	true	en_US
pubs.issue	1	en_US
pubs.volume	2	en_US

Abstract:

Banana peel, a discarded agricultural waste was used to produce bioadsorbent through easy and environmental friendly processes. This banana peel based biosorbent was evaluated for adsorptive removal of copper from water and its desorption capability. The characterisation results showed this biosorbent had very high specific surface area, potential binding sites and functional groups. The optimal conditions for biosorption were found at pH 6.5, biosorbent size of less than 75Î¼, dose of 0.5g/100ml and 1-hour contact time. Thermodynamic analysis also indicated that its adsorption was spontaneous. Significant desorption of copper (94%) was obtained when using 0.1N H2SO4. Both adsorption and desorption equilibrium data were well described by Langmuir, SIPS and Koble-Corrigan models whilst kinetics data by pseudo-first order, Elovich and Intraparticle diffusion models. Modelsâ parameters were optimised by MATLABâs non-linear modelling. All models had good fitness with the experimental data from high R2 (0.970-1.00), low non-linear errors - RMSE (0.004-10.00) and low 2 (0.0004-10.00). The maximum adsorption and desorption capacities were 20.37 and 32.40 mg/g, respectively. The adsorption processes were controlled by chemisorption. Both adsorption and desorption processes could be described by the pseudo-first order kinetic. The potential applicability of banana peel based bioadsorbent could be further examined in a large-scale.

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http://hdl.handle.net/10453/23015