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Kinetics of adsorption of Cu(II) and Cd(II) from aqueous solution on rice husk and modified rice husk

Fulltext of this article is also available at http://ejeafche.uvigo.es/

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Main Authors: Soon-an, Ong, Chye-Eng, Seng, Poh-Eng, Lim
Format: Article
Language:English
Published: University of Vigo 2009
Subjects:
Adsorption
Heavy metals
Kinetics
Modified rice husk
Rice husk
Aqueous solution
Online Access:http://dspace.unimap.edu.my/xmlui/handle/123456789/6620
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spelling my.unimap-66202009-07-31T08:38:33Z Kinetics of adsorption of Cu(II) and Cd(II) from aqueous solution on rice husk and modified rice husk Soon-an, Ong Chye-Eng, Seng Poh-Eng, Lim Adsorption Heavy metals Kinetics Modified rice husk Rice husk Aqueous solution Fulltext of this article is also available at http://ejeafche.uvigo.es/ The present study is aimed to investigate the adsorption behavior of Cu(II) and Cd(II) ions onto rice husk and modified rice husk. The adsorption of the heavy metal ions over both the adsorbents was found to follow Langmuir and Freundlich adsorption isotherm models. It was observed that the adsorption capacity of rice husk increased after treated with nitric acid. The pseudo first-order, pseudo second-order, second order and intra-particle diffusion models were used to analyze the kinetic data and the rate constants were evaluated. The kinetic adsorption data fitted the pseudo second-order kinetic model well and also followed the intra-particle diffusion model up to 90 min, but diffusion is not the only rate controlling step. 2009-07-31T08:38:09Z 2009-07-31T08:38:09Z 2007-02 Article Electronic Journal of Environmental, Agricultural and Food Chemistry, vol.6 (2), 2007 pages 764-1774. 1579-4377 http://ejeafche.uvigo.es/index.php?option=com_docman&Itemid=33 http://hdl.handle.net/123456789/6620 en University of Vigo
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Adsorption
Heavy metals
Kinetics
Modified rice husk
Rice husk
Aqueous solution
spellingShingle Adsorption
Heavy metals
Kinetics
Modified rice husk
Rice husk
Aqueous solution
Soon-an, Ong
Chye-Eng, Seng
Poh-Eng, Lim
Kinetics of adsorption of Cu(II) and Cd(II) from aqueous solution on rice husk and modified rice husk
description Fulltext of this article is also available at http://ejeafche.uvigo.es/
format Article
author Soon-an, Ong
Chye-Eng, Seng
Poh-Eng, Lim
author_facet Soon-an, Ong
Chye-Eng, Seng
Poh-Eng, Lim
author_sort Soon-an, Ong
title Kinetics of adsorption of Cu(II) and Cd(II) from aqueous solution on rice husk and modified rice husk
title_short Kinetics of adsorption of Cu(II) and Cd(II) from aqueous solution on rice husk and modified rice husk
title_full Kinetics of adsorption of Cu(II) and Cd(II) from aqueous solution on rice husk and modified rice husk
title_fullStr Kinetics of adsorption of Cu(II) and Cd(II) from aqueous solution on rice husk and modified rice husk
title_full_unstemmed Kinetics of adsorption of Cu(II) and Cd(II) from aqueous solution on rice husk and modified rice husk
title_sort kinetics of adsorption of cu(ii) and cd(ii) from aqueous solution on rice husk and modified rice husk
publisher University of Vigo
publishDate 2009
url http://dspace.unimap.edu.my/xmlui/handle/123456789/6620
_version_ 1643788592500178944
score 13.214268

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