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Batch Studies of Adsorption of Phenol from Aqueous Solutions Using Rice Husk Ash

The present work involves an investigation of the possible use of rice husk ash (RHA) for phenol removal from aqueous solutions. The study was realized using batch experiments. During the experimental part of this study, the effect of system variables such as burning temperature ( 400oC and 6...

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Main Authors: Hilmi , Mukhtar, Shaharun, Maizatul Shima, Samah B. , Daffalla
Format: Conference or Workshop Item
Language:English
Published: 2012
Online Access:http://scholars.utp.edu.my/id/eprint/8817/1/1569558107-new.pdf
http://scholars.utp.edu.my/id/eprint/8817/
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spelling oai:scholars.utp.edu.my:88172023-04-11T04:14:37Z http://scholars.utp.edu.my/id/eprint/8817/ Batch Studies of Adsorption of Phenol from Aqueous Solutions Using Rice Husk Ash Hilmi , Mukhtar Shaharun, Maizatul Shima Samah B. , Daffalla The present work involves an investigation of the possible use of rice husk ash (RHA) for phenol removal from aqueous solutions. The study was realized using batch experiments. During the experimental part of this study, the effect of system variables such as burning temperature ( 400oC and 600oC), burning time (1-4hrs), adsorbent dosage (1, 5 and 10 gl-1), pH(2-10) , temperature (23oC and 40oC), and initial phenol concentration(10-1000mgl-1) on phenol removal were investigated. In addition, adsorption kinetics and adsorption isotherm studies were also carried out. The results show that RHA600 has less removal efficiency compared to RHA400 at 1,2,3 and 4hrs burning times. The investigation of pH effects indicates that maximum phenol removal can be obtained at pH 4 using RHA400, 1h. It was found that, the sorption capacity increased from 0.97 mg g-1 to 46.19 mg g-1 by increasing the initial phenol concentration from 10 mgl-1 to 1000 mgl-1 using RHA400, 1h; while a slight decrease on phenol adsorption capacity was observed as the temperature was increased from 23oC to 40oC. The adsorption isotherms are best fitted by the Freundlich model, while the adsorption kinetics is well described by Elovich model. 2012-01-01 Conference or Workshop Item PeerReviewed application/pdf en http://scholars.utp.edu.my/id/eprint/8817/1/1569558107-new.pdf Hilmi , Mukhtar and Shaharun, Maizatul Shima and Samah B. , Daffalla (2012) Batch Studies of Adsorption of Phenol from Aqueous Solutions Using Rice Husk Ash. In: UNSPECIFIED.
institution Universiti Teknologi Petronas
building UTP Resource Centre
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Petronas
content_source UTP Institutional Repository
url_provider http://eprints.utp.edu.my/
language English
description The present work involves an investigation of the possible use of rice husk ash (RHA) for phenol removal from aqueous solutions. The study was realized using batch experiments. During the experimental part of this study, the effect of system variables such as burning temperature ( 400oC and 600oC), burning time (1-4hrs), adsorbent dosage (1, 5 and 10 gl-1), pH(2-10) , temperature (23oC and 40oC), and initial phenol concentration(10-1000mgl-1) on phenol removal were investigated. In addition, adsorption kinetics and adsorption isotherm studies were also carried out. The results show that RHA600 has less removal efficiency compared to RHA400 at 1,2,3 and 4hrs burning times. The investigation of pH effects indicates that maximum phenol removal can be obtained at pH 4 using RHA400, 1h. It was found that, the sorption capacity increased from 0.97 mg g-1 to 46.19 mg g-1 by increasing the initial phenol concentration from 10 mgl-1 to 1000 mgl-1 using RHA400, 1h; while a slight decrease on phenol adsorption capacity was observed as the temperature was increased from 23oC to 40oC. The adsorption isotherms are best fitted by the Freundlich model, while the adsorption kinetics is well described by Elovich model.
format Conference or Workshop Item
author Hilmi , Mukhtar
Shaharun, Maizatul Shima
Samah B. , Daffalla
spellingShingle Hilmi , Mukhtar
Shaharun, Maizatul Shima
Samah B. , Daffalla
Batch Studies of Adsorption of Phenol from Aqueous Solutions Using Rice Husk Ash
author_facet Hilmi , Mukhtar
Shaharun, Maizatul Shima
Samah B. , Daffalla
author_sort Hilmi , Mukhtar
title Batch Studies of Adsorption of Phenol from Aqueous Solutions Using Rice Husk Ash
title_short Batch Studies of Adsorption of Phenol from Aqueous Solutions Using Rice Husk Ash
title_full Batch Studies of Adsorption of Phenol from Aqueous Solutions Using Rice Husk Ash
title_fullStr Batch Studies of Adsorption of Phenol from Aqueous Solutions Using Rice Husk Ash
title_full_unstemmed Batch Studies of Adsorption of Phenol from Aqueous Solutions Using Rice Husk Ash
title_sort batch studies of adsorption of phenol from aqueous solutions using rice husk ash
publishDate 2012
url http://scholars.utp.edu.my/id/eprint/8817/1/1569558107-new.pdf
http://scholars.utp.edu.my/id/eprint/8817/
_version_ 1762964054661398528
score 13.211869

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