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Granular activated carbon assisted ozonation of cephalexin antibiotic

This study investigates removal of cephalexin using ozonation in the presence of granular activated carbon. Initial experiments were carried out about adsorption of cephalexin onto granular activated carbon, effect of catalytic ozonation, and biodegradability of cephalexin solution. The effect of oz...

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Main Authors: Akhtar, J., Imran, M., Zahoor, M. K., Amin, N. S.
Format: Article
Published: Chemical Society of Pakistan 2016
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TP Chemical technology
Online Access:http://eprints.utm.my/id/eprint/74507/
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spelling my.utm.745072017-11-29T23:58:36Z http://eprints.utm.my/id/eprint/74507/ Granular activated carbon assisted ozonation of cephalexin antibiotic Akhtar, J. Imran, M. Zahoor, M. K. Amin, N. S. TP Chemical technology This study investigates removal of cephalexin using ozonation in the presence of granular activated carbon. Initial experiments were carried out about adsorption of cephalexin onto granular activated carbon, effect of catalytic ozonation, and biodegradability of cephalexin solution. The effect of ozonation on pH, ozone utilization efficiency and decomposition byproducts, was observed. Response surface methodology was adopted to optimize three operating parameters pH of solution, ozone supply and cephalexin concentration. GAC assisted ozonation, was found to be effective in decomposing COD (chemical oxygen demand) and cephalexin from solution. Optimum values of variables were pH from 7-8, ozone supply 30 mg/L and 100 mg/L of cephalexin solution. The complete removal of cephalexin and 60% COD removal was achieved at these optimum input values. Chemical Society of Pakistan 2016 Article PeerReviewed Akhtar, J. and Imran, M. and Zahoor, M. K. and Amin, N. S. (2016) Granular activated carbon assisted ozonation of cephalexin antibiotic. Journal of the Chemical Society of Pakistan, 38 (6). pp. 1056-1063. ISSN 0253-5106 https://www.scopus.com/inward/record.uri?eid=2-s2.0-85009926980&partnerID=40&md5=9d6f006ac30ba941381bd8af291814be
institution Universiti Teknologi Malaysia
building UTM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Malaysia
content_source UTM Institutional Repository
url_provider http://eprints.utm.my/
topic TP Chemical technology
spellingShingle TP Chemical technology
Akhtar, J.
Imran, M.
Zahoor, M. K.
Amin, N. S.
Granular activated carbon assisted ozonation of cephalexin antibiotic
description This study investigates removal of cephalexin using ozonation in the presence of granular activated carbon. Initial experiments were carried out about adsorption of cephalexin onto granular activated carbon, effect of catalytic ozonation, and biodegradability of cephalexin solution. The effect of ozonation on pH, ozone utilization efficiency and decomposition byproducts, was observed. Response surface methodology was adopted to optimize three operating parameters pH of solution, ozone supply and cephalexin concentration. GAC assisted ozonation, was found to be effective in decomposing COD (chemical oxygen demand) and cephalexin from solution. Optimum values of variables were pH from 7-8, ozone supply 30 mg/L and 100 mg/L of cephalexin solution. The complete removal of cephalexin and 60% COD removal was achieved at these optimum input values.
format Article
author Akhtar, J.
Imran, M.
Zahoor, M. K.
Amin, N. S.
author_facet Akhtar, J.
Imran, M.
Zahoor, M. K.
Amin, N. S.
author_sort Akhtar, J.
title Granular activated carbon assisted ozonation of cephalexin antibiotic
title_short Granular activated carbon assisted ozonation of cephalexin antibiotic
title_full Granular activated carbon assisted ozonation of cephalexin antibiotic
title_fullStr Granular activated carbon assisted ozonation of cephalexin antibiotic
title_full_unstemmed Granular activated carbon assisted ozonation of cephalexin antibiotic
title_sort granular activated carbon assisted ozonation of cephalexin antibiotic
publisher Chemical Society of Pakistan
publishDate 2016
url http://eprints.utm.my/id/eprint/74507/
https://www.scopus.com/inward/record.uri?eid=2-s2.0-85009926980&partnerID=40&md5=9d6f006ac30ba941381bd8af291814be
_version_ 1643656869128962048
score 13.211869

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