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Adsorption of Acid Azo Dyes from Aqueous Solution by Neem (Azadirachta indica) Leaf Powder

A novel adsorbent was prepared from Neem (Azadirachta indica) leaf and its effectiveness in adsorbing two textile acid azo dyes, Acid Red 18 and Acid Orange 7, from aqueous solution was examined. Batch adsorption test showed that extent of dye adsorption by Neem leaf powder was dependent on con...

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Main Authors: Chaudhuri, M., Chan, Xuan Hui
Format: Book Section
Published: Universiti teknologi PETRONAS 2012
Subjects:
TD Environmental technology. Sanitary engineering
Online Access:http://eprints.utp.edu.my/7736/1/1569547609.pdf
http://eprints.utp.edu.my/7736/
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spelling my.utp.eprints.77362017-01-19T08:21:55Z Adsorption of Acid Azo Dyes from Aqueous Solution by Neem (Azadirachta indica) Leaf Powder Chaudhuri, M. Chan, Xuan Hui TD Environmental technology. Sanitary engineering A novel adsorbent was prepared from Neem (Azadirachta indica) leaf and its effectiveness in adsorbing two textile acid azo dyes, Acid Red 18 and Acid Orange 7, from aqueous solution was examined. Batch adsorption test showed that extent of dye adsorption by Neem leaf powder was dependent on contact time, pH and adsorbent dose. Equilibrium adsorption was attained in 5 h and maximum adsorption occurred at pH 2. Dye adsorption followed pseudo second-order kinetics. Equilibrium adsorption data were described by the Langmuir and Freundlich adsorption isotherm models. Acid dye adsorption capacity of the Neem leaf powder was compared with that of other plant-based adsorbents and activated carbons. Neem leaf powder is effective in adsorptive removal of acid dyes from aqueous solution. Universiti teknologi PETRONAS 2012 Book Section PeerReviewed application/pdf http://eprints.utp.edu.my/7736/1/1569547609.pdf Chaudhuri, M. and Chan, Xuan Hui (2012) Adsorption of Acid Azo Dyes from Aqueous Solution by Neem (Azadirachta indica) Leaf Powder. In: Proceedings 2012 International Conference on Civil, Offshore and Environmental Engineering. Universiti teknologi PETRONAS, Bandar Seri Iskandar, 31750 Tronoh, Perak, Malaysia. ISBN 978-983-2271-77-2 http://eprints.utp.edu.my/7736/
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/
topic TD Environmental technology. Sanitary engineering
spellingShingle TD Environmental technology. Sanitary engineering
Chaudhuri, M.
Chan, Xuan Hui
Adsorption of Acid Azo Dyes from Aqueous Solution by Neem (Azadirachta indica) Leaf Powder
description A novel adsorbent was prepared from Neem (Azadirachta indica) leaf and its effectiveness in adsorbing two textile acid azo dyes, Acid Red 18 and Acid Orange 7, from aqueous solution was examined. Batch adsorption test showed that extent of dye adsorption by Neem leaf powder was dependent on contact time, pH and adsorbent dose. Equilibrium adsorption was attained in 5 h and maximum adsorption occurred at pH 2. Dye adsorption followed pseudo second-order kinetics. Equilibrium adsorption data were described by the Langmuir and Freundlich adsorption isotherm models. Acid dye adsorption capacity of the Neem leaf powder was compared with that of other plant-based adsorbents and activated carbons. Neem leaf powder is effective in adsorptive removal of acid dyes from aqueous solution.
format Book Section
author Chaudhuri, M.
Chan, Xuan Hui
author_facet Chaudhuri, M.
Chan, Xuan Hui
author_sort Chaudhuri, M.
title Adsorption of Acid Azo Dyes from Aqueous Solution by Neem (Azadirachta indica) Leaf Powder
title_short Adsorption of Acid Azo Dyes from Aqueous Solution by Neem (Azadirachta indica) Leaf Powder
title_full Adsorption of Acid Azo Dyes from Aqueous Solution by Neem (Azadirachta indica) Leaf Powder
title_fullStr Adsorption of Acid Azo Dyes from Aqueous Solution by Neem (Azadirachta indica) Leaf Powder
title_full_unstemmed Adsorption of Acid Azo Dyes from Aqueous Solution by Neem (Azadirachta indica) Leaf Powder
title_sort adsorption of acid azo dyes from aqueous solution by neem (azadirachta indica) leaf powder
publisher Universiti teknologi PETRONAS
publishDate 2012
url http://eprints.utp.edu.my/7736/1/1569547609.pdf
http://eprints.utp.edu.my/7736/
_version_ 1738655598239547392
score 13.209306

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