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Phytoremediation of azo dye containing wastewater by using up-flow constructed wetlands

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Main Author: Danny, Leonard Dugil
Other Authors: Dr. Ong Soon An
Format: Learning Object
Language:English
Published: Universiti Malaysia Perlis (UniMAP) 2012
Subjects:
Up-flow constructed wetlands (UFCW)
Textile azo dyes
Textile wastewater
Phytoremediation
Xenobiotic
Wetlands
Organic wastewater
Universiti Malaysia Perlis (UniMAP)
Online Access:http://dspace.unimap.edu.my/xmlui/handle/123456789/19591
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spelling my.unimap-195912012-06-02T04:49:48Z Phytoremediation of azo dye containing wastewater by using up-flow constructed wetlands Danny, Leonard Dugil Dr. Ong Soon An Up-flow constructed wetlands (UFCW) Textile azo dyes Textile wastewater Phytoremediation Xenobiotic Wetlands Organic wastewater Universiti Malaysia Perlis (UniMAP) Access is limited to UniMAP community. Phytoremediation of a xenobiotic, like a textile azo-dye, acid orange 7 (AO7) in a pilot constructed wetland (CW), is feasible even for very high concentrations ([AO7] = 96.61 ± 3.57 mg/l). Removal efficiencies of approximately 99.03 %; 91.33% and 86.17% were obtained for AO7, COD and Ammonical Nitrogen (AN), respectively. Combination of aerobic and anaerobic processes in constructed wetlands can enhance the treatment performance in textile wastewater. This study assessed the treatment of azo dye Acid Orange 7 (AO7) a using three laboratory-scale up-flow constructed wetlands (UFCW) with and without supplementary aeration. Supplementary aeration controlled the size of aerobic and anaerobic zones in the UFCW reactors as evidenced by the oxidation–reduction potential (ORP) and dissolved oxygen (DO) profile of the UFCW. The AO7 removal efficiency was above 90% in all UFCW reactors and most of the color was extensively removed in the anaerobic region of the UFCW beds. The intermediates produced through the breakage of azo bond were significantly reduced in the UFCW reactors with supplementary aeration. 2012-06-02T04:49:48Z 2012-06-02T04:49:48Z 2010-03 Learning Object http://hdl.handle.net/123456789/19591 en Universiti Malaysia Perlis (UniMAP) School of Environmental Engineering
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 Up-flow constructed wetlands (UFCW)
Textile azo dyes
Textile wastewater
Phytoremediation
Xenobiotic
Wetlands
Organic wastewater
Universiti Malaysia Perlis (UniMAP)
spellingShingle Up-flow constructed wetlands (UFCW)
Textile azo dyes
Textile wastewater
Phytoremediation
Xenobiotic
Wetlands
Organic wastewater
Universiti Malaysia Perlis (UniMAP)
Danny, Leonard Dugil
Phytoremediation of azo dye containing wastewater by using up-flow constructed wetlands
description Access is limited to UniMAP community.
author2 Dr. Ong Soon An
author_facet Dr. Ong Soon An
Danny, Leonard Dugil
format Learning Object
author Danny, Leonard Dugil
author_sort Danny, Leonard Dugil
title Phytoremediation of azo dye containing wastewater by using up-flow constructed wetlands
title_short Phytoremediation of azo dye containing wastewater by using up-flow constructed wetlands
title_full Phytoremediation of azo dye containing wastewater by using up-flow constructed wetlands
title_fullStr Phytoremediation of azo dye containing wastewater by using up-flow constructed wetlands
title_full_unstemmed Phytoremediation of azo dye containing wastewater by using up-flow constructed wetlands
title_sort phytoremediation of azo dye containing wastewater by using up-flow constructed wetlands
publisher Universiti Malaysia Perlis (UniMAP)
publishDate 2012
url http://dspace.unimap.edu.my/xmlui/handle/123456789/19591
_version_ 1643792758898425856
score 13.222552

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