Multi-stage ozonation and biological treatment for the removal of azo dye industrial effluent

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Main Author:	Apipah, Arifffin
Other Authors:	Dr. Fahmi Muhammad Ridwan
Format:	Learning Object
Language:	English
Published:	Universiti Malaysia Perlis (UniMAP) 2013
Subjects:	Ozonation Biological Treatment Dye wastewater Azo dye Water pollution Chemical oxygen demand (COD)
Online Access:	http://dspace.unimap.edu.my/xmlui/handle/123456789/23750
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Institution:	Universiti Malaysia Perlis
Language:	English

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spelling	my.unimap-237502013-02-21T03:49:24Z Multi-stage ozonation and biological treatment for the removal of azo dye industrial effluent Apipah, Arifffin Dr. Fahmi Muhammad Ridwan Ozonation Biological Treatment Dye wastewater Azo dye Water pollution Chemical oxygen demand (COD) Access is limited to UniMAP community. The presence of dyes in various industrial effluents is a major problem due to their adverse effect to many forms of life. Wastewater containing dyes presents a serious environmental problem due to its high toxicity which contributes to water pollution. Dyes are known to have strong colour, high chemical oxygen demand (COD) and low biodegradability. This research focused on treatment of dye industrial effluent by single-stage and multi-stage ozonation and biological treatment process. It was done as to evaluate the performance of ozonation and biological treatment process for colour or concentration and COD removal of Reactive Red 120 dye sample. In the single-stage ozonation and biological treatment, one (1) liter of dye sample was ozonated for 15 minutes and then was biodegraded with 1 % river water for 4 days. In the multi-stage ozonation and biological treatment, the sample was ozonated for 5 minutes and biodegraded by the same method as in single-stage treatment. However, the process of ozonation and biodegradation were repeated until the third stage. The results obtained showed that single-stage ozonation and biological treatment removed 39.51 % of COD while multi-stage treatment removed 76.54 % of COD. Both single-stage and multi-stage ozonation and biological treatment process gave excellent results of 99.90 % colour removal. 2013-02-21T03:49:24Z 2013-02-21T03:49:24Z 2010-04 Learning Object http://hdl.handle.net/123456789/23750 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	Ozonation Biological Treatment Dye wastewater Azo dye Water pollution Chemical oxygen demand (COD)
spellingShingle	Ozonation Biological Treatment Dye wastewater Azo dye Water pollution Chemical oxygen demand (COD) Apipah, Arifffin Multi-stage ozonation and biological treatment for the removal of azo dye industrial effluent
description	Access is limited to UniMAP community.
author2	Dr. Fahmi Muhammad Ridwan
author_facet	Dr. Fahmi Muhammad Ridwan Apipah, Arifffin
format	Learning Object
author	Apipah, Arifffin
author_sort	Apipah, Arifffin
title	Multi-stage ozonation and biological treatment for the removal of azo dye industrial effluent
title_short	Multi-stage ozonation and biological treatment for the removal of azo dye industrial effluent
title_full	Multi-stage ozonation and biological treatment for the removal of azo dye industrial effluent
title_fullStr	Multi-stage ozonation and biological treatment for the removal of azo dye industrial effluent
title_full_unstemmed	Multi-stage ozonation and biological treatment for the removal of azo dye industrial effluent
title_sort	multi-stage ozonation and biological treatment for the removal of azo dye industrial effluent
publisher	Universiti Malaysia Perlis (UniMAP)
publishDate	2013
url	http://dspace.unimap.edu.my/xmlui/handle/123456789/23750
_version_	1643794057139322880

Multi-stage ozonation and biological treatment for the removal of azo dye industrial effluent

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