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Microbial diversity in a continuous system based on rice husks for biodegradation of the azo dyes Reactive Red 2 and Reactive Black 5
Linnaeus University, Faculty of Technology, Department of Building and Energy Technology.ORCID iD: 0000-0001-8179-1446
Linnaeus University, Faculty of Health and Life Sciences, Department of Biology and Environmental Science.ORCID iD: 0000-0002-6405-1347
Linnaeus University, Faculty of Health and Life Sciences, Department of Biology and Environmental Science. (Marin mikrobiologi)ORCID iD: 0000-0002-7120-4145
Linnaeus University, Faculty of Technology, Department of Building and Energy Technology.ORCID iD: 0000-0003-0841-7065
2013 (English)In: Bioresource Technology, ISSN 0960-8524, E-ISSN 1873-2976, Vol. 130, 681-688 p.Article in journal (Refereed) Published
Abstract [en]

In the present study the degradation of two common azo dyes used in dye houses today, Reactive Black 5 and Reactive Red 2 was evaluated in biofilters. In two experiments, bioreactors performed over 80% decolorization at a hydraulic retention time of only 28.4 h with little production of metabolites. Molecular analyses showed a diverse and dynamic bacterial community composition in the bioreactors, including members of the Bacteroidetes, Acinetobacter (Gammaproteobacteria) and Clostridium (Firmicutes) that possess the capacity to reduce azo dyes. Collectively, the results indicate that the development of mixed bacterial communities from natural biomaterials contributes to an efficient and robust degradation performance in bioreactors even at high concentration of dyes.

Place, publisher, year, edition, pages
Elsevier, 2013. Vol. 130, 681-688 p.
Keyword [en]
biodegradation, textile dyes, azodyes, denaturing gradient gel electrophoresis (DGGE)
National Category
Environmental Biotechnology
Research subject
Technology (byts ev till Engineering), Bioenergy Technology
Identifiers
URN: urn:nbn:se:lnu:diva-22899DOI: 10.1016/j.biortech.2012.12.097ISI: 000316032300091Scopus ID: 2-s2.0-84872408869OAI: oai:DiVA.org:lnu-22899DiVA: diva2:577111
Projects
decolorization, industrial wastewater, lignocellulosic material, indigenous 27 decolorizers, l
Available from: 2012-12-14 Created: 2012-12-14 Last updated: 2017-12-06Bibliographically approved
In thesis
1. Microbial treatment of textile wastewater applicable in developing countries
Open this publication in new window or tab >>Microbial treatment of textile wastewater applicable in developing countries
2013 (English)Doctoral thesis, comprehensive summary (Other academic)
Place, publisher, year, edition, pages
Växjö, Kalmar: Linnaeus University Press, 2013
Series
Linnaeus University Disserations, 114/2013
Keyword
Biotreatment, Biodegradation, Biofilter, Textile wastewater, Azo dyes, Industrial wastewaters, indigenous decolorizers, LC-MS, Anaerobic and aerobic water treatment
National Category
Environmental Biotechnology
Research subject
Environmental Science, Environmental technology
Identifiers
urn:nbn:se:lnu:diva-23507 (URN)978-91-87427-02-2 (ISBN)
Public defence
2013-02-08, M1083, Hus M, Växjö, 12:44 (English)
Opponent
Supervisors
Available from: 2013-01-18 Created: 2013-01-17 Last updated: 2016-04-11Bibliographically approved

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Forss, JörgenPinhassi, JaroneLindh, Markus V.Welander, Ulrika

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