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Biodegradation of azo and anthraquinone dyes in continuous systems
Linnaeus University, Faculty of Science and Engineering, School of Engineering. (Avdelningen för Bioenergiteknik)ORCID iD: 0000-0001-8179-1446
Linnaeus University, Faculty of Science and Engineering, School of Engineering. (Avdelningen för Bioenergiteknik)ORCID iD: 0000-0003-0841-7065
2011 (English)In: International Biodeterioration & Biodegradation, ISSN 0964-8305, E-ISSN 1879-0208, Vol. 65, no 1, p. 227-237Article in journal (Refereed) Published
Abstract [en]

The purpose is to develop a complete microbiological model system for the treatment of wastewater

from textile mills in developing countries. Arti

fi

cial wastewater was treated by microorganisms growing

on wood shavings from Norway spruce during unsterile conditions. The microorganisms were inoculated

from forest residues. Mixtures of the azo dyes Reactive Black 5 and Reactive Red 2 were degraded in

batch as well as continuous experiments. Reactive Red 2 mixed with the anthraquinone dye Reactive

Blue 4 was also treated in the continuous system. The system consisted of three reservoirs

 

 

e the fi

rst two

with an anaerobic environment and the third with an aerobic. The dye concentrations were 200 mg l

 

 

1

of

each dye in the continuous system and the retention time was approximately 4 days and 20 h per

reservoir. Samples from the process were analysed with spectrophotometer and LC/MS to monitor the

degradation process. 86-90% of the colour was removed after a treatment of 4 days and 23 h in the

continuous process. Two metabolites were found in the outlets of reactors one and two, but they were

degraded to below the detection limit in the aerobic reactor.

 

 

 

Place, publisher, year, edition, pages
Elsevier , 2011. Vol. 65, no 1, p. 227-237
Keywords [en]
textile dye, industrial wastewater, lignocellulosic materia, native microflora fromforest residues
National Category
Industrial Biotechnology
Research subject
Technology (byts ev till Engineering), Bioenergy Technology
Identifiers
URN: urn:nbn:se:lnu:diva-10268DOI: 10.1016/j.ibiod.2010.11.006Scopus ID: 2-s2.0-78650678059OAI: oai:DiVA.org:lnu-10268DiVA, id: diva2:390086
Available from: 2011-01-20 Created: 2011-01-20 Last updated: 2017-12-11Bibliographically 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
Keywords
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, JörgenWelander, Ulrika

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