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Redox mediator evaluation in the azo dye biodegradation
Linnéuniversitetet, Fakulteten för teknik (FTK), Institutionen för byggd miljö och energiteknik (BET). Univ. Estadual Paulista, Brazil.ORCID-id: 0000-0002-3120-3113
Linnéuniversitetet, Fakulteten för teknik (FTK), Institutionen för byggd miljö och energiteknik (BET). (Bioresource technology)ORCID-id: 0000-0001-8179-1446
Linnéuniversitetet, Fakulteten för teknik (FTK), Institutionen för byggd miljö och energiteknik (BET).ORCID-id: 0000-0003-0841-7065
Univ. Estadual Paulista, Brazil.
2015 (engelsk)Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

Azo dye degradation occurs by means of the oxidation–reduction reactions which have the azo dye acting as final electron acceptor. Some carbon sources can act as electron donors because the products of their metabolism act as redox mediators. In order to enhance the dye biodegradation process, the present study aims to evaluate the decolorization of an artificial wastewater, containing the azo dye Direct Red 75 (DR75), led by a microbial consortium from rice husks, testing the effect in the process of glucose and yeast extract as carbon sources. Samples with and without 0.1 M Sodium phosphate buffer were also analysed. The decolorization was measured by means UV-VIS spectrophotometry. The percentage of decolorization of the samples over the time indicates that the sample with yeast extract, rinse water of rice husks and without buffer presented the best decolorization rate, about 80%. Therefore, the results presented in this study may also suggest that yeast extract is a better carbon source for dye biodegradation than glucose.

sted, utgiver, år, opplag, sider
Boca Raton, USA: BrownWalker Press, 2015. , s. 4
Emneord [en]
Textile dye, azoreductase, biodegradation, Azo dye, direct red 75, waste water treatment
HSV kategori
Forskningsprogram
Miljövetenskap, Miljöteknik; Teknik, Hållbar byggd miljö; Teknik, Miljöbioteknik; Naturvetenskap, Miljövetenskap; Kemi, Bioteknik; Ekologi, Mikrobiologi
Identifikatorer
URN: urn:nbn:se:lnu:diva-51791OAI: oai:DiVA.org:lnu-51791DiVA, id: diva2:916146
Konferanse
BioMicroWorld 2015
Tilgjengelig fra: 2016-04-01 Laget: 2016-03-31 Sist oppdatert: 2018-06-27bibliografisk kontrollert

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http://www.biomicroworld2015.org/

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Santos, Graziely CristinaForss, JörgenWelander, Ulrika

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