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Microbial treatment of textile wastewater applicable in developing countries
Linnéuniversitetet, Fakulteten för teknik (FTK), Institutionen för bygg- och energiteknik (BE). (Miljöbioteknik)ORCID-id: 0000-0001-8179-1446
2013 (engelsk)Doktoravhandling, med artikler (Annet vitenskapelig)
sted, utgiver, år, opplag, sider
Växjö, Kalmar: Linnaeus University Press, 2013.
Serie
Linnaeus University Disserations ; 114
Emneord [en]
Biotreatment, Biodegradation, Biofilter, Textile wastewater, Azo dyes, Industrial wastewaters, indigenous decolorizers, LC-MS, Anaerobic and aerobic water treatment
HSV kategori
Forskningsprogram
Miljövetenskap, Miljöteknik
Identifikatorer
URN: urn:nbn:se:lnu:diva-23507ISBN: 9789187427022 (tryckt)OAI: oai:DiVA.org:lnu-23507DiVA, id: diva2:589256
Disputas
2013-02-08, M1083, Hus M, Växjö, 12:44 (engelsk)
Opponent
Veileder
Tilgjengelig fra: 2013-01-18 Laget: 2013-01-17 Sist oppdatert: 2024-02-05bibliografisk kontrollert
Delarbeid
1. Decolourization of reactive azo dyes with microorganisms growing on soft wood chips
Åpne denne publikasjonen i ny fane eller vindu >>Decolourization of reactive azo dyes with microorganisms growing on soft wood chips
2009 (engelsk)Inngår i: International Biodeterioration & Biodegradation, ISSN 0964-8305, E-ISSN 1879-0208, ISSN 0964-8305, Vol. 63, s. 752-758Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The decolourization of a mixture of 200 mg/l each of Reactive Black 5 and Reactive REd 2 dye was studied in batch experiments using microorganisms growing on forest residue wood chips in combination with or without added white-rot fungus, Bjerakndera sp. BOL 13. The study was performed as a first stage in the development of a relatively simple treatement process for textile wastewater, designed to work in developing countries. Forest residue wood chips contain a mixture of fungi and bacteria which is an advantage when complex molecules should be degraded. The wood chips furthermore provide the microorganisms with carbon source which make the addition of e.g. glucose unnecessary. The results showed that the microorganisms growing on the forest residue wood chips decolourized the mixture of the two dyes; adding extra nutrients approximately doubled the decolourization rate. The time needed for decolourization was approximately 18 days when nutrients were added. Lignocellulosic material is complex and so were the analysis, microorganisms were therfore transferred to ordinary soft wood chips from forest residue wood chips, Decolourization was measured with spectrophotometer an in order to determine intermediates HPLC was used.

sted, utgiver, år, opplag, sider
Elsevier, 2009
Emneord
textile dyes, biodegradation, anaerobic, HPLC, intermediates, fungi
HSV kategori
Forskningsprogram
Teknik, Bioenergiteknik
Identifikatorer
urn:nbn:se:vxu:diva-6348 (URN)10.1016/j.ibiod.2009.05.005 (DOI)
Prosjekter
Microbial treatment of wastewater from textile industries using microorganisms growing on plant waste materials
Tilgjengelig fra: 2009-12-07 Laget: 2009-12-07 Sist oppdatert: 2017-12-12bibliografisk kontrollert
2. Biodegradation of azo and anthraquinone dyes in continuous systems
Åpne denne publikasjonen i ny fane eller vindu >>Biodegradation of azo and anthraquinone dyes in continuous systems
2011 (engelsk)Inngår i: International Biodeterioration & Biodegradation, ISSN 0964-8305, E-ISSN 1879-0208, Vol. 65, nr 1, s. 227-237Artikkel i tidsskrift (Fagfellevurdert) 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.

 

 

 

sted, utgiver, år, opplag, sider
Elsevier, 2011
Emneord
textile dye, industrial wastewater, lignocellulosic materia, native microflora fromforest residues
HSV kategori
Forskningsprogram
Teknik, Bioenergiteknik/Energi- och Miljöteknik
Identifikatorer
urn:nbn:se:lnu:diva-10268 (URN)10.1016/j.ibiod.2010.11.006 (DOI)000286847000034 ()2-s2.0-78650678059 (Scopus ID)
Tilgjengelig fra: 2011-01-20 Laget: 2011-01-20 Sist oppdatert: 2022-07-13bibliografisk kontrollert
3. Microbial diversity in a continuous system based on rice husks for biodegradation of the azo dyes Reactive Red 2 and Reactive Black 5
Åpne denne publikasjonen i ny fane eller vindu >>Microbial diversity in a continuous system based on rice husks for biodegradation of the azo dyes Reactive Red 2 and Reactive Black 5
2013 (engelsk)Inngår i: Bioresource Technology, ISSN 0960-8524, E-ISSN 1873-2976, Vol. 130, s. 681-688Artikkel i tidsskrift (Fagfellevurdert) 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.

sted, utgiver, år, opplag, sider
Elsevier, 2013
Emneord
biodegradation, textile dyes, azodyes, denaturing gradient gel electrophoresis (DGGE)
HSV kategori
Forskningsprogram
Teknik, Bioenergiteknik/Energi- och Miljöteknik
Identifikatorer
urn:nbn:se:lnu:diva-22899 (URN)10.1016/j.biortech.2012.12.097 (DOI)000316032300091 ()2-s2.0-84872408869 (Scopus ID)
Prosjekter
decolorization, industrial wastewater, lignocellulosic material, indigenous 27 decolorizers, l
Tilgjengelig fra: 2012-12-14 Laget: 2012-12-14 Sist oppdatert: 2021-05-05bibliografisk kontrollert
4. Treatment of Azo Dyes in Textile Industry Wastewater by Biological and/or Chemical Methods
Åpne denne publikasjonen i ny fane eller vindu >>Treatment of Azo Dyes in Textile Industry Wastewater by Biological and/or Chemical Methods
Vise andre…
2011 (engelsk)Inngår i: Separation and Purification Technology, ISSN 1383-5866, E-ISSN 1873-3794, Vol. 79, nr 1, s. 26-33Artikkel i tidsskrift (Fagfellevurdert) Published
Emneord
anaerobic microbial treatment, catalytic wet peroxide oxidation, azo dyes, textile industry wastewater
HSV kategori
Forskningsprogram
Teknik, Bioenergiteknik/Energi- och Miljöteknik
Identifikatorer
urn:nbn:se:lnu:diva-16598 (URN)10.1016/j.seppur.2011.03.007 (DOI)000291421200005 ()2-s2.0-79955579603 (Scopus ID)
Tilgjengelig fra: 2012-01-04 Laget: 2012-01-04 Sist oppdatert: 2022-07-13bibliografisk kontrollert
5. Microbial biotreatment of actual textile wastewater in a continuous sequential rice husk biofilter and the microbial community involved
Åpne denne publikasjonen i ny fane eller vindu >>Microbial biotreatment of actual textile wastewater in a continuous sequential rice husk biofilter and the microbial community involved
2017 (engelsk)Inngår i: PLOS ONE, E-ISSN 1932-6203, Vol. 12, nr 1, artikkel-id e0170562Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Textile dying processes often pollute wastewater with recalcitrant azo and anthraquinone dyes. Yet, there is little development of effective and affordable degradation systems for textile wastewater applicable in countries where water technologies remain poor. We determined biodegradation of actual textile wastewater in biofilters containing rice husks by spectrophotometry and liquid chromatography mass spectrometry. The indigenous microflora from the rice husks consistently performed >90% decolorization at a hydraulic retention time of 67 h. Analysis of microbial community composition of bacterial 16S rRNA genes and fungal internal transcribed spacer (ITS) gene fragments in the biofilters revealed a bacterial consortium known to carry azoreductase genes, such as Dysgonomonas, and Pseudomonas and the presence of fungal phylotypes such as Gibberella and Fusarium. Our findings emphasize that rice husk biofilters support a microbial community of both bacteria and fungi with key features for biodegradation of actual textile wastewater. These results suggest that microbial processes can substantially contribute to efficient and reliable degradation of actual textile wastewater. Thus, development of biodegradation systems holds promise for application of affordable wastewater treatment in polluted environments.

sted, utgiver, år, opplag, sider
PLOS, 2017
HSV kategori
Forskningsprogram
Miljövetenskap, Miljöteknik
Identifikatorer
urn:nbn:se:lnu:diva-23506 (URN)10.1371/journal.pone.0170562 (DOI)000396129000068 ()28114377 (PubMedID)2-s2.0-85010460238 (Scopus ID)
Tilgjengelig fra: 2013-01-17 Laget: 2013-01-17 Sist oppdatert: 2021-06-14bibliografisk kontrollert

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