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Rapid biodegradation of methyl tert-butyl ether (MTBE) by pure bacterial cultures
Department of Chemical Engineering, Isfahan University of Technology.
Department of Chemical Engineering, Isfahan University of Technology.
University of Borås, Faculty of Textiles, Engineering and Business.ORCID iD: 0000-0003-4887-2433
2007 (English)In: Iranian Journal of Chemistry and Chemical Engineering, ISSN 1021-9986, Vol. 26, no 1, p. 1-7Article in journal (Refereed) Published
Sustainable development
In my opinion, the content of this publication falls within the area of sustainable development.
Abstract [en]

Two pure bacterial strains capable of rapid degrading methyl tert-butyl ether (MTBE) were isolated from an industrial wastewater treatment plant, identified and characterized. These strains are able to grow on MTBE as the sole carbon and energy souces and completely mineralize it to the biomass and carbon dioxide. The strains were identified as Bacillus cereus and Klebsiella terrigena. Both strains are able to grow in the presence of 48 gl-1 MTBE in water, which is almost the maximum concentration of MTBE in the water. They were able to completely degrade 10 gl-1 MTBE in less than a day. The specific degradation rate of MTBE at optimum conditions were 5.89 and 5.78 g(MTBE) g(cells)-1 h-1 for B. cereus and K. terrigena, respectively. The biomass yield was 0.085 and 0.076 gg-1, respectively. The cultivations were carried out successfully at 25, 30 and 37 °C, while they showed the best performance at 37 °C. Neither of the strains was able to grow and degrade MTBE anaerobically.

Place, publisher, year, edition, pages
2007. Vol. 26, no 1, p. 1-7
Keywords [en]
Activated sludge, Aerobic, Anaerobic, Bacillus cereus, Klebsiella terrigena, Mineralization, MTBE biodegradation, Pure bacterial strain
National Category
Industrial Biotechnology
Identifiers
URN: urn:nbn:se:hb:diva-14802Scopus ID: 2-s2.0-34249912037ISBN: 10219986 (ISSN) OAI: oai:DiVA.org:hb-14802DiVA, id: diva2:1236579
Available from: 2018-08-03 Created: 2018-08-03 Last updated: 2018-08-08Bibliographically approved

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Taherzadeh, Mohammad J

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CiteExportLink to record
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