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Accelerated biodegradation of n-alkanes in aqueous solution by the addition of fermented whey
Mid Sweden University, Faculty of Science, Technology and Media, Department of Engineering, Physics and Mathematics.
Mid Sweden University, Faculty of Science, Technology and Media, Department of Engineering, Physics and Mathematics.ORCID iD: 0000-0002-3204-4089
Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences.
2006 (English)In: International Biodeterioration & Biodegradation, ISSN 0964-8305, E-ISSN 1879-0208, Vol. 57, no 3, 190-194 p.Article in journal (Refereed) Published
Abstract [en]

The effect of fermented whey on the aerobic degradation of n-alkanes by a microbial consortium was investigated in an aqueous system. Microbial degradation of 100 mg n-alkanes (C12, C14, C16 and C18) in mineral nutrient medium was assessed by measuring the decrease in n-alkanes, production of CO2 and increase in biomass. The addition of fermented whey at a concentration of 5 mg dry weight to a nutrient medium receiving a small-sized inoculum (103.4 CFU ml-1)shortened the lag phase from 8 to 3 days, but the degradation rate during the degradation phase was not enhanced. The shortened lag phase at low initial concentration of microorganisms indicates that the fermented whey stimulates growth in the initial phase, without reducing the consortium's capacity for n-alkane degradation.

Place, publisher, year, edition, pages
2006. Vol. 57, no 3, 190-194 p.
Keyword [en]
Fermented whey, Degradation, n-Alkanes, Petroleum hydrocarbons, Mineralization
National Category
Chemical Sciences
Identifiers
URN: urn:nbn:se:miun:diva-3842DOI: 10.1016/j.ibiod.2006.01.006ISI: 000238401100009Scopus ID: 2-s2.0-33646561835Local ID: 4095OAI: oai:DiVA.org:miun-3842DiVA: diva2:28874
Available from: 2008-09-30 Created: 2008-09-30 Last updated: 2016-09-28Bibliographically approved
In thesis
1. Effects of organic amendments on the biodegradation of petroleum hydrocarbons in contaminated soil
Open this publication in new window or tab >>Effects of organic amendments on the biodegradation of petroleum hydrocarbons in contaminated soil
2006 (English)Doctoral thesis, comprehensive summary (Other academic)
Place, publisher, year, edition, pages
Sundsvall: Mittuniversitetet, 2006. 40 p.
Series
Mid Sweden University doctoral thesis, ISSN 1652-893X ; 12
National Category
Chemical Sciences
Identifiers
urn:nbn:se:miun:diva-8880 (URN)91-85317-28-4 (ISBN)
Public defence
(English)
Available from: 2009-05-06 Created: 2009-05-06 Last updated: 2011-05-29Bibliographically approved

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Östberg, Tomas L.Jonsson, Anders PLundström, Ulla S.
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Citation style
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