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Title (Primary) Biodegradation of diesel/biodiesel blends by a consortium of hydrocarbon degraders: Effect of the type of blend and the addition of biosurfactants
Author Owsianiak, M.; Chrzanowski, Ł.; Szulc, A.; Staniewski, J.; Olszanowski, A.; Olejnik-Schmidt, A.K.; Heipieper, H.J.;
Journal Bioresource Technology
Year 2009
Department UBT;
Volume 100
Issue 3
Language englisch;
Keywords Biodegradation; Biodiesel; Blends; Microbial consortium; Rhamnolipids
Abstract Biodegradation experiments for diesel/biodiesel blends in liquid cultures by-petroleum degrading microbial consortium showed that for low amendments of biodiesel (10%) the overall biodegradation efficiency of the mixture after seven days was lower than for petroleum diesel fuel. Preferential usage of methyl esters in the broad biodiesel concentration range and diminished biodegradation of petroleum hydrocarbons for 10% biodiesel blend was confirmed. Rhamnolipids improved biodegradation efficiency only for blends with low content of biodiesel. Emulsion formation experiments showed that biodiesel amendments significantly affected dispersion of fuel mixtures in water. The presence of rhamnolipids biosurfactant affected stability of such emulsions and altered cell surface properties of tested consortium.
ID 464
Persistent UFZ Identifier https://www.ufz.de/index.php?en=20939&ufzPublicationIdentifier=464
Owsianiak, M., Chrzanowski, Ł., Szulc, A., Staniewski, J., Olszanowski, A., Olejnik-Schmidt, A.K., Heipieper, H.J. (2009):
Biodegradation of diesel/biodiesel blends by a consortium of hydrocarbon degraders: Effect of the type of blend and the addition of biosurfactants
Bioresour. Technol. 100 (3), 1497 - 1500