Abstract
The results of the studies on the biological treatment of wastewaters containing diesel oil and the possibility of increasing the effectiveness of this process by a modification of the microbial composition of activated sludge are presented. Selected strains were used to construct a microbial inoculum enriching conventional activated sludge. The performance of activated sludge prepared in such a manner was compared with that of the conventional activated sludge, with respect to the treatment of wastewaters containing diesel oil. The process of biodegradation of diesel oil components was monitored with generally accepted technological, chemical, biological and biochemical methods. Enzymatic degradation of diesel oil by the studied activated sludges was performed in the broad range of concentrations, between 50 and 3100 mg of oil per dm3. The application of the modified activated sludge gave much better results than the conventional sludge. The efficiency of wastewaters treatment was 22,8% higher when the activated sludge was enriched with new, active strains of microorganisms.
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Piekarska, K. (2003). Biodegradation of Diesel Oil Compounds by Microbiologically Modified Activated Sludge. In: Pawłowski, L., Dudzińska, M.R., Pawłowski, A. (eds) Environmental Engineering Studies. Springer, Boston, MA. https://doi.org/10.1007/978-1-4419-8949-9_27
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DOI: https://doi.org/10.1007/978-1-4419-8949-9_27
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