Using Microorganisms for Cleaning Oil-Contaminated Concrete

Issayeva A.U., Babenko A.S., Sattarova A.M., Tleukeeva A.Ye., Issayev Ye.B.


Revealed that the distribution of spots on the surface of the concrete depends on its density and structure, and the penetration of oil into the concrete occurs through micro- and nano-pores and cracks of the further spread of spots along the pathways. It was found that the use of hydrocarbon-oxidizing microorganisms strains as Micrococcus luteus IS16, M. varians IS41, micromycetes: Aspergillus sp., Penicillium sp., Alternaria sp., thiobacteria Acidithiobacillus ferrooxidans Ach1, A. ferrooxidans Ach2 promising for biological treatment of oil-contaminated concrete. Create optimal conditions for maintaining the activity of microorganisms: 55,0 ± 15,0% moisture, nutrients, temperature 38,0 ± 2,00C, trace elements, optimize the biodegradation of petroleum hydrocarbons.

Keywords: oil-contaminated concrete, bioremediation, hydrocarbon-oxidizing microorganisms, thiobacteria.

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ISSN (Paper)2224-3216 ISSN (Online)2225-0948

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