Experimental studies of the effectiveness of biological treatment of oil-contaminated soils

Abstract

Surface and underground spills of oil and petroleum products often occur at many facilities, such as industrial enterprises, thermal power plants, boiler houses, transport parks, gas stations, warehouses of fuel and lubricants, etc. Environmental disturbance of soils and soil causes the necessity of spill control and reclamation of the contaminated territories. The most economically and ecologically advantageous is bioremediation at the pollution site. In this case the contaminated space is aerated through a system of filtering channels, stimulating the vital activity of autochthonous hydrocarbon-oxidizing microorganisms. In order to establish the pattern of changes in physical and chemical properties of soils and system parameters in the bacterial method of remediation, to determine the criterial dependencies and refine the design of the bioreactor the analysis of field work, samples of contaminated soil and soils was conducted, a mathematical and justified physical model of the oil pollution locus was created.