METHOD OF OIL SLUDGE TREATMENT Russian patent published in 2003 - IPC

FIELD: microbiological cleaning of soil contaminated with oil products and processing of oil sludge. SUBSTANCE: method consists in that after mixing with microorganisms and biological stimulator, added to oil sludge is clean soil and wood sawdust. Microorganisms are used as strain of bacteria Bacillus sp., and biostimulator is used in the form of "Biotrin" protein feed additive with the following weight ratio of components in mixture of oil - sludge : microorganisms : biological stimulator 1:0.005:0.005 with subsequent conduction of incubation period. In this case, oil sludge, soil and sawdust are mixed in weight ratio of 1:2:1, and after incubation period lasting at least 50 days mixture is additionally treated with biological stimulator. EFFECT: higher degree of oil sludge decomposition directly in sludge residential places, reduced power consumption and labor input. 3 cl, 5 tbl, 1 ex