METHOD OF CLEANING OF THE GROUND FROM THE OIL POLLUTIONS Russian patent published in 2006 - IPC B09C1/08 B09C1/10 

FIELD: environmental protection; all branches of industry; methods of cleaning of the ground from oil pollutions.

SUBSTANCE: the invention is pertaining to the field of the environmental protection and may be used for cleaning the soils or the ground from the oil products pollutions in all branches of industry dealt with processing, transportation or the oil and oil products storage, and also at elimination of effects of accidents or catastrophes. The ground is introduced with the additive stimulating the growth of the present in the ground oil oxidizing micro-organisms. In the capacity of the additive use the synthetic washing substance (SWS) containing 10-20 % of the surface-active substance (SAS), 30-40 % of phosphates. At that the concentration of SAS compounds 0.1-1 g/kg of the ground. The additive may additionally contain a complex mineral fertilizer with concentration of 0.7 g/kg of the ground, and-or the molasses solution up to the final concentration of sugars of 3-5 g/kg of the ground, and-or the crude oil in the concentration of 0.5 g/kg of the ground. The technical result of the invention is - acceleration of the process of the ground cleaning from the aged pollution, which is present in the surrounding medium of no less than 12 months, with the concentration of the oil products of 30-400 g/kg of the ground at maintaining the efficiency of the cleaning, simplification of the method and reduction of expenditure on the bioremediation.

EFFECT: the invention ensures acceleration of the process of the ground cleaning from the pollutions present in the ground of no less than 12 months and having concentration of 30-400 g/kg of the ground; maintaining the efficiency of the cleaning, simplification of the method and reduction of expenditure on the bioremediation.

5 cl, 3 dwg, 3 ex, 1 tbl