METHOD OF SOIL CLEANING FROM ORGANIC CONTAMINANTS Russian patent published in 1999 - IPC

FIELD: means of soil cleaning from organic contaminants. SUBSTANCE: method provides for introduction of electrodes into soil, passing through soil of direct current between electrodes and introduction into zone of cleaning of solution, for instance, microorganisms oxidizing the contaminants. Direction of DC applied to electrodes is periodically changed. Introduced into zone of cleaning are substances which liberate oxygen in the process of their decomposition. EFFECT: complete decomposition of contaminants in zone of cleaning, exclusion of their transportation and elimination, and increased efficiency of cleaning process. 5 cl, 1 dwg