Patent ID: 6497534
Filing Date: 2002-12-24
Classification: A01B,B09C

Abstract:
The method of treating hydrocarbon contamination, in soil, that includesa) providing and operating a rotary tiller having tilling elements that rotate into and out of the soil to till and loosen the soil, and to elevate soil upwardly so that loosened elevated soil then drops downwardly, and is aerated, b) and dispersing into the soil aqueous streams that contain microbes characterized as reacting with hydrocarbon in the loosened soil to produce CO2 and water, thereby to decontaminate the soil, c) and also including the steps: i) providing a source of said aqueous streams and relative to which said tiller travels, ii) and providing a flexible conduit delivering said aqueous streams from the source toward the tiller for said sub-paragraph b) dispersing.