A process for the in - situ - renovation of the bottom and / or water / ground water in the bottom with a contaminated soil area as well as a plant for this purpose and the substance

摘要

A process for the in - situ - reconstruction of a bottom and / or of the water / ground water in the bottom with a contaminated soil area (20), which contains at least partially biodegradable pollutants, characterized in that, in the bottom substantially below the contaminated ground area (20) a substance with a substance which releases oxygen and with a softgel injected and at least a depot (25, 30, 35) is formed, from the depot in the bottom oxygen is released slowly to promote aerobic degradation processes of the pollutants in the upward direction into the contaminated soil area (20) diffuses.