| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method and a device for purifying contaminated soil or groundwater, the method being applicable to a ground which is low in water permeability. <P>SOLUTION: This is a method which purifies, at a purification site, contaminated soil 6 or groundwater, which is contaminated with volatile organic compounds, the contaminated soil 6 being low in water permeability. In this case, microbubbles and a nourishing agent, which prompts microorganisms living in the contaminated soil 6 to decompose the volatile organic compounds, are poured into the contaminated soil 6 to stir and mix them. By this, the microbubbles and nourishing agent for the soil purification are surely supplied to a ground which is low in water permeability, and the contaminated soil or groundwater which is contaminated with the volatile organic compounds is purified inexpensively. <P>COPYRIGHT: (C)2012,JPO&INPIT |
