| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a contaminated soil cleaning method, in which a fluid (gas or liquid) for decomposing and removing contaminants by one injection well is injected to a plurality of stratums of different depths even when the stratum of a low permeability coefficient is present. <P>SOLUTION: The contaminated soil cleaning method includes: a process of forming one injection well (10) using a well material (1) provided with a plurality of injection parts (11, 12) for the fluid (gas or liquid); and a process of supplying the fluid to each of the plurality of fluid injection parts (11, 12) through fluid injection pipes (8, 9) and injecting the fluid (B: gas or liquid) from each of the plurality of fluid injection parts (11, 12) into soil G. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
