| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem that, when soil is cohesive or contains a large amount of cohesive soil, since the diffusion and movement of pollutants is very slow, a speed of catching the pollutants by a pollutant catching material is slow to make it difficult to remove the pollutants efficiently. SOLUTION: In a method for removing the pollutants, a granule passage filled with granules is installed continuously in soil polluted with the pollutants, a pollutant catching pipe is installed in the soil to make a part or the whole of the pipe be contacted with the passage, and the pressure of the pipe is reduced to remove the pollutants in the soil. Alternatively, a wall body is formed in the passage to prevent the breakdown of the passage when the passage is excavated.
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