POLLUTED SOIL CLEANING FACILITY AND ITS METHOD

摘要

PROBLEM TO BE SOLVED: To provide a polluted soil cleaning facility and its method surely cleaning polluted soil in a short period. SOLUTION: In this polluted soil cleaning facility, impervious sections provided with impervious walls and water flow sections provided with no impervious wall are formed around a treating object region including the polluted soil region polluted with pollutant. Groundwater containing pollutant is pumped up from the ground in the treating object region, and groundwater outside the treating object region is run into the treating object region from the water flow sections to lower the pollutant concentration of the soil in the treating object region. A pumping well is provided in the facility pumping up a given amount of water at a given location of the treating object region. COPYRIGHT: (C)2007,JPO&INPIT