Purifying system for contaminated soil using sand filter bath

摘要

The present invention is a washing device for washing and sorting contaminated soil; A reaction tank for receiving the mixed fluid including the contaminated soil and process water classified from the washing device to elute contaminants and to aggregate and precipitate the eluted contaminants; A system for purifying contaminated soil using a filtration tank, comprising: a filtration tank receiving supernatant water from the reaction tank and circulating the treated water through the cleaning device by filtering contaminants using silt washed by the cleaning device. It is about.