ORIGINAL POSITION CLEANING APPARATUS FOR POLLUTED SOIL

摘要

PROBLEM TO BE SOLVED: To shorten a cleaning period by accelerating the elution of the pollutant to injection water by mixing air into injection water to change the injection water into a turbulent flow to accelerate the removal of a pollutant. SOLUTION: In this original position cleaning apparatus for polluted soil constituted so that water is injected in a polluted area 4 polluted with the pollutant from a water injection well 6 provided in the vicinity of the polluted area 4 through a screen 6B to pump up the injected water in a water pump-up well 7 through a screen 7B so as to allow the same to flow through the polluted area 4 and cleaning the ground water pumped up from the water pump-up well 7 in a water treatment system 8, a sterilizing agent mixer for mixing a sterilizing agent with the injected water is provided to prevent the propagation of microorganisms on the respective screens. COPYRIGHT: (C)2005,JPO&NCIPI