| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an in situ bioremediation construction method accompanied by preculture, allowing efficient and inexpensive cleaning of polluted soil or polluted underground water, and reducing influence on environment or human bodies, and a system used therefor. <P>SOLUTION: The system comprises a water intake well 1 excavated and installed at a downstream side of a polluted area for the purpose of pumping up polluted underground water from the underground polluted area 10 polluted with benzene; a culturing plant 2 provided on the ground for the purpose of cultivating the polluted underground water pumped up from the intake well 1 under aerobic conditions; an injection well 3 excavated and installed at an upstream side of the polluted area for the purpose of returning cultured solution cultured in the culturing plant 2 to the polluted area; and an oxygen supply pump 4 installed by excavating in the polluted area for the purpose of keeping the whole in situ underground polluted area aerobic. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
