| 摘要 |
PURPOSE:To clean soil and ground water contaminated by an organochlorine compound such as trichloroethylene. CONSTITUTION:In a treatment method of the soil 2 and the ground water 3 contaminated by the organochlorine compound, by repeating to pass the ground water 12, pumped up from the contaminated area, successively through the air dissolving process 4, the filtration process 5 and the dissolving process 6, in which the mixture of methane and air is dissolved, before the operation 15, which is to return the ground water in the ground, the soil and the ground water are cleaned. |
