Title:
A purification method of contaminated ground, and a purifying facility of contaminated ground
Document Type and Number:
Japanese Patent JP6170661
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a purifier or the like of underground contaminated water in which active carbon can be efficiently used as a cleaning agent.SOLUTION: Provided is a purification method of contaminated ground in which air is injected in contamination foundation and clarification is performed, and that is disposed in the foundation, and in which while the injection amount is changed with time passing without interruption, the air is injected into the foundation from an air injection well in which the air can be injected by two or more injection amounts that are mutually different per unit time.
Inventors:
Naohito Nishikawa
Haruhiko Fujii
Yoji Ishikawa
Kiriyama Hisa
Haruhiko Fujii
Yoji Ishikawa
Kiriyama Hisa
Application Number:
JP2012220519A
Publication Date:
July 26, 2017
Filing Date:
October 02, 2012
Export Citation:
Assignee:
Obayashi Corporation
Toho Gas Co., Ltd.
Toho Gas Co., Ltd.
International Classes:
B09C1/00; C02F1/20
Domestic Patent References:
| JP8168751A | ||||
| JP9094558A | ||||
| JP8309331A | ||||
| JP2006512203A |
Attorney, Agent or Firm:
Isshiki International Patent Service Corporation
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