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Title:
地下水の処理方法
Document Type and Number:
Japanese Patent JP6698409
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a groundwater processing method, clogging of ground to which groundwater stored in a recharge method is returned may be prevented.SOLUTION: It comprises a drawn water well 1 for drawing groundwater W, a removal part 20 into which the groundwater W drawn from the drawn water well 1 is introduced and in which SS components etc. contained in the groundwater are removed, a reducing agent supplementation part 14 at which reducing agent Re is supplied to the groundwater W processed in the removal part 20 to a level where oxidation-reduction potential of the groundwater W is reduced to a predetermined value or less, and a water injection well 2 for injecting the groundwater W into which the reducing agent Re is supplied into an aquifer (ground) S3. The groundwater W drawn from the drawn water well 1 is led to the water injection well 2 via a drawn water pipe (water pipe) 8A and water pipes 8B, 8C, 8D of a closed system.SELECTED DRAWING: Figure 12

Inventors:
Akira Ishikawa
Sadami Serizawa
Application Number:
JP2016075417A
Publication Date:
May 27, 2020
Filing Date:
April 04, 2016
Export Citation:
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Assignee:
Shimizu Construction Co., Ltd.
International Classes:
E02D19/10; C02F1/70; C02F1/72; E02D3/10
Domestic Patent References:
JP3455860B2
JP50146502A
JP2002256538A
JP9239361A
JP2003225519A
JP2002200485A
JP2005021765A
JP10216746A
JP61149292A
JP2007260612A
JP4379086B2
Foreign References:
WO2012144384A1
US4199272
US7563377
KR101160678B1
CN105625295A
CN104358267A
Attorney, Agent or Firm:
Yasushi Matsunuma
Kenichi Kawabuchi
Nishizawa Kazumi
Masatake Shiga
Tadashi Takahashi
Yoshifumi Saeki