GROUNDWATER PROCESSING METHOD - SHIMIZU CONSTRUCTION CO LTD

Title:

GROUNDWATER PROCESSING METHOD

Document Type and Number:

Japanese Patent JP2017186770

Kind Code:

A

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

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Inventors:

ISHIKAWA AKIRA
SERIZAWA SADAMI
TAZAKI MASAHARU

Application Number:

JP2016075417A

Publication Date:

October 12, 2017

Filing Date:

April 04, 2016

Export Citation:

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Assignee:

SHIMIZU CONSTRUCTION CO LTD

International Classes:

E02D19/10; C02F1/70; C02F1/72

Domestic Patent References:

JP3455860B2	2003-10-14
JPS50146502A	1975-11-25
JPS61149292A	1986-07-07
JP2007260612A	2007-10-11
JP4379086B2	2009-12-09
JP2002256538A	2002-09-11
JPH09239361A	1997-09-16
JP2003225519A	2003-08-12
JP2002200485A	2002-07-16
JP2005021765A	2005-01-27
JPH10216746A	1998-08-18

Foreign References:

US4199272A	1980-04-22
US7563377B1	2009-07-21
KR101160678B1	2012-06-28
CN105625295A	2016-06-01
CN104358267A	2015-02-18
WO2012144384A1	2012-10-26

Attorney, Agent or Firm:

Masatake Shiga
Tadashi Takahashi
Yoshifumi Saeki
Kenichi Kawabuchi

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