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Patent Searching and Data


Title:
GROUNDWATER RECHARGE SYSTEM
Document Type and Number:
Japanese Patent JP2017186771
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a groundwater recharge system, in which water flow efficiency in the recharge system is maintained and clogging of ground near a water injection well may be prevented.SOLUTION: It comprises a drawn water well 1 for drawing groundwater W, an oxidation agent supplementation part 12 in which groundwater W drawn from the drawn water well 1 is supplied with oxidation agent Ox, a removal part 20 into which groundwater W supplied with the oxidation agent Ox is introduced and in which groundwater W is processed, a reducing agent supplementation part 14 in which the groundwater W processed in the removal part 20 is supplied with reducing agent Re at a level where remaining volume of the oxidation agent Ox in the groundwater W is reduced to a predetermined value or less, and a water injection well 2 for injection of the groundwater W supplied with the reducing agent Re to the ground.SELECTED DRAWING: Figure 1

Inventors:
ISHIKAWA AKIRA
SERIZAWA SADAMI
TAZAKI MASAHARU
Application Number:
JP2016075418A
Publication Date:
October 12, 2017
Filing Date:
April 04, 2016
Export Citation:
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Assignee:
SHIMIZU CONSTRUCTION CO LTD
International Classes:
B01D37/02; E02D3/10; C02F1/70; C02F1/76; C02F1/78; E02D19/10
Domestic Patent References:
JP3455860B22003-10-14
JPS50146502A1975-11-25
JPH08196821A1996-08-06
JP2003305485A2003-10-28
JP2011136296A2011-07-14
JP2014155926A2014-08-28
JP4379086B22009-12-09
JP2008296188A2008-12-11
JPS61149292A1986-07-07
JP2002239565A2002-08-27
JP2012239947A2012-12-10
Foreign References:
US4199272A1980-04-22
US7563377B12009-07-21
WO2012144384A12012-10-26
Attorney, Agent or Firm:
Masatake Shiga
Tadashi Takahashi
Yoshifumi Saeki
Kenichi Kawabuchi