SG11201805887QA - Water treatment device and water treatment method - Google Patents

Water treatment device and water treatment method

Info

Publication number
SG11201805887QA
SG11201805887QA SG11201805887QA SG11201805887QA SG11201805887QA SG 11201805887Q A SG11201805887Q A SG 11201805887QA SG 11201805887Q A SG11201805887Q A SG 11201805887QA SG 11201805887Q A SG11201805887Q A SG 11201805887QA SG 11201805887Q A SG11201805887Q A SG 11201805887QA
Authority
SG
Singapore
Prior art keywords
conductive porous
porous members
water treatment
grains
receptacle
Prior art date
Application number
SG11201805887QA
Inventor
Tokiko Yamauchi
Yoshihiro Nakayama
Eiji Imamura
Nozomu Yasunaga
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of SG11201805887QA publication Critical patent/SG11201805887QA/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/46104—Devices therefor; Their operating or servicing
    • C02F1/46109—Electrodes
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/469—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
    • C02F1/4691—Capacitive deionisation
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/46104—Devices therefor; Their operating or servicing
    • C02F1/46109—Electrodes
    • C02F2001/46119—Cleaning the electrodes
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/46104—Devices therefor; Their operating or servicing
    • C02F1/46109—Electrodes
    • C02F2001/46133—Electrodes characterised by the material
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/08—Seawater, e.g. for desalination
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/002—Construction details of the apparatus
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/46—Apparatus for electrochemical processes
    • C02F2201/461—Electrolysis apparatus
    • C02F2201/46105—Details relating to the electrolytic devices
    • C02F2201/46115—Electrolytic cell with membranes or diaphragms
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/46—Apparatus for electrochemical processes
    • C02F2201/461—Electrolysis apparatus
    • C02F2201/46105—Details relating to the electrolytic devices
    • C02F2201/46195—Cells containing solid electrolyte

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Molecular Biology (AREA)
  • Health & Medical Sciences (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)

Abstract

55 A water treatment device (1) is such that a treatment target water introduction portion (9a) is provided in an upper portion of a receptacle (9), and the water treatment device (1) has a space (8) in which conductive porous members (7) are not disposed between the conductive porous members (7) and the treatment target water introduction portion (9a) in the receptacle (9). When a backwashing fluid is introduced from a lower portion of the receptacle (9) in a desorption step, the conductive porous members (7) flow and are agitated owing to the backwashing fluid, because of which a desorption of ions adsorbed to the conductive porous members (7) is promoted. Furthermore, grains of the agitated conductive porous members (7) collide with other grains of the conductive porous members (7) or with electrodes (2) or a separator (5), whereby scale and a biofilm appearing on surfaces of the grains of the conductive porous members (7), the electrodes (2), or the separator (5) can be removed, and desalination efficiency can be maintained.
SG11201805887QA 2016-01-12 2016-12-26 Water treatment device and water treatment method SG11201805887QA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016003279 2016-01-12
PCT/JP2016/088641 WO2017122520A1 (en) 2016-01-12 2016-12-26 Water treatment device and water treatment method

Publications (1)

Publication Number Publication Date
SG11201805887QA true SG11201805887QA (en) 2018-08-30

Family

ID=59311007

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201805887QA SG11201805887QA (en) 2016-01-12 2016-12-26 Water treatment device and water treatment method

Country Status (5)

Country Link
US (1) US10941056B2 (en)
JP (1) JP6199001B1 (en)
CN (1) CN108430934B (en)
SG (1) SG11201805887QA (en)
WO (1) WO2017122520A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102049726B1 (en) 2016-11-02 2019-11-28 미쓰비시덴키 가부시키가이샤 Water treatment device and water treatment method
WO2020039676A1 (en) * 2018-08-23 2020-02-27 株式会社寿通商 Water treatment device and ion concentration adjusted water manufacturing method
CN113544096B (en) * 2019-02-20 2023-07-28 密歇根州立大学董事会 Electrode assembly for generating a non-uniform electric field to remove polarized molecules in a fluid
US11554972B2 (en) * 2019-06-10 2023-01-17 H2oElite LLC Treating water using a non-uniform magnetic field
CN110771688A (en) * 2019-11-06 2020-02-11 江阴国能绿地新能源科技有限公司 Heating system for making bean products
DE102019217482A1 (en) * 2019-11-13 2021-05-20 Robert Bosch Gmbh Process for the capacitive deionization of water

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56121488U (en) 1980-02-18 1981-09-16
JPS6195295A (en) 1984-10-17 1986-05-14 株式会社日立製作所 Water treatment device for nuclear power plant
JPH01123690A (en) 1987-11-06 1989-05-16 Kazuhiko Kawamura Method and device for cleaning water
US5620597A (en) * 1990-04-23 1997-04-15 Andelman; Marc D. Non-fouling flow-through capacitor
JP3133880B2 (en) 1993-12-16 2001-02-13 株式会社日立製作所 Equipment for treating wastewater containing ammonium nitrate
US6309532B1 (en) 1994-05-20 2001-10-30 Regents Of The University Of California Method and apparatus for capacitive deionization and electrochemical purification and regeneration of electrodes
US5425858A (en) * 1994-05-20 1995-06-20 The Regents Of The University Of California Method and apparatus for capacitive deionization, electrochemical purification, and regeneration of electrodes
JP3893740B2 (en) * 1998-05-07 2007-03-14 栗田工業株式会社 Electrolytic capacitor type desalting apparatus and desalting method
JP2002336863A (en) 2001-05-18 2002-11-26 Kurita Water Ind Ltd Method and apparatus for making desalted water
JP4026344B2 (en) 2001-10-02 2007-12-26 栗田工業株式会社 Membrane separation method and apparatus
US20080078673A1 (en) * 2006-09-29 2008-04-03 The Water Company Llc Electrode for use in a deionization apparatus and method of making same and regenerating the same
WO2010150534A1 (en) 2009-06-23 2010-12-29 クラレケミカル株式会社 Flow-through capacitor, method for producing deionized water, and device for producing deionized water
US8663445B2 (en) * 2009-09-30 2014-03-04 General Electric Company Electrochemical desalination system and method
EP2322486B1 (en) * 2009-11-04 2014-01-22 Voltea B.V. An apparatus and method for removal of ions
GB0921953D0 (en) 2009-12-16 2010-02-03 Enpar Technologies Inc Flow-through electro static water filter

Also Published As

Publication number Publication date
US10941056B2 (en) 2021-03-09
CN108430934B (en) 2021-03-12
WO2017122520A1 (en) 2017-07-20
CN108430934A (en) 2018-08-21
JP6199001B1 (en) 2017-09-20
US20180327288A1 (en) 2018-11-15
JPWO2017122520A1 (en) 2018-01-18

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