JP2015509048A - 電気化学的再生水の脱イオン - Google Patents

電気化学的再生水の脱イオン Download PDF

Info

Publication number
JP2015509048A
JP2015509048A JP2014555550A JP2014555550A JP2015509048A JP 2015509048 A JP2015509048 A JP 2015509048A JP 2014555550 A JP2014555550 A JP 2014555550A JP 2014555550 A JP2014555550 A JP 2014555550A JP 2015509048 A JP2015509048 A JP 2015509048A
Authority
JP
Japan
Prior art keywords
chamber
concentrate
anode
scale
cation exchange
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP2014555550A
Other languages
English (en)
Japanese (ja)
Other versions
JP2015509048A5 (enExample
Inventor
ラス，デイビッド，フランシス
ジェイムス，ライアン エリオット，ケビン
ジェイムス，ライアン エリオット，ケビン
キルマン，ライル，イー．
Original Assignee
タンジェント カンパニー エルエルシー
タンジェント カンパニー エルエルシー
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 タンジェント カンパニー エルエルシー, タンジェント カンパニー エルエルシー filed Critical タンジェント カンパニー エルエルシー
Publication of JP2015509048A publication Critical patent/JP2015509048A/ja
Publication of JP2015509048A5 publication Critical patent/JP2015509048A5/ja
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/42—Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
    • B01D61/44—Ion-selective electrodialysis
    • B01D61/54—Controlling or regulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/42—Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
    • B01D61/44—Ion-selective electrodialysis
    • B01D61/445—Ion-selective electrodialysis with bipolar membranes; Water splitting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/42—Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
    • B01D61/44—Ion-selective electrodialysis
    • B01D61/46—Apparatus therefor
    • B01D61/48—Apparatus therefor having one or more compartments filled with ion-exchange material, e.g. electrodeionisation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/42—Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
    • B01D61/44—Ion-selective electrodialysis
    • B01D61/52—Accessories; Auxiliary operation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
    • B01D65/08—Prevention of membrane fouling or of concentration polarisation
    • 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
    • C02F1/4602—Treatment of water, waste water, or sewage by electrochemical methods for prevention or elimination of deposits
    • 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
    • C02F1/4693—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis electrodialysis
    • C02F1/4695—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis electrodialysis electrodeionisation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2313/00—Details relating to membrane modules or apparatus
    • B01D2313/32—Intermediate chambers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
    • B01D2321/22—Electrical effects
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/05—Conductivity or salinity
    • C02F2209/055—Hardness
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/06—Controlling or monitoring parameters in water treatment pH
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/22—Eliminating or preventing deposits, scale removal, scale prevention

Landscapes

  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Urology & Nephrology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Molecular Biology (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
JP2014555550A 2012-02-02 2012-12-13 電気化学的再生水の脱イオン Pending JP2015509048A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13/364,540 US9724645B2 (en) 2012-02-02 2012-02-02 Electrochemically regenerated water deionization
US13/364,540 2012-02-02
PCT/US2012/069474 WO2013115913A1 (en) 2012-02-02 2012-12-13 Electrochemically regenerated water deionization

Publications (2)

Publication Number Publication Date
JP2015509048A true JP2015509048A (ja) 2015-03-26
JP2015509048A5 JP2015509048A5 (enExample) 2016-02-12

Family

ID=48901937

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2014555550A Pending JP2015509048A (ja) 2012-02-02 2012-12-13 電気化学的再生水の脱イオン

Country Status (6)

Country Link
US (1) US9724645B2 (enExample)
EP (1) EP2809431A4 (enExample)
JP (1) JP2015509048A (enExample)
KR (1) KR20140135965A (enExample)
CA (1) CA2863598A1 (enExample)
WO (1) WO2013115913A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022114794A (ja) * 2021-01-27 2022-08-08 栗田工業株式会社 電気脱イオン装置及び脱イオン水の製造方法

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR112015018469A2 (pt) * 2013-02-01 2017-07-18 3M Innovative Properties Co células eletroquímicas recarregáveis
FR3014863B1 (fr) * 2013-12-13 2018-03-02 Geocorail Systeme et procede de traitement electrochimique in situ, pour le captage des polluants, la sedimentation et la depollution des sites marins contamines.
WO2016033319A1 (en) * 2014-08-27 2016-03-03 Tangent Company Llc Electrochemically regenerated water decationization method and apparatus
CA3034104A1 (en) * 2016-08-23 2018-03-01 Swan Analytische Instrumente Ag Device and method for the electrodeionization of a liquid
CN110818037A (zh) * 2019-11-18 2020-02-21 北京师范大学 一种反渗透浓水的电氧化还原处理工艺
CN110917881A (zh) * 2019-12-13 2020-03-27 陕西易莱德新材料科技有限公司 一种双极膜的制备方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH022830A (ja) * 1988-06-15 1990-01-08 Babcock Hitachi Kk 電気透析装置
EP0839762A2 (en) * 1996-10-29 1998-05-06 Ebara Corporation Method and apparatus for scale prevention in producing deionized water
WO2003097536A1 (en) * 2002-05-17 2003-11-27 Ebara Corporation Electric demineralizer
US20060060532A1 (en) * 2004-09-13 2006-03-23 The University Of South Carolina Water desalination process and apparatus
JP2010036142A (ja) * 2008-08-07 2010-02-18 Panasonic Corp 軟水化装置およびそれを備えた給湯装置
JP2012217943A (ja) * 2011-04-11 2012-11-12 Takasago Thermal Eng Co Ltd 脱塩処理方法及び脱塩処理システム

Family Cites Families (78)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2980598A (en) 1957-12-09 1961-04-18 Gen Electric Water demineralizing methods and systems
FR1227396A (fr) 1959-03-04 1960-08-19 Cie Constr Gros Mat Electromec Procédé électrolytique de traitement d'eau de mer ou d'eau saumâtre, en particulier pour réduire son aptitude à l'entartrage
SU132132A1 (ru) 1960-05-04 1960-11-30 А.М. Кязимов Способ уменьшени карбонатной жесткости циркул ционной воды оборотных схем охлаждени
NL288721A (enExample) 1962-02-19
US3562433A (en) 1968-06-27 1971-02-09 Us Army Digital speech plus telegraph system
US3788959A (en) * 1972-05-05 1974-01-29 Sybron Corp Electrodialytic recovery of acid and insoluble products from spent liquors
US4032452A (en) 1975-11-13 1977-06-28 Sybron Corporation Electrically regenerated ion exchange system
USD248157S (en) 1976-05-19 1978-06-13 Ionics, Inc. Electrode frame for use in an electrolytic filter press cell apparatus or the like
US4067794A (en) 1977-01-14 1978-01-10 Ionics, Inc. Sealing gasket for chamber wall
US4062756A (en) 1977-03-07 1977-12-13 Ionics, Inc. Liquid flow distribution screen
US4465573A (en) 1981-05-12 1984-08-14 Hare Harry M O Method and apparatus for the purification of water
WO1983003984A1 (fr) 1982-05-13 1983-11-24 Gerhard Kunz Procede de traitement d'une phase liquide, en particulier procede de dessalement de solutions aqueuses, ainsi que dispositif permettant sa mise en oeuvre
DE3338194C2 (de) 1983-10-20 1994-04-07 Klaus Prof Dr Kock Verfahren zur Verhinderung der Niederschlagsbildung bei der Entionisierung von Rohwasser
US4925541B1 (en) 1984-07-09 1994-08-02 Millipore Corp Electrodeionization apparatus and method
US5154809A (en) 1984-07-09 1992-10-13 Millipore Corporation Process for purifying water
DE3568946D1 (en) 1984-07-09 1989-04-27 Millipore Corp Improved electrodeionization apparatus and method
US4747929A (en) 1986-10-01 1988-05-31 Millipore Corporation Depletion compartment and spacer construction for electrodeionization apparatus
US4871431A (en) 1988-07-11 1989-10-03 Ionics, Incorporated Apparatus for the removal of dissolved solids from liquids using bipolar membranes
US4969983A (en) 1988-07-11 1990-11-13 Ionics, Incorporated Apparatus and process for the removal of acidic and basic gases from fluid mixtures using bipolar membranes
US4964970A (en) 1988-10-05 1990-10-23 Hoh Water Technology Corp. Compact low volume water purification apparatus
US5032265A (en) 1990-06-20 1991-07-16 Millipore Corporation Method and system for producing sterile aqueous solutions
WO1992009724A1 (en) * 1990-11-28 1992-06-11 Moltech Invent Sa Electrode assemblies and multimonopolar cells for aluminium electrowinning
WO1992011089A1 (en) 1990-12-17 1992-07-09 Ionpure Technologies Corporation Electrodeionization apparatus
IL97543A (en) 1991-03-14 1994-11-11 Yeda Res & Dev Electrodialysis reversal process and apparatus with bipolar membranes for hard-water softening
US5259936A (en) 1991-06-19 1993-11-09 Millipore Corporation Purified ion exchange resins and process
US5211823A (en) 1991-06-19 1993-05-18 Millipore Corporation Process for purifying resins utilizing bipolar interface
US5427667A (en) 1992-04-03 1995-06-27 Bakhir; Vitold M. Apparatus for electrochemical treatment of water
RU2064440C1 (ru) 1992-06-04 1996-07-27 Научно-производственное объединение "Экран" Способ обработки воды
DE4238532A1 (de) 1992-11-14 1994-05-19 Kunz Gerhard K Verfahren und Vorrichtung zum Entsalzen wäßriger Lösungen mittels Ionenaustauschermassen
US6024850A (en) 1993-10-27 2000-02-15 Halox Technologies Corporation Modified ion exchange materials
DE69531415T2 (de) 1994-05-20 2004-04-15 United States Filter Corp., Palm Desert Kompartimente für elektrischen Entionisierungsapparat
DE4418812C2 (de) 1994-05-30 1999-03-25 Forschungszentrum Juelich Gmbh Einfach- und Mehrfachelektrolysezellen sowie Anordnungen davon zur Entionisierung von wäßrigen Medien
KR100409416B1 (ko) 1996-06-03 2005-06-13 오르가노 코포레이션 전기탈이온법에의한탈이온수의제조법
US5868915A (en) 1996-09-23 1999-02-09 United States Filter Corporation Electrodeionization apparatus and method
US5788826A (en) 1997-01-28 1998-08-04 Pionetics Corporation Electrochemically assisted ion exchange
AUPO671597A0 (en) 1997-05-09 1997-06-05 Crc For Waste Management And Pollution Control Limited Electrochemical regeneration of ion exchange resin
US6056878A (en) 1998-08-03 2000-05-02 E-Cell Corporation Method and apparatus for reducing scaling in electrodeionization systems and for improving efficiency thereof
US6149788A (en) 1998-10-16 2000-11-21 E-Cell Corporation Method and apparatus for preventing scaling in electrodeionization units
US6284124B1 (en) 1999-01-29 2001-09-04 United States Filter Corporation Electrodeionization apparatus and method
JP3385553B2 (ja) 1999-03-25 2003-03-10 オルガノ株式会社 電気式脱イオン水製造装置及び脱イオン水製造方法
US6296751B1 (en) 1999-09-13 2001-10-02 Leon Mir Electrodeionization apparatus with scaling control
EP1106241A1 (en) 1999-12-10 2001-06-13 Asahi Glass Company Ltd. Electro-regenerating type apparatus for producing deionized water
US6827832B2 (en) * 1999-12-22 2004-12-07 National Research Council Of Canada Electrochemical cell and process for reducing the amount of organic contaminants in metal plating baths
US6274019B1 (en) * 2000-03-08 2001-08-14 Organo Corporation Electrodeionization apparatus
EP1282463B1 (en) 2000-05-10 2010-10-27 Millipore Corporation Improved electrodeionization module
GB0016846D0 (en) 2000-07-10 2000-08-30 United States Filter Corp Electrodeionisation Apparatus
US6391178B1 (en) 2000-07-13 2002-05-21 Millipore Corporation Electrodeionization system
JP3794268B2 (ja) 2001-01-05 2006-07-05 栗田工業株式会社 電気脱イオン装置及びその運転方法
US6607647B2 (en) 2001-04-25 2003-08-19 United States Filter Corporation Electrodeionization apparatus with expanded conductive mesh electrode and method
US6649037B2 (en) 2001-05-29 2003-11-18 United States Filter Corporation Electrodeionization apparatus and method
RU2204530C2 (ru) 2001-06-21 2003-05-20 Бахир Витольд Михайлович Переносное устройство для электрохимической обработки жидкости
CA2461558C (en) 2001-10-15 2011-10-04 United States Filter Corporation Apparatus for fluid purification and methods of manufacture and use thereof
JP3781361B2 (ja) 2002-02-08 2006-05-31 オルガノ株式会社 電気式脱イオン水製造装置
US6808608B2 (en) 2002-03-13 2004-10-26 Dionex Corporation Water purifier and method
JP3864891B2 (ja) 2002-07-01 2007-01-10 栗田工業株式会社 電気式脱イオン装置
US7763157B2 (en) 2003-04-11 2010-07-27 Millipore Corporation Electrodeionization device
JP4846591B2 (ja) 2003-10-20 2011-12-28 ジーイー・アイオニクス・インコーポレイテッド らせん状の電気脱イオンデバイス及びその構成成分
US7604725B2 (en) 2003-11-13 2009-10-20 Siemens Water Technologies Holding Corp. Water treatment system and method
US7846340B2 (en) 2003-11-13 2010-12-07 Siemens Water Technologies Corp. Water treatment system and method
US7563351B2 (en) 2003-11-13 2009-07-21 Siemens Water Technologies Holding Corp. Water treatment system and method
US20050103717A1 (en) 2003-11-13 2005-05-19 United States Filter Corporation Water treatment system and method
US7862700B2 (en) 2003-11-13 2011-01-04 Siemens Water Technologies Holding Corp. Water treatment system and method
US8377279B2 (en) 2003-11-13 2013-02-19 Siemens Industry, Inc. Water treatment system and method
US7582198B2 (en) 2003-11-13 2009-09-01 Siemens Water Technologies Holding Corp. Water treatment system and method
US7083733B2 (en) 2003-11-13 2006-08-01 Usfilter Corporation Water treatment system and method
US7336600B2 (en) 2003-12-29 2008-02-26 Industrial Technology Research Institute Cell search method for orthogonal frequency division multiplexing based cellular communication system
US20050173242A1 (en) * 2004-02-09 2005-08-11 Gabi Elgressy Electrochemical device and method for scale deposition and removal
US7470366B2 (en) 2004-05-07 2008-12-30 Ge Mobile Water, Inc. Water purification system and method using reverse osmosis reject stream in an electrodeionization unit
US7329358B2 (en) 2004-05-27 2008-02-12 Siemens Water Technologies Holding Corp. Water treatment process
JP4644677B2 (ja) * 2004-09-06 2011-03-02 イノベーティブ・デザイン＆テクノロジー株式会社 冷却水循環装置
ATE548331T1 (de) 2004-11-30 2012-03-15 Gruenbeck Josef Wasseraufb Verfahren und vorrichtung zur aufbereitung und/oder reinigung von fluiden mit wasserhärte
US20060231403A1 (en) 2005-04-14 2006-10-19 Riviello John M Chambered electrodeionization apparatus with uniform current density, and method of use
RU2305071C2 (ru) 2005-08-08 2007-08-27 Алексей Борисович Ханин Электрохимический способ и устройство непрерывного действия для очистки воды
US7427342B2 (en) 2006-06-02 2008-09-23 General Electric Company Method and apparatus for shifting current distribution in electrodeionization systems
US20080067069A1 (en) 2006-06-22 2008-03-20 Siemens Water Technologies Corp. Low scale potential water treatment
WO2009051612A1 (en) 2007-10-18 2009-04-23 Kinetico Incorporated Electroregeneration apparatus and water treatment method
CN102167463B (zh) 2010-02-26 2014-05-14 通用电气公司 水处理装置及方法
KR20130081578A (ko) 2012-01-09 2013-07-17 삼성전자주식회사 전기 재생 연수 장치 및 이의 운전방법

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH022830A (ja) * 1988-06-15 1990-01-08 Babcock Hitachi Kk 電気透析装置
EP0839762A2 (en) * 1996-10-29 1998-05-06 Ebara Corporation Method and apparatus for scale prevention in producing deionized water
WO2003097536A1 (en) * 2002-05-17 2003-11-27 Ebara Corporation Electric demineralizer
US20060060532A1 (en) * 2004-09-13 2006-03-23 The University Of South Carolina Water desalination process and apparatus
JP2010036142A (ja) * 2008-08-07 2010-02-18 Panasonic Corp 軟水化装置およびそれを備えた給湯装置
JP2012217943A (ja) * 2011-04-11 2012-11-12 Takasago Thermal Eng Co Ltd 脱塩処理方法及び脱塩処理システム

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022114794A (ja) * 2021-01-27 2022-08-08 栗田工業株式会社 電気脱イオン装置及び脱イオン水の製造方法

Also Published As

Publication number Publication date
WO2013115913A1 (en) 2013-08-08
KR20140135965A (ko) 2014-11-27
CA2863598A1 (en) 2013-08-08
US9724645B2 (en) 2017-08-08
US20130199931A1 (en) 2013-08-08
EP2809431A4 (en) 2015-11-04
EP2809431A1 (en) 2014-12-10

Similar Documents

Publication Publication Date Title
JP2015509048A (ja) 電気化学的再生水の脱イオン
CN1902134B (zh) 水处理系统和方法
CN100482594C (zh) 一种无结垢并回收阴阳离子的电去离子净水装置及方法
US20130306565A1 (en) Electrochemical Ion Exchange Water Treatment
US20050103723A1 (en) Water treatment system and method
AU2014212394B2 (en) Rechargeable electrochemical cells
CN104291416A (zh) 低能耗海水淡化系统和方法
WO2006132336A1 (ja) 電気透析装置、排水処理方法、およびフッ素処理システム
KR20140049029A (ko) 재충전가능 전기화학 셀
CN111423035A (zh) 一种火电厂循环水无药剂化电法联合处理工艺系统及方法
Ba et al. An integrated electrolysis-microfiltration-ion exchange closed-loop system for effective water softening without chemicals input and spent regenerant discharge
WO2022113741A1 (ja) 軟水化装置、軟水化装置の再生方法、及び軟水化装置の洗浄方法
RU106613U1 (ru) Установка для очистки и умягчения воды
JPH06269777A (ja) 造水プロセス
CN113880194B (zh) 一种处理纳滤/反渗透浓水的膜电解装置及其使用方法
JPH07299454A (ja) 膜処理装置
CN101193823A (zh) 电透析装置、排水处理方法及氟处理系统
JP4833077B2 (ja) 水処理方法
CN209636038U (zh) 一种基于edr置换的水浓缩处理装置
WO2016033319A1 (en) Electrochemically regenerated water decationization method and apparatus
MXPA06005385A (en) Water treatment system and method
MXPA06005384A (en) Water treatment system and method
JP4026344B2 (ja) 膜分離方法および装置
WO2007130053A1 (en) System and method for conditioning water
CN111977850A (zh) 重金属废水减量浓缩技术

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20151211

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20151211

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20160615

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20160624

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20170203