IL97543A - Electrodialysis reversal process and apparatus with bipolar membranes for hard-water softening - Google Patents

Electrodialysis reversal process and apparatus with bipolar membranes for hard-water softening

Info

Publication number
IL97543A
IL97543A IL9754391A IL9754391A IL97543A IL 97543 A IL97543 A IL 97543A IL 9754391 A IL9754391 A IL 9754391A IL 9754391 A IL9754391 A IL 9754391A IL 97543 A IL97543 A IL 97543A
Authority
IL
Israel
Prior art keywords
water
calcium carbonate
stack
brine
compartments
Prior art date
Application number
IL9754391A
Other languages
English (en)
Other versions
IL97543A0 (en
Inventor
Ora Kedem
Original Assignee
Yeda Res & Dev
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 Yeda Res & Dev filed Critical Yeda Res & Dev
Priority to IL9754391A priority Critical patent/IL97543A/en
Priority to FI921038A priority patent/FI921038A7/fi
Priority to IE077592A priority patent/IE920775A1/en
Priority to US07/850,467 priority patent/US5240579A/en
Priority to AT92104169T priority patent/ATE112756T1/de
Priority to EP92104169A priority patent/EP0503589B1/de
Priority to DE69200513T priority patent/DE69200513T2/de
Priority to NO92920985A priority patent/NO920985L/no
Priority to JP4108327A priority patent/JPH05115880A/ja
Publication of IL97543A0 publication Critical patent/IL97543A0/xx
Publication of IL97543A publication Critical patent/IL97543A/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
    • C02F1/469—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
    • 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
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J47/00—Ion-exchange processes in general; Apparatus therefor
    • B01J47/02—Column or bed processes
    • B01J47/06—Column or bed processes during which the ion-exchange material is subjected to a physical treatment, e.g. heat, electric current, irradiation or vibration
    • B01J47/08—Column or bed processes during which the ion-exchange material is subjected to a physical treatment, e.g. heat, electric current, irradiation or vibration subjected to a direct electric current
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C02F5/02—Softening water by precipitation of the hardness
    • C02F5/06—Softening water by precipitation of the hardness using calcium compounds
    • 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
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/46104—Devices therefor; Their operating or servicing
    • C02F1/46109—Electrodes
    • C02F1/46114—Electrodes in particulate form or with conductive and/or non conductive particles between them
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Analytical Chemistry (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Urology & Nephrology (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Treatment Of Water By Ion Exchange (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Removal Of Specific Substances (AREA)
IL9754391A 1991-03-14 1991-03-14 Electrodialysis reversal process and apparatus with bipolar membranes for hard-water softening IL97543A (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
IL9754391A IL97543A (en) 1991-03-14 1991-03-14 Electrodialysis reversal process and apparatus with bipolar membranes for hard-water softening
FI921038A FI921038A7 (fi) 1991-03-14 1992-03-10 Menetelmä ja laite, jossa on kaksinapaiset kalvot sähködialyysimuutosta varten
IE077592A IE920775A1 (en) 1991-03-14 1992-03-10 Electrodialysis reversal process and apparatus with bipolar¹membranes
US07/850,467 US5240579A (en) 1991-03-14 1992-03-11 Electrodialysis reversal process and apparatus with bipolar membranes
AT92104169T ATE112756T1 (de) 1991-03-14 1992-03-11 Elektrodialyse-umkehrverfahren und vorrichtung mit bipolaren membranen.
EP92104169A EP0503589B1 (de) 1991-03-14 1992-03-11 Elektrodialyse-Umkehrverfahren und Vorrichtung mit bipolaren Membranen
DE69200513T DE69200513T2 (de) 1991-03-14 1992-03-11 Elektrodialyse-Umkehrverfahren und Vorrichtung mit bipolaren Membranen.
NO92920985A NO920985L (no) 1991-03-14 1992-03-13 Omvendt elektrodialyseprosess og anordning med bipolare membraner
JP4108327A JPH05115880A (ja) 1991-03-14 1992-03-16 硬水の軟化法及びその装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IL9754391A IL97543A (en) 1991-03-14 1991-03-14 Electrodialysis reversal process and apparatus with bipolar membranes for hard-water softening

Publications (2)

Publication Number Publication Date
IL97543A0 IL97543A0 (en) 1992-06-21
IL97543A true IL97543A (en) 1994-11-11

Family

ID=11062196

Family Applications (1)

Application Number Title Priority Date Filing Date
IL9754391A IL97543A (en) 1991-03-14 1991-03-14 Electrodialysis reversal process and apparatus with bipolar membranes for hard-water softening

Country Status (9)

Country Link
US (1) US5240579A (de)
EP (1) EP0503589B1 (de)
JP (1) JPH05115880A (de)
AT (1) ATE112756T1 (de)
DE (1) DE69200513T2 (de)
FI (1) FI921038A7 (de)
IE (1) IE920775A1 (de)
IL (1) IL97543A (de)
NO (1) NO920985L (de)

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US5853555A (en) * 1997-04-03 1998-12-29 Sachem, Inc. Synthesis of onium hydroxides from onium salts
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US8192633B2 (en) * 1998-07-06 2012-06-05 Grott Gerald J Methods of energy storage and transfer
US7717173B2 (en) * 1998-07-06 2010-05-18 Ecycling, LLC Methods of improving oil or gas production with recycled, increased sodium water
TW523547B (en) * 1998-10-05 2003-03-11 Miz Co Ltd Method of producing detergent and the apparatus thereof
US6284124B1 (en) 1999-01-29 2001-09-04 United States Filter Corporation Electrodeionization apparatus and method
GB0016846D0 (en) 2000-07-10 2000-08-30 United States Filter Corp Electrodeionisation Apparatus
US7147785B2 (en) 2000-09-28 2006-12-12 Usfilter Corporation Electrodeionization device and methods of use
US20040050682A1 (en) * 2000-12-27 2004-03-18 George Paskalov Activated water apparatus and methods and products
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
ES2361004T3 (es) 2001-10-15 2011-06-13 Siemens Water Technologies Holding Corp. Aparato y método para purificación de fluidos.
US6758954B2 (en) * 2002-04-11 2004-07-06 U.S. Filter Corporation Electrodeionization apparatus with resilient endblock
US6863822B2 (en) * 2002-10-16 2005-03-08 Anthony Pipes Method and apparatus for parallel desalting
US7501061B2 (en) 2002-10-23 2009-03-10 Siemens Water Technologies Holding Corp. Production of water for injection using reverse osmosis
RU2238136C1 (ru) * 2003-08-18 2004-10-20 Общество с ограниченной ответственностью Фирма "ЭЙКОСЪ" Способ асимметричного электродиализа
US8062532B2 (en) * 2003-11-11 2011-11-22 Grott Gerald J Process for electrolytic production of chlorine products and byproducts
US20050103717A1 (en) 2003-11-13 2005-05-19 United States Filter Corporation Water treatment system and method
US7582198B2 (en) 2003-11-13 2009-09-01 Siemens Water Technologies Holding Corp. Water treatment system and method
TWI354652B (en) 2003-11-13 2011-12-21 Siemens Water Tech Holdg Corp Water treatment system and method
US7846340B2 (en) 2003-11-13 2010-12-07 Siemens Water Technologies Corp. 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
US7563351B2 (en) 2003-11-13 2009-07-21 Siemens Water Technologies Holding Corp. Water treatment system and method
US7604725B2 (en) 2003-11-13 2009-10-20 Siemens Water Technologies Holding Corp. Water treatment system and method
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US7329358B2 (en) 2004-05-27 2008-02-12 Siemens Water Technologies Holding Corp. Water treatment process
US7658828B2 (en) 2005-04-13 2010-02-09 Siemens Water Technologies Holding Corp. Regeneration of adsorption media within electrical purification apparatuses
EP1885655B1 (de) 2005-06-01 2014-12-17 Evoqua Water Technologies LLC Wasseraufbereitung durch intermittierende desinfektion
US10252923B2 (en) 2006-06-13 2019-04-09 Evoqua Water Technologies Llc Method and system for water treatment
US8277627B2 (en) 2006-06-13 2012-10-02 Siemens Industry, Inc. Method and system for irrigation
US10213744B2 (en) 2006-06-13 2019-02-26 Evoqua Water Technologies Llc Method and system for water treatment
US20080067069A1 (en) 2006-06-22 2008-03-20 Siemens Water Technologies Corp. Low scale potential water treatment
US7820024B2 (en) 2006-06-23 2010-10-26 Siemens Water Technologies Corp. Electrically-driven separation apparatus
US7744760B2 (en) 2006-09-20 2010-06-29 Siemens Water Technologies Corp. Method and apparatus for desalination
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IL182973A (en) * 2007-05-03 2011-11-30 Alexander Melamud Method and apparatus for reducing metal concentration in water
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BRPI0819884A2 (pt) 2007-11-30 2016-05-10 Siemens Water Tech Corp método para tratamento de água salgada, sistema de tratamento de água e dispositivo de separação acionado eletricamente
CN101468832A (zh) * 2007-12-25 2009-07-01 通用电气公司 电解装置、方法及包括该电解装置的洗涤设备
US20100051556A1 (en) * 2008-08-29 2010-03-04 Grott Gerald J Methods of purifiying water using waste brines to regenerate ion-exchange resins
US20100147767A1 (en) * 2008-12-15 2010-06-17 Grott Gerald J Method for purifying waste saline waters without reagent waste
US8764957B2 (en) 2010-12-23 2014-07-01 General Electric Company Water treatment using a bipolar membrane
CN103130363B (zh) * 2011-11-28 2015-07-15 通用电气公司 脱盐系统和方法
US9724645B2 (en) 2012-02-02 2017-08-08 Tangent Company Llc Electrochemically regenerated water deionization
US9862643B2 (en) 2016-05-26 2018-01-09 X Development Llc Building materials from an aqueous solution
US20170341952A1 (en) * 2016-05-26 2017-11-30 X Development Llc Chemical extraction from an aqueous solution and power generator cooling
EP3672916A4 (de) 2017-08-21 2021-05-19 Evoqua Water Technologies LLC Behandlung von salzwasser für landwirtschaftliche und trinkwassernutzung
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JP7100001B2 (ja) * 2019-09-05 2022-07-12 横河電機株式会社 排水の処理方法及び排水の処理装置
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CN116444106B (zh) * 2023-06-14 2023-09-12 华电电力科学研究院有限公司 一种高硬度高硫酸盐型煤矿矿井水处理方法及装置

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Also Published As

Publication number Publication date
NO920985L (no) 1992-09-15
FI921038L (fi) 1992-09-15
IL97543A0 (en) 1992-06-21
JPH05115880A (ja) 1993-05-14
EP0503589B1 (de) 1994-10-12
FI921038A7 (fi) 1992-09-15
FI921038A0 (fi) 1992-03-10
DE69200513D1 (de) 1994-11-17
EP0503589A1 (de) 1992-09-16
NO920985D0 (no) 1992-03-13
IE920775A1 (en) 1992-09-23
DE69200513T2 (de) 1995-05-11
US5240579A (en) 1993-08-31
ATE112756T1 (de) 1994-10-15

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