ATE112756T1 - Elektrodialyse-umkehrverfahren und vorrichtung mit bipolaren membranen. - Google Patents

Elektrodialyse-umkehrverfahren und vorrichtung mit bipolaren membranen.

Info

Publication number
ATE112756T1
ATE112756T1 AT92104169T AT92104169T ATE112756T1 AT E112756 T1 ATE112756 T1 AT E112756T1 AT 92104169 T AT92104169 T AT 92104169T AT 92104169 T AT92104169 T AT 92104169T AT E112756 T1 ATE112756 T1 AT E112756T1
Authority
AT
Austria
Prior art keywords
calcium carbonate
precipitation
water
electrodialysis
reverse method
Prior art date
Application number
AT92104169T
Other languages
English (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
Application granted granted Critical
Publication of ATE112756T1 publication Critical patent/ATE112756T1/de

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)
AT92104169T 1991-03-14 1992-03-11 Elektrodialyse-umkehrverfahren und vorrichtung mit bipolaren membranen. ATE112756T1 (de)

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 (1)

Publication Number Publication Date
ATE112756T1 true ATE112756T1 (de) 1994-10-15

Family

ID=11062196

Family Applications (1)

Application Number Title Priority Date Filing Date
AT92104169T ATE112756T1 (de) 1991-03-14 1992-03-11 Elektrodialyse-umkehrverfahren und vorrichtung mit bipolaren membranen.

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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US5868915A (en) * 1996-09-23 1999-02-09 United States Filter Corporation Electrodeionization apparatus and method
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
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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
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US7846340B2 (en) 2003-11-13 2010-12-07 Siemens Water Technologies Corp. Water treatment system and method
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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
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US20080067069A1 (en) 2006-06-22 2008-03-20 Siemens Water Technologies Corp. Low scale potential water treatment
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US7744760B2 (en) 2006-09-20 2010-06-29 Siemens Water Technologies Corp. Method and apparatus for desalination
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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
CN118891232A (zh) 2021-12-22 2024-11-01 纽约州州立大学研究基金会 用于电化学海洋碱度增强的系统和方法
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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US3976569A (en) * 1975-02-25 1976-08-24 The United States Of America As Represented By The United States Energy Research And Development Administration Water softening process
IL52758A0 (en) * 1977-08-16 1977-10-31 Yeda Res & Dev Improved device for electrodialysis
IL68773A0 (en) * 1983-05-24 1983-12-30 Yeda Res & Dev Modular electrodialysis device
JPS63291608A (ja) * 1987-05-22 1988-11-29 Tokuyama Soda Co Ltd 酸廃液の再生方法
EP0330772B1 (de) * 1988-04-28 1993-05-26 Tokuyama Soda Kabushiki Kaisha Doppeltzerlegungsmethode eines neutralen Salzes

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
IL97543A (en) 1994-11-11
IE920775A1 (en) 1992-09-23
DE69200513T2 (de) 1995-05-11
US5240579A (en) 1993-08-31

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Legal Events

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