ZA824409B - Operation and regeneration of permselective ion-exchange membranes in brine electrolysis cells - Google Patents

Operation and regeneration of permselective ion-exchange membranes in brine electrolysis cells

Info

Publication number
ZA824409B
ZA824409B ZA824409A ZA824409A ZA824409B ZA 824409 B ZA824409 B ZA 824409B ZA 824409 A ZA824409 A ZA 824409A ZA 824409 A ZA824409 A ZA 824409A ZA 824409 B ZA824409 B ZA 824409B
Authority
ZA
South Africa
Prior art keywords
membrane
ppm
brine
cell
regeneration
Prior art date
Application number
ZA824409A
Other languages
English (en)
Inventor
Harry Stevens Burney Jr
Russell Gantt Gary
Original Assignee
Dow Chemical Co
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23055143&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ZA824409(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Dow Chemical Co filed Critical Dow Chemical Co
Publication of ZA824409B publication Critical patent/ZA824409B/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B13/00—Diaphragms; Spacing elements
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B1/00—Electrolytic production of inorganic compounds or non-metals
    • C25B1/01—Products
    • C25B1/34—Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis
    • C25B1/46—Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis in diaphragm cells
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B15/00—Operating or servicing cells

Landscapes

  • Chemical & Material Sciences (AREA)
  • Metallurgy (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
ZA824409A 1981-06-22 1982-06-22 Operation and regeneration of permselective ion-exchange membranes in brine electrolysis cells ZA824409B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/276,095 US4381230A (en) 1981-06-22 1981-06-22 Operation and regeneration of permselective ion-exchange membranes in brine electrolysis cells

Publications (1)

Publication Number Publication Date
ZA824409B true ZA824409B (en) 1984-02-29

Family

ID=23055143

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA824409A ZA824409B (en) 1981-06-22 1982-06-22 Operation and regeneration of permselective ion-exchange membranes in brine electrolysis cells

Country Status (10)

Country Link
US (1) US4381230A (ko)
EP (1) EP0069504B1 (ko)
KR (1) KR870001768B1 (ko)
AT (1) ATE21270T1 (ko)
BR (1) BR8207769A (ko)
CA (1) CA1195649A (ko)
DE (1) DE3272448D1 (ko)
ES (1) ES8304615A1 (ko)
WO (1) WO1983000052A1 (ko)
ZA (1) ZA824409B (ko)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4568434A (en) * 1983-03-07 1986-02-04 The Dow Chemical Company Unitary central cell element for filter press electrolysis cell structure employing a zero gap configuration and process utilizing said cell
US4560452A (en) * 1983-03-07 1985-12-24 The Dow Chemical Company Unitary central cell element for depolarized, filter press electrolysis cells and process using said element
US4673479A (en) * 1983-03-07 1987-06-16 The Dow Chemical Company Fabricated electrochemical cell
US4488946A (en) * 1983-03-07 1984-12-18 The Dow Chemical Company Unitary central cell element for filter press electrolysis cell structure and use thereof in the electrolysis of sodium chloride
JPS61166991A (ja) * 1985-01-18 1986-07-28 Asahi Glass Co Ltd 食塩電解方法
US4681397A (en) * 1985-06-28 1987-07-21 Amp Incorporated Optical switching arrangement
JPS6220890A (ja) * 1985-07-22 1987-01-29 Chlorine Eng Corp Ltd イオン交換膜法電解槽
US5112464A (en) * 1990-06-15 1992-05-12 The Dow Chemical Company Apparatus to control reverse current flow in membrane electrolytic cells
US5498321A (en) * 1994-07-28 1996-03-12 Oxytech Systems, Inc. Electrolysis cell diaphragm reclamation
DE19519921A1 (de) * 1995-05-31 1996-12-05 Basf Ag Verfahren zur Regenerierung von Kunststoffdiaphragmen
US7922890B2 (en) 2006-11-28 2011-04-12 Miox Corporation Low maintenance on-site generator
US20130115307A1 (en) 2007-10-30 2013-05-09 Verdis Norton Method and Apparatus for Producing a Stabilized Antimicrobial Non-toxic Electrolyzed Saline Solution Exhibiting Potential as a Therapeutic
US8367120B1 (en) 2007-10-31 2013-02-05 Reoxcyn Discoveries Group, Inc. Method and apparatus for producing a stablized antimicrobial non-toxic electrolyzed saline solution exhibiting potential as a therapeutic
EP2389236A1 (en) * 2009-01-23 2011-11-30 Dow Global Technologies LLC Membrane restoration
MX367274B (es) 2010-08-06 2019-08-12 De Nora Holdings Us Inc Generador electrolitico en el sitio.
EP3628757A1 (en) * 2018-09-25 2020-04-01 Paul Scherrer Institut Method for removing non-proton cationic impurities from an electrochemical cell and an electrochemical cell
US11027904B2 (en) 2018-12-14 2021-06-08 Graphic Packaging International, Llc Carrier for containers
AU2022421059A1 (en) 2021-12-22 2024-07-04 The Research Foundation For The State University Of New York System and method for electrochemical ocean alkalinity enhancement

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE425275C (de) * 1924-12-03 1926-02-15 Siemens & Halske Akt Ges Verfahren zur Reinigung von Filterdiaphragmen bei elektrolytischen Prozessen
BE795460A (fr) * 1972-02-16 1973-08-16 Diamond Shamrock Corp Perfectionnements relatifs a des cuves electrolytiques
GB1466669A (en) * 1973-07-18 1977-03-09 Ici Ltd Cleaning porous diaphragms in electrolytic cells
DE2450259B2 (de) * 1974-10-23 1979-03-29 Bayer Ag, 5090 Leverkusen Verfahren zur Reinigung von Elektrolysesole
US4040919A (en) * 1974-10-29 1977-08-09 Hooker Chemicals & Plastics Corporation Voltage reduction of membrane cell for the electrolysis of brine
US3988223A (en) * 1975-10-28 1976-10-26 Basf Wyandotte Corporation Unplugging of electrolysis diaphragms
US4038365A (en) * 1975-12-03 1977-07-26 Basf Wyandotte Corporation Removal of low level hardness impurities from brine feed to chlorine cells
US4115218A (en) * 1976-10-22 1978-09-19 Basf Wyandotte Corporation Method of electrolyzing brine
US4116781A (en) * 1977-04-19 1978-09-26 Diamond Shamrock Corporation Rejuvenation of membrane type chlor-alkali cells by intermittently feeding high purity brines thereto during continued operation of the cell
US4175022A (en) * 1977-04-25 1979-11-20 Union Carbide Corporation Electrolytic cell bottom barrier formed from expanded graphite
NL7804322A (nl) * 1977-05-04 1978-11-07 Asahi Glass Co Ltd Werkwijze voor het bereiden van natriumhydroxyde door het elektrolyseren van natriumchloride.
US4155819A (en) * 1977-08-31 1979-05-22 Ppg Industries, Inc. Removal of heavy metals from brine
US4176022A (en) * 1978-04-27 1979-11-27 Ppg Industries, Inc. Removal of part per billion level hardness impurities from alkali metal chloride brines
DE2837313A1 (de) * 1978-08-26 1980-03-13 Metallgesellschaft Ag Verfahren zur elektrolyse waessriger alkalihalogenid-loesungen
DE2845943A1 (de) * 1978-10-21 1980-04-30 Hoechst Ag Verfahren zur alkalichlorid-elektrolyse
US4204921A (en) * 1979-03-19 1980-05-27 Basf Wyandotte Corporation Method for rejuvenating chlor-alkali cells
US4217187A (en) * 1979-05-17 1980-08-12 Hooker Chemicals & Plastics Corp. Operation of electrolytic diaphragm cells utilizing interruptable or off-peak power

Also Published As

Publication number Publication date
ES513301A0 (es) 1983-03-01
WO1983000052A1 (en) 1983-01-06
KR870001768B1 (ko) 1987-10-06
ATE21270T1 (de) 1986-08-15
EP0069504A2 (en) 1983-01-12
EP0069504A3 (en) 1983-02-23
EP0069504B1 (en) 1986-08-06
CA1195649A (en) 1985-10-22
US4381230A (en) 1983-04-26
BR8207769A (pt) 1983-05-31
DE3272448D1 (en) 1986-09-11
ES8304615A1 (es) 1983-03-01

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