BE817867A - Procede et agencement pour la reduction de la corrosion de fissure dans les appareils d'electrolyse bipolaires - Google Patents

Procede et agencement pour la reduction de la corrosion de fissure dans les appareils d'electrolyse bipolaires

Info

Publication number
BE817867A
BE817867A BE146748A BE146748A BE817867A BE 817867 A BE817867 A BE 817867A BE 146748 A BE146748 A BE 146748A BE 146748 A BE146748 A BE 146748A BE 817867 A BE817867 A BE 817867A
Authority
BE
Belgium
Prior art keywords
reduction
arrangement
electrolysis equipment
crack corrosion
bipolar electrolysis
Prior art date
Application number
BE146748A
Other languages
English (en)
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 filed Critical
Publication of BE817867A publication Critical patent/BE817867A/fr

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
    • 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
    • C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
    • C25B9/70—Assemblies comprising two or more cells
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency
    • Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Electrodes For Compound Or Non-Metal Manufacture (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
BE146748A 1973-07-20 1974-07-19 Procede et agencement pour la reduction de la corrosion de fissure dans les appareils d'electrolyse bipolaires BE817867A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US381114A US3876517A (en) 1973-07-20 1973-07-20 Reduction of crevice corrosion in bipolar chlorine diaphragm cells by locating the cathode screen at the crevice and maintaining the titanium within the crevice anodic

Publications (1)

Publication Number Publication Date
BE817867A true BE817867A (fr) 1975-01-20

Family

ID=23503724

Family Applications (1)

Application Number Title Priority Date Filing Date
BE146748A BE817867A (fr) 1973-07-20 1974-07-19 Procede et agencement pour la reduction de la corrosion de fissure dans les appareils d'electrolyse bipolaires

Country Status (9)

Country Link
US (1) US3876517A (fr)
JP (1) JPS5044179A (fr)
BE (1) BE817867A (fr)
CA (1) CA1026711A (fr)
DE (1) DE2434353C3 (fr)
FR (1) FR2237982B1 (fr)
GB (1) GB1445903A (fr)
IT (1) IT1016641B (fr)
NO (1) NO139094C (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4111779A (en) * 1974-10-09 1978-09-05 Asahi Kasei Kogyo Kabushiki Kaisha Bipolar system electrolytic cell
US4033848A (en) * 1975-10-15 1977-07-05 Diamond Shamrock Corporation Wafer electrode for an electrolytic cell
US4057473A (en) * 1976-03-15 1977-11-08 Ppg Industries, Inc. Method of reducing cell liquor header corrosion
FR2367125A1 (fr) * 1976-10-11 1978-05-05 Solvay Element bipolaire pour electrolyseurs
DE2816152C2 (de) * 1978-04-14 1980-07-03 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von Chlor aus Salzsäure durch Elektrolyse und Salzsäure-Elektrolysezelle
US4285787A (en) * 1980-03-20 1981-08-25 Pulp And Paper Research Institute Of Canada Electrochemical corrosion protection of stainless steel bleach plant washers
US4448663A (en) * 1982-07-06 1984-05-15 The Dow Chemical Company Double L-shaped electrode for brine electrolysis cell
CA2232970A1 (fr) * 1995-09-25 1997-04-03 Rodolf Antonio Gomez Systeme electrochimique

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL126074C (fr) * 1957-07-17
BE569804A (fr) * 1957-07-26
ZA703723B (en) * 1969-06-24 1972-01-26 Ppg Industries Inc Diaphragm cell
US3755108A (en) * 1971-08-12 1973-08-28 Ppg Industries Inc Method of producing uniform anolyte heads in the individual cells of a bipolar electrolyzer

Also Published As

Publication number Publication date
IT1016641B (it) 1977-06-20
GB1445903A (en) 1976-08-11
AU7057174A (en) 1976-01-08
JPS5044179A (fr) 1975-04-21
DE2434353B2 (de) 1977-09-01
DE2434353C3 (de) 1984-10-11
US3876517A (en) 1975-04-08
NO139094B (no) 1978-09-25
CA1026711A (fr) 1978-02-21
FR2237982A1 (fr) 1975-02-14
DE2434353A1 (de) 1975-02-13
NO139094C (no) 1979-01-10
NO742613L (fr) 1975-02-17
FR2237982B1 (fr) 1977-03-18

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: PPG INDUSTRIES INC.

Effective date: 19860731