FR2237982B1 - - Google Patents

Info

Publication number
FR2237982B1
FR2237982B1 FR7425240A FR7425240A FR2237982B1 FR 2237982 B1 FR2237982 B1 FR 2237982B1 FR 7425240 A FR7425240 A FR 7425240A FR 7425240 A FR7425240 A FR 7425240A FR 2237982 B1 FR2237982 B1 FR 2237982B1
Authority
FR
France
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.)
Expired
Application number
FR7425240A
Other languages
French (fr)
Other versions
FR2237982A1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PPG Industries Inc
Original Assignee
PPG Industries Inc
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 PPG Industries Inc filed Critical PPG Industries Inc
Publication of FR2237982A1 publication Critical patent/FR2237982A1/fr
Application granted granted Critical
Publication of FR2237982B1 publication Critical patent/FR2237982B1/fr
Expired legal-status Critical Current

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)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Electrodes For Compound Or Non-Metal Manufacture (AREA)
FR7425240A 1973-07-20 1974-07-19 Expired FR2237982B1 (en)

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 (2)

Publication Number Publication Date
FR2237982A1 FR2237982A1 (en) 1975-02-14
FR2237982B1 true FR2237982B1 (en) 1977-03-18

Family

ID=23503724

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7425240A Expired FR2237982B1 (en) 1973-07-20 1974-07-19

Country Status (9)

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

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 (en) * 1976-10-11 1978-05-05 Solvay Bipolar electrolysis cell - with chamber suspended from a supporting beam to avoid corrosion problems
DE2816152C2 (en) * 1978-04-14 1980-07-03 Bayer Ag, 5090 Leverkusen Process for the production of chlorine from hydrochloric acid by electrolysis and hydrochloric acid electrolysis cell
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
WO1997012078A1 (en) * 1995-09-25 1997-04-03 Rmg Services Pty. Ltd. Electrochemical system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL126074C (en) * 1957-07-17
DE1250234B (en) * 1957-07-26 1967-09-14
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
JPS5044179A (en) 1975-04-21
DE2434353B2 (en) 1977-09-01
IT1016641B (en) 1977-06-20
NO139094C (en) 1979-01-10
NO742613L (en) 1975-02-17
CA1026711A (en) 1978-02-21
FR2237982A1 (en) 1975-02-14
NO139094B (en) 1978-09-25
BE817867A (en) 1975-01-20
AU7057174A (en) 1976-01-08
US3876517A (en) 1975-04-08
DE2434353C3 (en) 1984-10-11
DE2434353A1 (en) 1975-02-13
GB1445903A (en) 1976-08-11

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Legal Events

Date Code Title Description
ST Notification of lapse