IT974990B - Diaframma per celle elettrolitiche - Google Patents

Diaframma per celle elettrolitiche

Info

Publication number
IT974990B
IT974990B IT6986472A IT6986472A IT974990B IT 974990 B IT974990 B IT 974990B IT 6986472 A IT6986472 A IT 6986472A IT 6986472 A IT6986472 A IT 6986472A IT 974990 B IT974990 B IT 974990B
Authority
IT
Italy
Prior art keywords
diaphragm
anode
cathode
mesh
cationselective
Prior art date
Application number
IT6986472A
Other languages
English (en)
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
Application granted granted Critical
Publication of IT974990B publication Critical patent/IT974990B/it

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
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/20—Manufacture of shaped structures of ion-exchange resins
    • C08J5/22—Films, membranes or diaphragms
    • C08J5/2206—Films, membranes or diaphragms based on organic and/or inorganic macromolecular compounds
    • C08J5/2218—Synthetic macromolecular compounds
    • C08J5/2231—Synthetic macromolecular compounds based on macromolecular compounds obtained by reactions involving unsaturated carbon-to-carbon bonds
    • C08J5/2237—Synthetic macromolecular compounds based on macromolecular compounds obtained by reactions involving unsaturated carbon-to-carbon bonds containing fluorine
    • 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
    • C25B13/04—Diaphragms; Spacing elements characterised by the material
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
    • C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2327/12—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Electrochemistry (AREA)
  • Metallurgy (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
IT6986472A 1971-09-09 1972-09-08 Diaframma per celle elettrolitiche IT974990B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US17915171A 1971-09-09 1971-09-09
US28402272A 1972-08-28 1972-08-28

Publications (1)

Publication Number Publication Date
IT974990B true IT974990B (it) 1974-07-10

Family

ID=26875050

Family Applications (1)

Application Number Title Priority Date Filing Date
IT6986472A IT974990B (it) 1971-09-09 1972-09-08 Diaframma per celle elettrolitiche

Country Status (6)

Country Link
BE (1) BE788557A (it)
DE (1) DE2243866A1 (it)
FR (1) FR2152788B1 (it)
GB (1) GB1401290A (it)
IT (1) IT974990B (it)
NL (1) NL7212225A (it)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3976549A (en) * 1973-02-26 1976-08-24 Hooker Chemicals & Plastics Corporation Electrolysis method
JPS551351B2 (it) 1974-03-07 1980-01-12
US4021327A (en) * 1975-04-29 1977-05-03 E. I. Du Pont De Nemours And Company Reinforced cation permeable separator
US4186084A (en) * 1975-05-20 1980-01-29 E. I. Du Pont De Nemours And Company Hydrophilic fluoropolymers
US4188469A (en) * 1975-05-20 1980-02-12 E. I. Du Pont De Nemours And Company Composition of hydrophilic fluoropolymers with fibrous matter and liquid carrier
FR2314214A2 (fr) * 1975-06-11 1977-01-07 Rhone Poulenc Ind Procede de fabrication de diaphragmes plastiques poreux et nouveaux diaphragmes ainsi obtenus
JPS526374A (en) * 1975-07-07 1977-01-18 Tokuyama Soda Co Ltd Anode structure for electrolysis
JPS5248598A (en) * 1975-10-17 1977-04-18 Asahi Glass Co Ltd Method for producing alkali hydroxide
MX145160A (es) * 1976-05-21 1982-01-12 Diamond Shamrock Corp Metodo para formar una membrana sobre un electrodo foraminoso de celda de diafragma normal
FR2364978A1 (fr) * 1976-09-20 1978-04-14 Tokuyama Soda Kk Element cathodique pour electrolyse de solutions aqueuses de sels
DE2643162C2 (de) * 1976-09-24 1982-02-04 Asahi Glass Co. Ltd., Tokyo Verfahren zur Elektrolyse einer wässrigen Lösung von Natriumchlorid
GB1550874A (en) * 1976-10-28 1979-08-22 Asahi Glass Co Ltd Process for producing fluorinated copolymer having ion-exchange groups
DE2844496C2 (de) * 1977-12-09 1982-12-30 General Electric Co., Schenectady, N.Y. Verfahren zum Herstellen von Halogen und Alkalimetallhydroxiden
US4210501A (en) * 1977-12-09 1980-07-01 General Electric Company Generation of halogens by electrolysis of hydrogen halides in a cell having catalytic electrodes bonded to a solid polymer electrolyte
US4224130A (en) * 1978-02-13 1980-09-23 The Dow Chemical Company Electrolytic diaphragm cell
GB2051870B (en) * 1979-06-07 1983-04-20 Asahi Chemical Ind Method for electrolysis of aqueous alkali metal chloride solution
US4315805A (en) * 1979-11-08 1982-02-16 Ppg Industries, Inc. Solid polymer electrolyte chlor-alkali process
US4358545A (en) * 1980-06-11 1982-11-09 The Dow Chemical Company Sulfonic acid electrolytic cell having flourinated polymer membrane with hydration product less than 22,000
US4470889A (en) * 1980-06-11 1984-09-11 The Dow Chemical Company Electrolytic cell having an improved ion exchange membrane and process for operating
FI72150C (fi) * 1980-11-15 1987-04-13 Asahi Glass Co Ltd Alkalimetallkloridelektrolyscell.
BR8202395A (pt) * 1981-05-01 1983-04-12 Du Pont Conjunto composto membrana/eletrodo celula eletroquimica e processo para eletrolise
BR8202397A (pt) * 1981-05-01 1983-04-12 Du Pont Composito membrana/eletrodo celula eletroquimica processo para eletrolise de um cloreto de metal alcalino em uma celula eletroquimica
JPS58199884A (ja) 1982-05-18 1983-11-21 Asahi Glass Co Ltd 改良された電解用陽イオン交換膜
FR2545495B1 (fr) * 1983-05-02 1987-02-06 Du Pont Membranes constituees d'un polymere fluore echangeur d'ions contenant des groupes carboxyliques, procede d'electrolyse et cellule electrochimique utilisant cette membrane
EP0184381B1 (en) * 1984-12-07 1989-05-31 The Dow Chemical Company Electrochemical process and cell
DE4142749A1 (de) * 1991-12-23 1993-07-01 Bernd Dr Rer Nat Dr Me Lorbeer Vorrichtung und verfahren zur meer- und brackwasserentsalzung durch elektrolyse

Also Published As

Publication number Publication date
DE2243866A1 (de) 1973-03-15
NL7212225A (it) 1973-03-13
GB1401290A (en) 1975-07-16
FR2152788B1 (it) 1976-01-23
AU4650672A (en) 1974-03-21
BE788557A (fr) 1973-03-08
FR2152788A1 (it) 1973-04-27

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