BE790369A - Procede et appareil pour la preparation d'hydroxydes de metaux alcalins de haute purete dans une cuve electrolytique. - Google Patents

Procede et appareil pour la preparation d'hydroxydes de metaux alcalins de haute purete dans une cuve electrolytique.

Info

Publication number
BE790369A
BE790369A BE790369DA BE790369A BE 790369 A BE790369 A BE 790369A BE 790369D A BE790369D A BE 790369DA BE 790369 A BE790369 A BE 790369A
Authority
BE
Belgium
Prior art keywords
hydroxides
preparation
high pure
electrolytic tank
alkaline metals
Prior art date
Application number
Other languages
English (en)
French (fr)
Inventor
R L Dotson Etk J O'leary
Original Assignee
Diamond Shamrock Corp
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.)
Publication date
Publication of BE790369A publication Critical patent/BE790369A/xx

Links

Classifications

    • 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
    • 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
    • C25B9/17—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof
    • C25B9/19—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms
    • 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)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Metallurgy (AREA)
  • Electrochemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Electrodes For Compound Or Non-Metal Manufacture (AREA)
BE790369D 1971-10-21 Procede et appareil pour la preparation d'hydroxydes de metaux alcalins de haute purete dans une cuve electrolytique. BE790369A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/191,424 US4025405A (en) 1971-10-21 1971-10-21 Electrolytic production of high purity alkali metal hydroxide

Publications (1)

Publication Number Publication Date
BE790369A true BE790369A (fr) 1973-04-20

Family

ID=22705454

Family Applications (1)

Application Number Title Priority Date Filing Date
BE790369D BE790369A (fr) 1971-10-21 Procede et appareil pour la preparation d'hydroxydes de metaux alcalins de haute purete dans une cuve electrolytique.

Country Status (17)

Country Link
US (1) US4025405A (nl)
JP (1) JPS4861397A (nl)
AR (1) AR196207A1 (nl)
AT (1) AT319277B (nl)
AU (1) AU6427974A (nl)
BE (1) BE790369A (nl)
BR (1) BR7207368D0 (nl)
CA (1) CA1036975A (nl)
DE (1) DE2251660B2 (nl)
FI (1) FI56704B (nl)
FR (1) FR2156858B1 (nl)
GB (1) GB1402920A (nl)
IL (1) IL40630A (nl)
IT (1) IT966439B (nl)
LU (1) LU66331A1 (nl)
NL (1) NL161202B (nl)
ZA (1) ZA727499B (nl)

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US4384937A (en) * 1979-05-29 1983-05-24 Diamond Shamrock Corporation Production of chromic acid in a three-compartment cell
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US4358412A (en) * 1980-06-11 1982-11-09 The Dow Chemical Company Preparation of vinyl ethers
US4515989A (en) * 1980-06-11 1985-05-07 The Dow Chemical Company Preparation decarboxylation and polymerization of novel acid flourides and resulting monomers
US4470889A (en) * 1980-06-11 1984-09-11 The Dow Chemical Company Electrolytic cell having an improved ion exchange membrane and process for operating
US4337137A (en) * 1980-06-11 1982-06-29 The Dow Chemical Company Composite ion exchange membranes
US4330654A (en) * 1980-06-11 1982-05-18 The Dow Chemical Company Novel polymers having acid functionality
US4337211A (en) * 1980-06-11 1982-06-29 The Dow Chemical Company Fluorocarbon ethers having substituted halogen site(s) and process to prepare
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US4698243A (en) * 1986-06-20 1987-10-06 The Dow Chemical Company Method for sizing and hydrolyzing polytetrafluoroethylene fabrics, fibers, yarns, or threads
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US4752370A (en) * 1986-12-19 1988-06-21 The Dow Chemical Company Supported membrane/electrode structure combination wherein catalytically active particles are coated onto the membrane
US4889577A (en) * 1986-12-19 1989-12-26 The Dow Chemical Company Method for making an improved supported membrane/electrode structure combination wherein catalytically active particles are coated onto the membrane
US4940525A (en) * 1987-05-08 1990-07-10 The Dow Chemical Company Low equivalent weight sulfonic fluoropolymers
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US5013414A (en) * 1989-04-19 1991-05-07 The Dow Chemical Company Electrode structure for an electrolytic cell and electrolytic process used therein
IT1251419B (it) * 1991-10-23 1995-05-09 Solvay Cella di elettrolisi per la produzione di un gas
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US5433861A (en) * 1993-09-17 1995-07-18 The Dow Chemical Company Permanent deformation and use of sulfonated halopolymer articles
US5716504A (en) * 1995-07-10 1998-02-10 Asahi Glass Company Ltd. Cation exchange membrane for electrolysis and process for producing potassium hydroxide of high purity
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US6123826A (en) * 1999-10-14 2000-09-26 Pioneer (East) Inc. Method for removal of nickel and iron from alkali metal hydroxide streams without requiring the use of sodium borohydride
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US6200455B1 (en) 1999-10-14 2001-03-13 Pioneer (East) Inc. Method for reducing the plating of nickel on vessels, piping and cells in an alkali metal hydroxide manufacturing process
US6375825B1 (en) 1999-10-28 2002-04-23 Chemical Products Corporation Process for the production of alkaline earth hydroxide
US20040035696A1 (en) * 2002-08-21 2004-02-26 Reinhard Fred P. Apparatus and method for membrane electrolysis for process chemical recycling
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Also Published As

Publication number Publication date
LU66331A1 (nl) 1973-10-30
AU6427974A (en) 1975-07-10
US4025405A (en) 1977-05-24
NL161202B (nl) 1979-08-15
DE2251660A1 (de) 1973-04-26
CA1036975A (en) 1978-08-22
NL7214265A (nl) 1973-04-25
ZA727499B (en) 1973-12-19
FR2156858A1 (nl) 1973-06-01
IT966439B (it) 1974-02-11
AR196207A1 (es) 1973-12-10
JPS4861397A (nl) 1973-08-28
GB1402920A (en) 1975-08-13
BR7207368D0 (pt) 1973-10-09
FR2156858B1 (nl) 1976-05-21
IL40630A (en) 1976-01-30
AT319277B (de) 1974-12-10
FI56704B (fi) 1979-11-30
DE2251660B2 (de) 1976-09-02
IL40630A0 (en) 1972-12-29

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Legal Events

Date Code Title Description
CH Change of patent owner

Owner name: *ELTECH SYSTEMS CORP.

Effective date: 19841109

CN Change of patent owner's name

Owner name: *ELTECH SYSTEMS CORP.

Effective date: 19841109

RE20 Patent expired

Owner name: ELTECH SYSTEMS CORP.

Effective date: 19921020