FR2343822A1 - Procede de purification des saumures d'electrolyse des cellules a diaphragme - Google Patents

Procede de purification des saumures d'electrolyse des cellules a diaphragme

Info

Publication number
FR2343822A1
FR2343822A1 FR7707158A FR7707158A FR2343822A1 FR 2343822 A1 FR2343822 A1 FR 2343822A1 FR 7707158 A FR7707158 A FR 7707158A FR 7707158 A FR7707158 A FR 7707158A FR 2343822 A1 FR2343822 A1 FR 2343822A1
Authority
FR
France
Prior art keywords
diaphragm cells
purifying electrolysis
electrolysis brine
brine
purifying
Prior art date
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.)
Pending
Application number
FR7707158A
Other languages
English (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.)
Bayer AG
Original Assignee
Bayer AG
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 Bayer AG filed Critical Bayer AG
Publication of FR2343822A1 publication Critical patent/FR2343822A1/fr
Pending 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
    • C25B15/00—Operating or servicing cells
    • C25B15/08—Supplying or removing reactants or electrolytes; Regeneration of electrolytes
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D3/00—Halides of sodium, potassium or alkali metals in general
    • C01D3/14—Purification
    • C01D3/145—Purification by solid ion-exchangers or solid chelating agents
    • 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
FR7707158A 1976-03-10 1977-03-10 Procede de purification des saumures d'electrolyse des cellules a diaphragme Pending FR2343822A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762609828 DE2609828A1 (de) 1976-03-10 1976-03-10 Verfahren zur reinigung von elektrolysesolen fuer diaphragmazellen

Publications (1)

Publication Number Publication Date
FR2343822A1 true FR2343822A1 (fr) 1977-10-07

Family

ID=5971955

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7707158A Pending FR2343822A1 (fr) 1976-03-10 1977-03-10 Procede de purification des saumures d'electrolyse des cellules a diaphragme

Country Status (8)

Country Link
US (1) US4078978A (fr)
JP (1) JPS52122297A (fr)
BE (1) BE852295A (fr)
DE (1) DE2609828A1 (fr)
FR (1) FR2343822A1 (fr)
GB (1) GB1555405A (fr)
NL (1) NL7702437A (fr)
SE (1) SE7702660L (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2464311A1 (fr) * 1979-09-04 1981-03-06 Ionics Procede et appareil de controle d'impuretes et de pollution pour cellules de chlorures alcalins a membrane

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5943556B2 (ja) * 1977-04-20 1984-10-23 旭化成株式会社 イオン交換膜を用いた食塩水の電解方法
CA1128459A (fr) * 1977-10-08 1982-07-27 Shinsaku Ogawa Electrolyse du chlorure de sodium dans une pile a membrane echangeuse d'ions
US4272338A (en) * 1979-06-06 1981-06-09 Olin Corporation Process for the treatment of anolyte brine
JPS5698487A (en) * 1980-01-10 1981-08-07 Asahi Glass Co Ltd Purification method of potassium chloride brine
FI71354C (fi) * 1980-03-03 1986-12-19 Asahi Chemical Ind Foerfarande foer framstaellning av natriumklorat
US4303624A (en) * 1980-09-12 1981-12-01 Olin Corporation Purification of alkali metal chloride brines
US4445987A (en) * 1983-03-30 1984-05-01 Oronzio De Nora S.A. Electrolytic purification and reconcentration of wash and rinse caustic solutions recovered from the regeneration of ion exchange resins
US4443305A (en) * 1983-05-02 1984-04-17 Western Electric Company, Inc. Emulsion electrowinning
US4450057A (en) * 1983-11-18 1984-05-22 Olin Corporation Process for removing aluminum and silica from alkali metal halide brine solutions
DE3345898A1 (de) * 1983-12-20 1985-07-04 Bayer Ag, 5090 Leverkusen Verfahren zur entfernung von sulfat aus elektrolysesole
US4565612A (en) * 1984-12-10 1986-01-21 The Dow Chemical Company Process for reducing sulphate ion concentration in aqueous sodium hydroxide solutions
US4722772A (en) * 1985-01-28 1988-02-02 E. I. Du Pont De Nemours And Company Process for electrolysis of sulfate-containing brine
US4586993A (en) * 1985-05-31 1986-05-06 Stearns Catalytic World Corporation Control of sulfates in membrane cell chlor-alkali process
US4747957A (en) * 1985-09-16 1988-05-31 The Dow Chemical Company Brine treatment using ethylene carboxylic acid polymers
AU600673B2 (en) * 1985-09-16 1990-08-23 Dow Chemical Company, The Method of removing metal contaminants from solutions
US5041197A (en) * 1987-05-05 1991-08-20 Physical Sciences, Inc. H2 /C12 fuel cells for power and HCl production - chemical cogeneration
US6340736B1 (en) 1999-11-29 2002-01-22 General Electric Company Method and apparatus for the production of polycarbonates with brine recycling

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CS156144B1 (fr) * 1972-05-16 1974-07-24
JPS4998048A (fr) * 1973-01-25 1974-09-17

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3051637A (en) * 1959-06-10 1962-08-28 Diamond Alkali Co Process for coordinated operation of diaphragm and mercury cathode electrolytic cells

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CS156144B1 (fr) * 1972-05-16 1974-07-24
JPS4998048A (fr) * 1973-01-25 1974-09-17

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
CA1966 *
CA1975 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2464311A1 (fr) * 1979-09-04 1981-03-06 Ionics Procede et appareil de controle d'impuretes et de pollution pour cellules de chlorures alcalins a membrane

Also Published As

Publication number Publication date
GB1555405A (en) 1979-11-07
SE7702660L (sv) 1977-09-11
US4078978A (en) 1978-03-14
DE2609828A1 (de) 1977-09-15
JPS52122297A (en) 1977-10-14
BE852295A (fr) 1977-09-12
NL7702437A (nl) 1977-09-13

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