IT1119919B - Procedimento per l'elettrolisi di una salamoia di cloruro di metallo alcalino - Google Patents

Procedimento per l'elettrolisi di una salamoia di cloruro di metallo alcalino

Info

Publication number
IT1119919B
IT1119919B IT67883/79A IT6788379A IT1119919B IT 1119919 B IT1119919 B IT 1119919B IT 67883/79 A IT67883/79 A IT 67883/79A IT 6788379 A IT6788379 A IT 6788379A IT 1119919 B IT1119919 B IT 1119919B
Authority
IT
Italy
Prior art keywords
electrolysis
metal chloride
alkaline metal
chloride brine
brine
Prior art date
Application number
IT67883/79A
Other languages
English (en)
Other versions
IT7967883A0 (it
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 IT7967883A0 publication Critical patent/IT7967883A0/it
Application granted granted Critical
Publication of IT1119919B publication Critical patent/IT1119919B/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
    • 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
    • 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
    • C01D3/16—Purification by precipitation or adsorption
    • 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
    • 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
    • C25B15/085—Removing impurities

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Metallurgy (AREA)
  • Removal Of Specific Substances (AREA)
  • Treatment Of Water By Ion Exchange (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
IT67883/79A 1978-04-27 1979-04-26 Procedimento per l'elettrolisi di una salamoia di cloruro di metallo alcalino IT1119919B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/900,457 US4176022A (en) 1978-04-27 1978-04-27 Removal of part per billion level hardness impurities from alkali metal chloride brines

Publications (2)

Publication Number Publication Date
IT7967883A0 IT7967883A0 (it) 1979-04-26
IT1119919B true IT1119919B (it) 1986-03-19

Family

ID=25412561

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67883/79A IT1119919B (it) 1978-04-27 1979-04-26 Procedimento per l'elettrolisi di una salamoia di cloruro di metallo alcalino

Country Status (10)

Country Link
US (1) US4176022A (it)
JP (1) JPS54148192A (it)
AU (1) AU517236B2 (it)
BE (1) BE875890A (it)
DE (1) DE2916344A1 (it)
FR (1) FR2424335A1 (it)
GB (1) GB2020262B (it)
IT (1) IT1119919B (it)
NL (1) NL7903208A (it)
SE (1) SE7903646L (it)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS551351B2 (it) * 1974-03-07 1980-01-12
JPS5565372A (en) * 1978-11-10 1980-05-16 Asahi Glass Co Ltd Electrolyzing method of aqueous potassium chloride solution
US4303624A (en) * 1980-09-12 1981-12-01 Olin Corporation Purification of alkali metal chloride brines
US4308030A (en) * 1981-01-12 1981-12-29 Olin Corporation Method of determination of alkaline earth metal ions in concentrated alkali metal chloride brines
US4381230A (en) * 1981-06-22 1983-04-26 The Dow Chemical Company Operation and regeneration of permselective ion-exchange membranes in brine electrolysis cells
US4405573A (en) * 1981-12-17 1983-09-20 Olin Corporation Process for preparing potassium ferrate (K2 FeO4)
US4818773A (en) * 1983-02-24 1989-04-04 Rohm And Haas Company Alkylaminophosphonic chelating resins, their preparation and use in purifying brines
JPS59162285A (ja) * 1983-03-04 1984-09-13 Asahi Chem Ind Co Ltd イオン交換膜法による食塩の電解方法
WO1984003904A1 (en) * 1983-03-30 1984-10-11 Du Pont Improved process for electrolysis of brine with iodide impurities
US4618403A (en) * 1983-10-24 1986-10-21 Olin Corporation Method of stabilizing metal-silica complexes in alkali metal halide brines
US4515665A (en) * 1983-10-24 1985-05-07 Olin Corporation Method of stabilizing metal-silica complexes in alkali metal halide brines
US4450057A (en) * 1983-11-18 1984-05-22 Olin Corporation Process for removing aluminum and silica from alkali metal halide brine solutions
US4634533A (en) * 1985-04-26 1987-01-06 Somerville Robert L Method of converting brines to useful products
US4586993A (en) * 1985-05-31 1986-05-06 Stearns Catalytic World Corporation Control of sulfates in membrane cell chlor-alkali process
DE3629820A1 (de) * 1985-09-05 1987-03-05 Ppg Industries Inc Diephragma aus synthetischen polymeren, seine herstellung und verwendung zur chlor-alkalielektrolyse
US4648949A (en) * 1985-12-31 1987-03-10 E. I. Du Pont De Nemours And Company Process for electrolysis of silica-containing brine
CA2174713C (en) * 1995-07-21 2000-06-27 Kenneth R. Maycock Removal of trace metal and metalloid species from brine
US6296745B1 (en) * 2000-04-28 2001-10-02 Ppg Industries Ohio, Inc. Method of operating chlor-alkali electrolytic cells
WO2006087303A1 (en) * 2005-02-18 2006-08-24 Akzo Nobel N.V. Process to prepare chlorine-containing compounds
PT1858806E (pt) * 2005-02-18 2009-05-12 Akzo Nobel Nv Processo para preparação de sal
HUE041348T2 (hu) * 2005-02-18 2019-05-28 Akzo Nobel Chemicals Int Bv Eljárás klór vagy nátrium-klorát elõállítására
FR2905947B1 (fr) * 2006-09-18 2009-02-27 Tescel Etablissement Public Procede de recyclage de saumures, notamment des saumures de regeneration des adoucisseurs d'eau
US9598782B2 (en) 2008-04-11 2017-03-21 Christopher M. McWhinney Membrane module
WO2009137221A2 (en) * 2008-04-11 2009-11-12 Mcwhinney Christopher M Membrane for electrochemical apparatus
CA2750881A1 (fr) * 2011-08-23 2013-02-23 Hydro-Quebec Methode pour reduire l`impact negatif des impuretes sur les electrodes servant a l`electrosynthese du chlorate de sodium
JP2014028363A (ja) 2012-06-28 2014-02-13 Molex Inc 酸性電解水およびその製造方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3163599A (en) * 1963-01-21 1964-12-29 Grace W R & Co Process of descaling sea water
BE795460A (fr) * 1972-02-16 1973-08-16 Diamond Shamrock Corp Perfectionnements relatifs a des cuves electrolytiques
US4038365A (en) * 1975-12-03 1977-07-26 Basf Wyandotte Corporation Removal of low level hardness impurities from brine feed to chlorine cells
NL7804322A (nl) * 1977-05-04 1978-11-07 Asahi Glass Co Ltd Werkwijze voor het bereiden van natriumhydroxyde door het elektrolyseren van natriumchloride.

Also Published As

Publication number Publication date
BE875890A (fr) 1979-10-26
JPS54148192A (en) 1979-11-20
DE2916344A1 (de) 1979-10-31
IT7967883A0 (it) 1979-04-26
SE7903646L (sv) 1979-10-28
FR2424335A1 (fr) 1979-11-23
GB2020262A (en) 1979-11-14
NL7903208A (nl) 1979-10-30
US4176022A (en) 1979-11-27
AU517236B2 (en) 1981-07-16
AU4604979A (en) 1979-11-01
GB2020262B (en) 1982-10-20

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