BE875890A - Enlevement d'impuretes sous forme de parties par milliard de saumures alcalines - Google Patents

Enlevement d'impuretes sous forme de parties par milliard de saumures alcalines

Info

Publication number
BE875890A
BE875890A BE0/194868A BE194868A BE875890A BE 875890 A BE875890 A BE 875890A BE 0/194868 A BE0/194868 A BE 0/194868A BE 194868 A BE194868 A BE 194868A BE 875890 A BE875890 A BE 875890A
Authority
BE
Belgium
Prior art keywords
impurities
removal
parts per
per billion
alkaline brine
Prior art date
Application number
BE0/194868A
Other languages
English (en)
Inventor
W Darlington
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 BE875890A publication Critical patent/BE875890A/fr

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

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)
BE0/194868A 1978-04-27 1979-04-26 Enlevement d'impuretes sous forme de parties par milliard de saumures alcalines BE875890A (fr)

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 (1)

Publication Number Publication Date
BE875890A true BE875890A (fr) 1979-10-26

Family

ID=25412561

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/194868A BE875890A (fr) 1978-04-27 1979-04-26 Enlevement d'impuretes sous forme de parties par milliard de saumures alcalines

Country Status (10)

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

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS551351B2 (fr) * 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 (fr) * 1983-03-30 1984-10-11 Du Pont Procede ameliore d'electrolyse de saumure avec des impuretes d'iodure
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 (fr) * 1995-07-21 2000-06-27 Kenneth R. Maycock Extraction de metal et de metalloides a partir de saumure
US6296745B1 (en) * 2000-04-28 2001-10-02 Ppg Industries Ohio, Inc. Method of operating chlor-alkali electrolytic cells
US8038884B2 (en) * 2005-02-18 2011-10-18 Akzo Nobel N.V. Process to prepare chlorine-containing compounds
HUE041348T2 (hu) * 2005-02-18 2019-05-28 Akzo Nobel Chemicals Int Bv Eljárás klór vagy nátrium-klorát elõállítására
ATE422485T1 (de) * 2005-02-18 2009-02-15 Akzo Nobel Nv Verfahren zur herstellung von salz
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
ES2570553T3 (es) * 2008-04-11 2016-05-19 Christopher M Mcwhinney Procedimiento electroquímico
US9598782B2 (en) 2008-04-11 2017-03-21 Christopher M. McWhinney Membrane module
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
AU517236B2 (en) 1981-07-16
JPS54148192A (en) 1979-11-20
IT1119919B (it) 1986-03-19
GB2020262A (en) 1979-11-14
IT7967883A0 (it) 1979-04-26
DE2916344A1 (de) 1979-10-31
SE7903646L (sv) 1979-10-28
NL7903208A (nl) 1979-10-30
GB2020262B (en) 1982-10-20
AU4604979A (en) 1979-11-01
US4176022A (en) 1979-11-27
FR2424335A1 (fr) 1979-11-23

Similar Documents

Publication Publication Date Title
BE875890A (fr) Enlevement d'impuretes sous forme de parties par milliard de saumures alcalines
LU91290I2 (fr) Céfovécine, optionnellement sous la forme d'un sel, dont le sel de sodium (CONVENIAr)
IT1151031B (it) Composizione per pulitura,in particolare per l'eliminazione di fondente per saldatura
FR2611514B1 (fr) Poucier de maintien pour prevenir des lesions des ligaments du pouce
LU90097I2 (fr) Ropinirole facultativement sous forme de sels pharmaceutiquement acceptables et de préférence le sel hydrochlorique
FR2532621B1 (fr) Recipient a contour en forme de chainette
MX9200922A (es) Proceso y aparato para separar impurezas de hidro carburos.
ES2010966B3 (es) Empleo de tensioactivos en la precipitacion de alumina en el proceso bayer.
FR2534157B1 (fr) Appareil de nettoyage sous l'eau
ES509706A0 (es) "mejoras introducidas en el objeto de la patente principal n 504.302".
IT1165392B (it) Processo per ridurre la porosita' e la scabrosita' superficiale di substrati ceramici
FR2527377B1 (fr) Dielectriques sous forme de vapeurs sursaturees
MA19537A1 (fr) Compositions phytosanitaires sous forme de granules
EP0207366A3 (en) Process for the filtration of dry-cleaning baths and filtration aids in the form of prepared layered silicates used thereby
ES523528A0 (es) "mejoras en la preparacion de compuestos de adicion entre menadiona y tiamina".
BE828953A (fr) Procede de preparation d'agents retardateurs de combustion sous forme de phosphazenes modifiees
BE882852A (fr) Procede de preparation d'une solution de gallium 68, sous forme ionique
FR2526792B1 (fr) Derives d'aletheine utiles pour le traitement des lesions hepatiques
RO76406A (fr) COMPOSITION SYNERGETIQUE POUR L'ATTRACTION DES MASCULS DE MAMESTRA BéASSICAE
FR2529195B1 (fr) Engrais sous forme de batonnets
IT8422213A0 (it) Procedimento per la produzione di cavita' in blocchi di tondo di acciaio.
BE896154A (fr) Agencement de couteau, notamment pour des rabots et l'analogue
IT7869187A0 (it) Procedimento per l'incisione di forme per la stampa in rotocalco
FR2542197B1 (fr) Remede medicamenteux et prophylactique anticarie dentaire sous forme de granules
IT1240097B (it) Complesso per l'asportazione dell'acqua di raffreddamento da materialelaminato esteso in lunghezza.