FR2376907A1 - Procede de traitement, de sel sulfate precipite au cours de l'evaporation de soude caustique de cellules a diaphragme - Google Patents

Procede de traitement, de sel sulfate precipite au cours de l'evaporation de soude caustique de cellules a diaphragme

Info

Publication number
FR2376907A1
FR2376907A1 FR7700230A FR7700230A FR2376907A1 FR 2376907 A1 FR2376907 A1 FR 2376907A1 FR 7700230 A FR7700230 A FR 7700230A FR 7700230 A FR7700230 A FR 7700230A FR 2376907 A1 FR2376907 A1 FR 2376907A1
Authority
FR
France
Prior art keywords
salt
treatment
evaporation
caustic soda
subjected
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.)
Granted
Application number
FR7700230A
Other languages
English (en)
French (fr)
Other versions
FR2376907B1 (OSRAM
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.)
Appareils et Evaporateurs Kestner SA
Original Assignee
Appareils et Evaporateurs Kestner SA
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 Appareils et Evaporateurs Kestner SA filed Critical Appareils et Evaporateurs Kestner SA
Priority to FR7700230A priority Critical patent/FR2376907A1/fr
Publication of FR2376907A1 publication Critical patent/FR2376907A1/fr
Application granted granted Critical
Publication of FR2376907B1 publication Critical patent/FR2376907B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • C01D3/04—Chlorides
    • C01D3/06—Preparation by working up brines; seawater or spent lyes
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D5/00—Sulfates or sulfites of sodium, potassium or alkali metals in general
    • 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
    • C25B15/083—Separating products
    • 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
    • C25B15/087—Recycling of electrolyte to electrochemical cell

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Metallurgy (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
FR7700230A 1977-01-06 1977-01-06 Procede de traitement, de sel sulfate precipite au cours de l'evaporation de soude caustique de cellules a diaphragme Granted FR2376907A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7700230A FR2376907A1 (fr) 1977-01-06 1977-01-06 Procede de traitement, de sel sulfate precipite au cours de l'evaporation de soude caustique de cellules a diaphragme

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7700230A FR2376907A1 (fr) 1977-01-06 1977-01-06 Procede de traitement, de sel sulfate precipite au cours de l'evaporation de soude caustique de cellules a diaphragme

Publications (2)

Publication Number Publication Date
FR2376907A1 true FR2376907A1 (fr) 1978-08-04
FR2376907B1 FR2376907B1 (OSRAM) 1979-04-20

Family

ID=9185176

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7700230A Granted FR2376907A1 (fr) 1977-01-06 1977-01-06 Procede de traitement, de sel sulfate precipite au cours de l'evaporation de soude caustique de cellules a diaphragme

Country Status (1)

Country Link
FR (1) FR2376907A1 (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0093319A3 (en) * 1982-05-03 1984-02-08 Bayer Ag Process for the electrolytic production of chlorine and caustic soda from salt containing sulphate

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB422689A (en) * 1933-08-19 1935-01-16 Ig Farbenindustrie Ag Process for the joint production of a caustic soda lye, poor in sodium chloride, and of glauber salt

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB422689A (en) * 1933-08-19 1935-01-16 Ig Farbenindustrie Ag Process for the joint production of a caustic soda lye, poor in sodium chloride, and of glauber salt

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0093319A3 (en) * 1982-05-03 1984-02-08 Bayer Ag Process for the electrolytic production of chlorine and caustic soda from salt containing sulphate

Also Published As

Publication number Publication date
FR2376907B1 (OSRAM) 1979-04-20

Similar Documents

Publication Publication Date Title
FR2409962A1 (fr) Procede pour separer des composes chimiques d'une eau salee
FR2523114A1 (fr) Procede de fabrication de sulfate de potassium a partir de solutions contenant du chlorure de magnesium et de chlorure de potassium
FR2361482A1 (fr) Procede de recuperation du zinc
FR2430988A1 (fr) Procede pour effectuer la circulation en cascade de l'electrolyte dans les cellules electrolytiques pour la production de chlore et de base alcaline
FR2373614A1 (fr) Procede pour la production de chlore et de carbonate de sodium monohydrate
ES446383A1 (es) Procedimiento de obtencion de sosa caustica y de cloruro de sodio puro.
US1397239A (en) Electrolytic production of hypochlorite solutions
FR2083374A1 (fr) Procede de recuperation de mercure des boues de filtration de la saumure provenant d'une electrolyse d'un chlorure alcalin fonctionnant selon le procede a l'amalgame
FR2431552A1 (fr) Procede de traitement des diaphragmes de cellules d'electrolyse de solutions salines aqueuses
FR2451890A1 (fr) Enrichissement de minerais pour la recuperation de chlorure de magnesium anhydre et de sous-produits interessants
SU298181A1 (ru) Способ очистки раствора сульфата никел
SE7714609L (sv) Forfarande for extrahering av gallium ur aluminatalkaliska losningar, som erhalles vid behandling av aluminiumhaltiga malmer
BR7905453A (pt) Processo para a eletrolise de solucoes aquosas de halogenetos alcalinos
US1992324A (en) Manufacture of potassium carbonate and sodium sulphate
SU962207A1 (ru) Способ получени обогащенного карналлита
US3420757A (en) Mercury cathode electrolysis
GB772226A (en) Process for recovering purified mercury from impure mercury containing alloying metal impurities
US2034999A (en) Joint production of a soda lye, poor in sodium chloride, and of glauber salt
GB1207215A (en) Recovery of mercury vapour from air streams
SU10517A1 (ru) Способ очистки электролита от магниевых и кальциевых солей
US1888886A (en) Treatment of caustic solutions for the production of solutions and of solid caustic soda of a high degree of purity
GB1058581A (en) Process for obtaining chlorine, sodium hydroxide and hydrogen by the electrolysis of sodium chloride in mercury cells
SU119876A1 (ru) Способ выделени альфа, альфа1-дисульфокислот антрахинона из сульфомассы
US3655539A (en) Soluble chromate purification by electrolysis
SU436799A1 (ru) Способ очистки амальгам, образующихс в процессе электролиза с ртутным катодом