ATE188394T1 - Verfahren zur herstellung einer wässrigen natriumhydroxidlösung - Google Patents

Verfahren zur herstellung einer wässrigen natriumhydroxidlösung

Info

Publication number
ATE188394T1
ATE188394T1 AT97203255T AT97203255T ATE188394T1 AT E188394 T1 ATE188394 T1 AT E188394T1 AT 97203255 T AT97203255 T AT 97203255T AT 97203255 T AT97203255 T AT 97203255T AT E188394 T1 ATE188394 T1 AT E188394T1
Authority
AT
Austria
Prior art keywords
sodium hydroxide
producing
aqueous sodium
hydroxide solution
compartment
Prior art date
Application number
AT97203255T
Other languages
English (en)
Inventor
Francesco Posar
Original Assignee
Solvay
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 Solvay filed Critical Solvay
Application granted granted Critical
Publication of ATE188394T1 publication Critical patent/ATE188394T1/de

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
    • C25B1/14—Alkali metal compounds
    • C25B1/16—Hydroxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/42—Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
    • B01D61/44—Ion-selective electrodialysis
    • B01D61/445—Ion-selective electrodialysis with bipolar membranes; Water splitting
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D1/00—Oxides or hydroxides of sodium, potassium or alkali metals in general
    • C01D1/04—Hydroxides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D1/00—Oxides or hydroxides of sodium, potassium or alkali metals in general
    • C01D1/04—Hydroxides
    • C01D1/28—Purification; Separation
    • C01D1/38—Purification; Separation by dialysis

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Urology & Nephrology (AREA)
  • Electrochemistry (AREA)
  • Metallurgy (AREA)
  • General Health & Medical Sciences (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
AT97203255T 1996-10-31 1997-10-17 Verfahren zur herstellung einer wässrigen natriumhydroxidlösung ATE188394T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT96MI002273A IT1287127B1 (it) 1996-10-31 1996-10-31 Procedimento di fabbricazione di una soluzione acquosa di idrossido di sodio

Publications (1)

Publication Number Publication Date
ATE188394T1 true ATE188394T1 (de) 2000-01-15

Family

ID=11375136

Family Applications (1)

Application Number Title Priority Date Filing Date
AT97203255T ATE188394T1 (de) 1996-10-31 1997-10-17 Verfahren zur herstellung einer wässrigen natriumhydroxidlösung

Country Status (12)

Country Link
US (1) US5888368A (de)
EP (1) EP0839570B1 (de)
JP (1) JPH10152790A (de)
AT (1) ATE188394T1 (de)
CA (1) CA2217792A1 (de)
CZ (1) CZ346297A3 (de)
DE (1) DE69701081T2 (de)
ES (1) ES2143283T3 (de)
HU (1) HU220418B1 (de)
IT (1) IT1287127B1 (de)
NO (1) NO975005L (de)
PL (1) PL322919A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7847344B2 (en) * 2002-07-08 2010-12-07 Micron Technology, Inc. Memory utilizing oxide-nitride nanolaminates
JP2009506213A (ja) 2005-08-25 2009-02-12 セラマテック・インク 空気および水を使用して合成ガスを製造するための電気化学的セル
US7604724B2 (en) * 2007-07-03 2009-10-20 Aristos Energy Inc. Method for sour gas treatment
EP2607313B1 (de) 2011-12-23 2017-12-06 Solvay SA Lösungsabbau von erzhaltigem Natriumcarbonat und -bicarbonat
CA3135785A1 (en) * 2019-05-05 2020-11-12 Yuguang C. Li Conversion of carbonate into syngas or c2+ products in electrolysis cell
WO2021144042A1 (en) 2020-01-15 2021-07-22 Shell Internationale Research Maatschappij B.V. Water treatment process
KR102656514B1 (ko) * 2024-02-29 2024-04-11 한국화학연구원 전기투석 스택내에서 알칼리금속 황산염의 처리 및 수소, 황산, 알칼리금속 수산화물과 고부가가치 화합물 동시생산이 가능한 전기화학적 방법

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4238305A (en) * 1979-10-29 1980-12-09 Allied Chemical Corporation Electrodialytic process for the conversion of impure soda values to sodium hydroxide and carbon dioxide
US4536269A (en) * 1983-05-02 1985-08-20 Allied Corporation Multichamber two-compartment electrodialytic water splitter and method of using same for acidification of aqueous soluble salts
US4636289A (en) * 1983-05-02 1987-01-13 Allied Corporation Solution mining of sodium minerals with acids generated by electrodialytic water splitting
US4592817A (en) * 1984-12-03 1986-06-03 Allied Corporation Electrodialytic water splitting process for gaseous products
BE1005716A3 (fr) * 1992-03-09 1993-12-28 Solvay Procede de fabricatiion d'hydroxyde de sodium.
BE1006054A3 (fr) * 1992-07-03 1994-05-03 Solvay Procede de fabrication d'une solution aqueuse d'hydroxyde de sodium.
BE1008471A3 (fr) * 1994-07-05 1996-05-07 Solvay Membrane bipolaire et procede de fabrication d'une membrane bipolaire.

Also Published As

Publication number Publication date
EP0839570A3 (de) 1998-05-20
DE69701081T2 (de) 2000-08-24
DE69701081D1 (de) 2000-02-10
JPH10152790A (ja) 1998-06-09
HUP9701780A3 (en) 2000-06-28
ES2143283T3 (es) 2000-05-01
EP0839570A2 (de) 1998-05-06
NO975005D0 (no) 1997-10-30
IT1287127B1 (it) 1998-08-04
CA2217792A1 (fr) 1998-04-30
US5888368A (en) 1999-03-30
HU9701780D0 (en) 1997-12-29
NO975005L (no) 1998-05-04
CZ346297A3 (cs) 1998-07-15
PL322919A1 (en) 1998-05-11
EP0839570B1 (de) 2000-01-05
ITMI962273A1 (it) 1998-05-01
HUP9701780A2 (hu) 1999-05-28
HU220418B1 (hu) 2002-01-28

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties