SE9100657L - Avlaegsnande av sulfat fraan alkalimetallkloratloesningar och framstaellning av alkaliklorat inklusive naemnda avlaegsnande - Google Patents

Avlaegsnande av sulfat fraan alkalimetallkloratloesningar och framstaellning av alkaliklorat inklusive naemnda avlaegsnande

Info

Publication number
SE9100657L
SE9100657L SE9100657A SE9100657A SE9100657L SE 9100657 L SE9100657 L SE 9100657L SE 9100657 A SE9100657 A SE 9100657A SE 9100657 A SE9100657 A SE 9100657A SE 9100657 L SE9100657 L SE 9100657L
Authority
SE
Sweden
Prior art keywords
disposal
solutions
alkaliclorate
alkalimetal
sulphate
Prior art date
Application number
SE9100657A
Other languages
Unknown language ( )
English (en)
Other versions
SE504562C2 (sv
SE9100657D0 (sv
Inventor
I Szanto
Original Assignee
Krebs & Cie 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 Krebs & Cie Sa filed Critical Krebs & Cie Sa
Publication of SE9100657D0 publication Critical patent/SE9100657D0/sv
Publication of SE9100657L publication Critical patent/SE9100657L/sv
Publication of SE504562C2 publication Critical patent/SE504562C2/sv

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
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B11/00—Oxides or oxyacids of halogens; Salts thereof
    • C01B11/12—Chloric acid
    • C01B11/14—Chlorates
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B11/00—Oxides or oxyacids of halogens; Salts thereof
    • C01B11/12—Chloric acid
    • C01B11/14—Chlorates
    • C01B11/145—Separation; Crystallisation; Purification, After-treatment; Stabilisation by additives
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Removal Of Specific Substances (AREA)
SE9100657A 1991-03-01 1991-03-06 Förfarande för avlägsnande av sulfat från en vattenhaltig lösning av alkalimetallklorat SE504562C2 (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9102502A FR2673423B1 (fr) 1991-03-01 1991-03-01 Procede d'elimination de sulfates contenus dans des solutions de chlorates alcalins et production desdits chlorates alcalins.

Publications (3)

Publication Number Publication Date
SE9100657D0 SE9100657D0 (sv) 1991-03-06
SE9100657L true SE9100657L (sv) 1992-09-02
SE504562C2 SE504562C2 (sv) 1997-03-03

Family

ID=9410262

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9100657A SE504562C2 (sv) 1991-03-01 1991-03-06 Förfarande för avlägsnande av sulfat från en vattenhaltig lösning av alkalimetallklorat

Country Status (6)

Country Link
US (1) US5176801A (sv)
CA (1) CA2037718C (sv)
FI (1) FI107810B (sv)
FR (1) FR2673423B1 (sv)
NO (1) NO303573B1 (sv)
SE (1) SE504562C2 (sv)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE511987C2 (sv) * 1993-03-09 2000-01-10 Eka Chemicals Ab Metod för avskiljning av sulfat från en vattenhaltig elektrolyt i en alkalimetallkloratprocess
SE512074C2 (sv) * 1993-03-09 2000-01-24 Eka Chemicals Ab Metod att avlägsna kalciumjoner och kiselföreningar från vätska i en alkalimetallkloratprocess
FR2761357B1 (fr) * 1997-03-28 1999-06-04 Tredi Production de gypse purifie a partir d'effluents industriels charges en sulfates
GB9815173D0 (en) * 1998-07-13 1998-09-09 Nat Power Plc Process for the removal of sulphate ions
US7250144B2 (en) * 2005-05-11 2007-07-31 Tronox Llc Perchlorate removal from sodium chlorate process
FR2951383B1 (fr) 2009-10-20 2012-09-21 Solvay Procede pour la valorisation conjointe de sels solubles contenus dans un residu d'un procede industriel
CA2868373A1 (en) * 2011-03-24 2012-09-27 New Sky Energy, Llc Sulfate-based electrolysis processing with flexible feed control, and use to capture carbon dioxide
MY188587A (en) * 2012-10-01 2021-12-22 Jujo Paper Co Ltd Continuous electrolysis method with electrolytic bath for polysulfide production and electrolysis device for implementing the same
CN113247921B (zh) * 2021-05-20 2023-04-07 湖南恒光科技股份有限公司 一种氯碱与氯酸钠联合脱硝工艺
CN114436311A (zh) * 2022-02-24 2022-05-06 四川大学 一种钙芒硝石膏的深度提纯方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2450259B2 (de) * 1974-10-23 1979-03-29 Bayer Ag, 5090 Leverkusen Verfahren zur Reinigung von Elektrolysesole
JPS5722117A (en) * 1980-07-09 1982-02-05 Toagosei Chem Ind Co Ltd Purifying method of electrolytic brine
US4636376A (en) * 1985-09-30 1987-01-13 Ppg Industries, Inc. Sulfate removal from alkali metal chlorate solutions
US4702805A (en) * 1986-03-27 1987-10-27 C-I-L Inc. Production of sodium chlorate
US4747917A (en) * 1987-03-02 1988-05-31 Olin Corporation Scale-free process for purifying concentrated alkali metal halide brines containing sulfate ions as an impurity

Also Published As

Publication number Publication date
FR2673423B1 (fr) 1994-04-15
NO303573B1 (no) 1998-08-03
NO910888D0 (no) 1991-03-06
SE504562C2 (sv) 1997-03-03
FR2673423A1 (fr) 1992-09-04
NO910888L (no) 1992-09-02
SE9100657D0 (sv) 1991-03-06
CA2037718C (en) 1998-11-24
CA2037718A1 (en) 1992-09-02
US5176801A (en) 1993-01-05
FI911137A0 (fi) 1991-03-07
FI911137A7 (fi) 1992-09-02
FI107810B (sv) 2001-10-15

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Legal Events

Date Code Title Description
NUG Patent has lapsed