FI911137A - Foerfarande foer avlaegsnande av sulfat ur alkalimetallkloratloesningar och foerfarande foer framstaellning av saodana alkalimetallklorat - Google Patents

Foerfarande foer avlaegsnande av sulfat ur alkalimetallkloratloesningar och foerfarande foer framstaellning av saodana alkalimetallklorat Download PDF

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Publication number
FI911137A
FI911137A FI911137A FI911137A FI911137A FI 911137 A FI911137 A FI 911137A FI 911137 A FI911137 A FI 911137A FI 911137 A FI911137 A FI 911137A FI 911137 A FI911137 A FI 911137A
Authority
FI
Finland
Prior art keywords
alkalimetalkallchlorate
overflower
exhaust
exhaust alkalimetalkallchlorate
Prior art date
Application number
FI911137A
Other languages
English (en)
Other versions
FI107810B (fi
FI911137A0 (fi
Inventor
Istvan Szanto
Dietrich Marc Krebs
Original Assignee
Krebs & Co Ag
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 & Co Ag filed Critical Krebs & Co Ag
Publication of FI911137A0 publication Critical patent/FI911137A0/fi
Publication of FI911137A publication Critical patent/FI911137A/fi
Application granted granted Critical
Publication of FI107810B publication Critical patent/FI107810B/fi

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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)
FI911137A 1991-03-01 1991-03-07 Menetelmä sulfaatin poistamiseksi alkalimetallikloraattiliuoksista ja menetelmä tällaisten alkalimetallikloraattien valmistamiseksi FI107810B (fi)

Applications Claiming Priority (2)

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.
FR9102502 1991-03-01

Publications (3)

Publication Number Publication Date
FI911137A0 FI911137A0 (fi) 1991-03-07
FI911137A true FI911137A (fi) 1992-09-02
FI107810B FI107810B (fi) 2001-10-15

Family

ID=9410262

Family Applications (1)

Application Number Title Priority Date Filing Date
FI911137A FI107810B (fi) 1991-03-01 1991-03-07 Menetelmä sulfaatin poistamiseksi alkalimetallikloraattiliuoksista ja menetelmä tällaisten alkalimetallikloraattien valmistamiseksi

Country Status (6)

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

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
WO2012129510A1 (en) * 2011-03-24 2012-09-27 New Sky Energy, Inc. Sulfate-based electrolysis processing with flexible feed control, and use to capture carbon dioxide
JP6236392B2 (ja) 2012-10-01 2017-11-22 日本製紙株式会社 多硫化物製造用電解槽による連続電解方法及びそれを実施する電解装置
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
FI107810B (fi) 2001-10-15
SE504562C2 (sv) 1997-03-03
SE9100657D0 (sv) 1991-03-06
NO910888D0 (no) 1991-03-06
FI911137A0 (fi) 1991-03-07
SE9100657L (sv) 1992-09-02
NO910888L (no) 1992-09-02
CA2037718A1 (en) 1992-09-02
CA2037718C (en) 1998-11-24
FR2673423A1 (fr) 1992-09-04
FR2673423B1 (fr) 1994-04-15
NO303573B1 (no) 1998-08-03
US5176801A (en) 1993-01-05

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