SE9300779L - Metod för avskiljning av föroreningar från en vattenhaltig alkalimetallkloratelektrolyt - Google Patents

Metod för avskiljning av föroreningar från en vattenhaltig alkalimetallkloratelektrolyt

Info

Publication number
SE9300779L
SE9300779L SE9300779A SE9300779A SE9300779L SE 9300779 L SE9300779 L SE 9300779L SE 9300779 A SE9300779 A SE 9300779A SE 9300779 A SE9300779 A SE 9300779A SE 9300779 L SE9300779 L SE 9300779L
Authority
SE
Sweden
Prior art keywords
electrolyte
calcium
sulphate
alkali metal
ions
Prior art date
Application number
SE9300779A
Other languages
Unknown language ( )
English (en)
Other versions
SE9300779D0 (sv
SE511987C2 (sv
Inventor
Stina Eriksson
Ulla-Kari Holmstroem
Original Assignee
Eka Nobel Ab
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 Eka Nobel Ab filed Critical Eka Nobel Ab
Priority to SE9300779A priority Critical patent/SE511987C2/sv
Publication of SE9300779D0 publication Critical patent/SE9300779D0/sv
Priority to CA002095063A priority patent/CA2095063C/en
Priority to US08/057,568 priority patent/US5350495A/en
Publication of SE9300779L publication Critical patent/SE9300779L/sv
Publication of SE511987C2 publication Critical patent/SE511987C2/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
    • C01B11/145—Separation; Crystallisation; Purification, After-treatment; Stabilisation by additives

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)
  • Removal Of Specific Substances (AREA)
SE9300779A 1993-03-09 1993-03-09 Metod för avskiljning av sulfat från en vattenhaltig elektrolyt i en alkalimetallkloratprocess SE511987C2 (sv)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE9300779A SE511987C2 (sv) 1993-03-09 1993-03-09 Metod för avskiljning av sulfat från en vattenhaltig elektrolyt i en alkalimetallkloratprocess
CA002095063A CA2095063C (en) 1993-03-09 1993-04-28 Method for separating impurities from an aqueous alkali metal chlorate electrolyte
US08/057,568 US5350495A (en) 1993-03-09 1993-05-06 Method for separating impurities from an aqueous alkali metal chlorate electrolyte

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9300779A SE511987C2 (sv) 1993-03-09 1993-03-09 Metod för avskiljning av sulfat från en vattenhaltig elektrolyt i en alkalimetallkloratprocess

Publications (3)

Publication Number Publication Date
SE9300779D0 SE9300779D0 (sv) 1993-03-09
SE9300779L true SE9300779L (sv) 1994-09-10
SE511987C2 SE511987C2 (sv) 2000-01-10

Family

ID=20389163

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9300779A SE511987C2 (sv) 1993-03-09 1993-03-09 Metod för avskiljning av sulfat från en vattenhaltig elektrolyt i en alkalimetallkloratprocess

Country Status (3)

Country Link
US (1) US5350495A (sv)
CA (1) CA2095063C (sv)
SE (1) SE511987C2 (sv)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5681446A (en) * 1995-08-30 1997-10-28 Sterling Pulp Chemicals, Ltd. Impurity removal for sodium chlorate
GB9815173D0 (en) * 1998-07-13 1998-09-09 Nat Power Plc Process for the removal of sulphate ions
US6478971B1 (en) * 2000-09-21 2002-11-12 Cargill, Incorporated Process for removing sulfate from an aqueous salt solution
CN103608289A (zh) * 2011-04-20 2014-02-26 索尔维公司 使用钙离子净化残留物的方法

Family Cites Families (9)

* 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
US4259297A (en) * 1979-09-04 1981-03-31 Olin Corporation Chromate removal from concentrated chlorate solution by chemical precipitation
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
US4699701A (en) * 1986-10-29 1987-10-13 Tenneco Canada Inc. (Erco Division) Electrochemical removal of chromium from chlorate solutions
US4976936A (en) * 1989-08-18 1990-12-11 Dravo Lime Company Flue gas desulfurization with oxidation of calcium sulfite in FGD discharges
US5215632A (en) * 1990-04-30 1993-06-01 Occidental Chemical Corporation Fluoride removal from aqueous streams
US5108722A (en) * 1990-08-27 1992-04-28 Occidental Chemical Corporation Sulfate removal from chlorate liquor
FR2673423B1 (fr) * 1991-03-01 1994-04-15 Krebs Cie Procede d'elimination de sulfates contenus dans des solutions de chlorates alcalins et production desdits chlorates alcalins.

Also Published As

Publication number Publication date
SE9300779D0 (sv) 1993-03-09
CA2095063C (en) 1999-01-12
SE511987C2 (sv) 2000-01-10
CA2095063A1 (en) 1994-09-10
US5350495A (en) 1994-09-27

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Legal Events

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