SE506783C2 - Förfarande för att avskilja ett alkalimetallsulfat från en vattenhaltig vätska innehållande en kromkomponent - Google Patents

Förfarande för att avskilja ett alkalimetallsulfat från en vattenhaltig vätska innehållande en kromkomponent

Info

Publication number
SE506783C2
SE506783C2 SE9102169A SE9102169A SE506783C2 SE 506783 C2 SE506783 C2 SE 506783C2 SE 9102169 A SE9102169 A SE 9102169A SE 9102169 A SE9102169 A SE 9102169A SE 506783 C2 SE506783 C2 SE 506783C2
Authority
SE
Sweden
Prior art keywords
sulphate
sodium
chlorate
liquid
mother liquor
Prior art date
Application number
SE9102169A
Other languages
English (en)
Swedish (sv)
Other versions
SE9102169L (sv
SE9102169D0 (sv
Inventor
Raymond Ewart Alford
Felix Man Mok
Original Assignee
Chemetics Int
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 Chemetics Int filed Critical Chemetics Int
Publication of SE9102169D0 publication Critical patent/SE9102169D0/xx
Publication of SE9102169L publication Critical patent/SE9102169L/
Publication of SE506783C2 publication Critical patent/SE506783C2/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
    • C25B1/00—Electrolytic production of inorganic compounds or non-metals
    • C25B1/01—Products
    • C25B1/24—Halogens or compounds thereof
    • C25B1/26—Chlorine; Compounds thereof
    • C25B1/265—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
    • 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
    • C01D3/14—Purification
    • C01D3/16—Purification by precipitation or adsorption

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Metallurgy (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Removal Of Specific Substances (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
SE9102169A 1990-07-16 1991-07-12 Förfarande för att avskilja ett alkalimetallsulfat från en vattenhaltig vätska innehållande en kromkomponent SE506783C2 (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/552,620 US5093089A (en) 1990-07-16 1990-07-16 Process for the separation of sulphate

Publications (3)

Publication Number Publication Date
SE9102169D0 SE9102169D0 (sv) 1991-07-12
SE9102169L SE9102169L (sv) 1992-01-17
SE506783C2 true SE506783C2 (sv) 1998-02-09

Family

ID=24206091

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9102169A SE506783C2 (sv) 1990-07-16 1991-07-12 Förfarande för att avskilja ett alkalimetallsulfat från en vattenhaltig vätska innehållande en kromkomponent

Country Status (11)

Country Link
US (1) US5093089A (fr)
JP (1) JPH0624739A (fr)
CN (1) CN1050866C (fr)
AU (1) AU630031B2 (fr)
CA (1) CA2041914C (fr)
ES (1) ES2033580B1 (fr)
FI (1) FI101530B (fr)
NZ (1) NZ238887A (fr)
PT (1) PT98318B (fr)
SE (1) SE506783C2 (fr)
ZA (1) ZA915393B (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2100948C (fr) * 1992-04-22 1995-01-24 John Robert Jackson Procede pour l'elimination du chrome, utilisant un compose de soufre
SE500107C2 (sv) * 1991-06-26 1994-04-18 Eka Nobel Ab Förfarande för framställning av klordioxid
US5520902A (en) * 1994-11-25 1996-05-28 Occidental Chemical Corporation Process for making chromium-free orthorhombic sodium sulfate
JP4012058B2 (ja) 2001-12-21 2007-11-21 キヤノン株式会社 リサイクル性重合体、その製造方法、ならびにリサイクル処理方法
EP1759749A1 (fr) * 2005-08-30 2007-03-07 F.Hoffmann-La Roche Ag Procédé de cristallisation de composés faiblement acides ou fablement basiques
US9869028B2 (en) 2012-08-22 2018-01-16 Chemetics Inc. Side stream removal of impurities in electrolysis systems
CN103539164B (zh) * 2013-11-01 2016-05-25 四川省银河化学股份有限公司 一种由含铬芒硝精制元明粉的方法
CN106048239B (zh) * 2016-06-30 2018-07-20 华南理工大学 一种含六价铬废渣的资源循环再利用的处理方法
CN105907991B (zh) * 2016-06-30 2018-01-05 华南理工大学 一种含六价铬废渣提取回收铬的脱毒处理方法
WO2019002653A1 (fr) * 2017-06-26 2019-01-03 GRANDE VILLARINO, Alejandro María Procédé à impact environnemental minimum et à récupération maximum de lithium pour obtenir des saumures concentrées avec une teneur minimale en impuretés à partir de saumures qui imprègnent des salines et des mines de sel naturelles

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
DE2709728C2 (de) * 1977-03-05 1981-10-29 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von Chlor und Alkalihydroxid durch Elektrolyse unter Einsatz von calcium- und/oder sulfathaltigem Rohsalz
US4268486A (en) * 1979-07-02 1981-05-19 Olin Corporation Selective chromate removal from a chlorate solution
US4259297A (en) * 1979-09-04 1981-03-31 Olin Corporation Chromate removal from concentrated chlorate solution by chemical precipitation
CA1183489A (fr) * 1980-09-02 1985-03-05 Hideo Yamamoto Procede de recuperation des ions cr(vi) contenus dans le liqueur d'une cellule au chlorate
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
SE455706B (sv) * 1986-12-04 1988-08-01 Eka Nobel Ab Sett vid framstellning av alkaliemetallklorat
CA1314688C (fr) * 1987-09-14 1993-03-23 Ian Harry Warren Epuration de systemes electrolytiques au chlorate et recuperation de dichromate

Also Published As

Publication number Publication date
FI101530B1 (fi) 1998-07-15
SE9102169L (sv) 1992-01-17
ES2033580B1 (es) 1997-07-16
AU630031B2 (en) 1992-10-15
CN1050866C (zh) 2000-03-29
ZA915393B (en) 1992-06-24
US5093089A (en) 1992-03-03
SE9102169D0 (sv) 1991-07-12
NZ238887A (en) 1992-08-26
FI101530B (fi) 1998-07-15
CA2041914A1 (fr) 1992-01-17
FI913234A0 (fi) 1991-07-03
CN1058240A (zh) 1992-01-29
CA2041914C (fr) 1997-12-30
PT98318A (pt) 1992-05-29
JPH0624739A (ja) 1994-02-01
PT98318B (pt) 1999-01-29
AU7612691A (en) 1992-01-16
FI913234L (fi) 1992-01-17
ES2033580A1 (es) 1993-03-16

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Legal Events

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NUG Patent has lapsed