FI913234A - Foerfarande foer separering av sulfat. - Google Patents

Foerfarande foer separering av sulfat. Download PDF

Info

Publication number
FI913234A
FI913234A FI913234A FI913234A FI913234A FI 913234 A FI913234 A FI 913234A FI 913234 A FI913234 A FI 913234A FI 913234 A FI913234 A FI 913234A FI 913234 A FI913234 A FI 913234A
Authority
FI
Finland
Prior art keywords
sulfat
foerfarande foer
foer separering
separering
foerfarande
Prior art date
Application number
FI913234A
Other languages
English (en)
Other versions
FI913234A0 (fi
FI101530B1 (fi
FI101530B (fi
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 FI913234A0 publication Critical patent/FI913234A0/fi
Publication of FI913234A publication Critical patent/FI913234A/fi
Application granted granted Critical
Publication of FI101530B1 publication Critical patent/FI101530B1/fi
Publication of FI101530B publication Critical patent/FI101530B/fi

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)
FI913234A 1990-07-16 1991-07-03 Menetelmä sulfaatin erottamiseksi FI101530B (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US55262090 1990-07-16
US07/552,620 US5093089A (en) 1990-07-16 1990-07-16 Process for the separation of sulphate

Publications (4)

Publication Number Publication Date
FI913234A0 FI913234A0 (fi) 1991-07-03
FI913234A true FI913234A (fi) 1992-01-17
FI101530B1 FI101530B1 (fi) 1998-07-15
FI101530B FI101530B (fi) 1998-07-15

Family

ID=24206091

Family Applications (1)

Application Number Title Priority Date Filing Date
FI913234A FI101530B (fi) 1990-07-16 1991-07-03 Menetelmä sulfaatin erottamiseksi

Country Status (11)

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

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2100948C (en) * 1992-04-22 1995-01-24 John Robert Jackson Process for chromium removal using an inorganic sulfur compound
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 (en) * 2005-08-30 2007-03-07 F.Hoffmann-La Roche Ag Method for crystallization of a weakly acidic and/or weakly basic compound
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
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
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
EP3647267A4 (en) * 2017-06-26 2021-03-24 Daniel Ernesto Galli PROCESS WITH MINIMUM ENVIRONMENTAL IMPACT AND MAXIMUM LITHIUM RECOVERY TO OBTAIN CONCENTRATED BRINE WITH A MINIMUM IMPURITY CONTENT FROM BRINE THAT IMPREGNATES SALINES AND NATURAL SALT MINES

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 (en) * 1980-09-02 1985-03-05 Hideo Yamamoto Process for recovering cr(vi) ions from a chlorate cell liquor
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 (en) * 1987-09-14 1993-03-23 Ian Harry Warren Stripping and recovery of dichromate in electrolytic chlorate systems

Also Published As

Publication number Publication date
SE506783C2 (sv) 1998-02-09
JPH0624739A (ja) 1994-02-01
US5093089A (en) 1992-03-03
PT98318B (pt) 1999-01-29
SE9102169L (sv) 1992-01-17
SE9102169D0 (sv) 1991-07-12
ES2033580A1 (es) 1993-03-16
NZ238887A (en) 1992-08-26
FI913234A0 (fi) 1991-07-03
AU630031B2 (en) 1992-10-15
CA2041914A1 (en) 1992-01-17
PT98318A (pt) 1992-05-29
FI101530B1 (fi) 1998-07-15
AU7612691A (en) 1992-01-16
CN1058240A (zh) 1992-01-29
CA2041914C (en) 1997-12-30
ES2033580B1 (es) 1997-07-16
ZA915393B (en) 1992-06-24
FI101530B (fi) 1998-07-15
CN1050866C (zh) 2000-03-29

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MA Patent expired