FI942338A - Process for purification of contaminated alumina by extraction - Google Patents

Process for purification of contaminated alumina by extraction Download PDF

Info

Publication number
FI942338A
FI942338A FI942338A FI942338A FI942338A FI 942338 A FI942338 A FI 942338A FI 942338 A FI942338 A FI 942338A FI 942338 A FI942338 A FI 942338A FI 942338 A FI942338 A FI 942338A
Authority
FI
Finland
Prior art keywords
purification
extraction
contaminated alumina
contaminated
alumina
Prior art date
Application number
FI942338A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI942338A0 (en
FI98508B (en
FI98508C (en
Inventor
Simo Jokinen
Original Assignee
Kemira Chemicals Oy
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 Kemira Chemicals Oy filed Critical Kemira Chemicals Oy
Priority to FI942338A priority Critical patent/FI98508C/en
Publication of FI942338A0 publication Critical patent/FI942338A0/en
Priority to JP7530075A priority patent/JPH10500931A/en
Priority to PCT/FI1995/000272 priority patent/WO1995032152A1/en
Priority to EP95918629A priority patent/EP0796224A1/en
Publication of FI942338A publication Critical patent/FI942338A/en
Publication of FI98508B publication Critical patent/FI98508B/en
Application granted granted Critical
Publication of FI98508C publication Critical patent/FI98508C/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B15/00—Peroxides; Peroxyhydrates; Peroxyacids or salts thereof; Superoxides; Ozonides
    • C01B15/01—Hydrogen peroxide
    • C01B15/022—Preparation from organic compounds
    • C01B15/023—Preparation from organic compounds by the alkyl-anthraquinone process
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/48—Halides, with or without other cations besides aluminium
    • C01F7/56—Chlorides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/68—Aluminium compounds containing sulfur
    • C01F7/74—Sulfates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
FI942338A 1994-05-20 1994-05-20 Method for purification of impure alumina by extraction FI98508C (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FI942338A FI98508C (en) 1994-05-20 1994-05-20 Method for purification of impure alumina by extraction
JP7530075A JPH10500931A (en) 1994-05-20 1995-05-19 Purification method of impure aluminum oxide by extraction
PCT/FI1995/000272 WO1995032152A1 (en) 1994-05-20 1995-05-19 Method for purifying impure aluminium oxide by extraction
EP95918629A EP0796224A1 (en) 1994-05-20 1995-05-19 Method for purifying impure aluminium oxide by extraction

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI942338A FI98508C (en) 1994-05-20 1994-05-20 Method for purification of impure alumina by extraction
FI942338 1994-05-20

Publications (4)

Publication Number Publication Date
FI942338A0 FI942338A0 (en) 1994-05-20
FI942338A true FI942338A (en) 1995-11-21
FI98508B FI98508B (en) 1997-03-27
FI98508C FI98508C (en) 1997-07-10

Family

ID=8540737

Family Applications (1)

Application Number Title Priority Date Filing Date
FI942338A FI98508C (en) 1994-05-20 1994-05-20 Method for purification of impure alumina by extraction

Country Status (4)

Country Link
EP (1) EP0796224A1 (en)
JP (1) JPH10500931A (en)
FI (1) FI98508C (en)
WO (1) WO1995032152A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI103401B1 (en) * 1996-04-12 1999-06-30 Kemira Chemicals Oy A method for treating impure alumina
CN105836865B (en) * 2016-06-04 2018-05-15 江阴市长江化工有限公司 A kind of preparation process of aluminium polychloride

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI80869C (en) * 1988-05-27 1990-08-10 Nokia Oy Ab UTFAELLNINGS- COH LIMNINGSAEMNE SAMT FOERFARANDE FOER DESS FRAMSTAELLNING.
DE4027159A1 (en) * 1990-08-28 1992-03-05 Niermann Hermann Dr Alumina recovery esp. from hydrogen peroxide mfr. by autoxidation - by heating in aq. liq., sepg. solid impurities, filtering, drying and calcining

Also Published As

Publication number Publication date
FI942338A0 (en) 1994-05-20
EP0796224A1 (en) 1997-09-24
FI98508B (en) 1997-03-27
WO1995032152A1 (en) 1995-11-30
JPH10500931A (en) 1998-01-27
FI98508C (en) 1997-07-10

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