FI942339A0 - Method for the purification of impure alumina by heat treatment - Google Patents

Method for the purification of impure alumina by heat treatment

Info

Publication number
FI942339A0
FI942339A0 FI942339A FI942339A FI942339A0 FI 942339 A0 FI942339 A0 FI 942339A0 FI 942339 A FI942339 A FI 942339A FI 942339 A FI942339 A FI 942339A FI 942339 A0 FI942339 A0 FI 942339A0
Authority
FI
Finland
Prior art keywords
purification
heat treatment
impure alumina
impure
alumina
Prior art date
Application number
FI942339A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI98509C (en
FI98509B (en
FI942339A (en
Inventor
Simo Jokinen
Eero Aitta
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 FI942339A priority Critical patent/FI98509C/en
Publication of FI942339A0 publication Critical patent/FI942339A0/en
Priority to JP7530076A priority patent/JPH10500389A/en
Priority to PCT/FI1995/000273 priority patent/WO1995032153A1/en
Priority to EP95918630A priority patent/EP0764136A1/en
Publication of FI942339A publication Critical patent/FI942339A/en
Application granted granted Critical
Publication of FI98509B publication Critical patent/FI98509B/en
Publication of FI98509C publication Critical patent/FI98509C/en

Links

Classifications

    • 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
    • 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
    • C01F7/68—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)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
FI942339A 1994-05-20 1994-05-20 Process for the purification of contaminated alumina by heat treatment FI98509C (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FI942339A FI98509C (en) 1994-05-20 1994-05-20 Process for the purification of contaminated alumina by heat treatment
JP7530076A JPH10500389A (en) 1994-05-20 1995-05-19 Purification method of aluminum oxide containing impurities by heat treatment
PCT/FI1995/000273 WO1995032153A1 (en) 1994-05-20 1995-05-19 Method for purifying impure aluminium oxide by thermal treatment
EP95918630A EP0764136A1 (en) 1994-05-20 1995-05-19 Method for purifying impure aluminium oxide by thermal treatment

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI942339 1994-05-20
FI942339A FI98509C (en) 1994-05-20 1994-05-20 Process for the purification of contaminated alumina by heat treatment

Publications (4)

Publication Number Publication Date
FI942339A0 true FI942339A0 (en) 1994-05-20
FI942339A FI942339A (en) 1995-11-21
FI98509B FI98509B (en) 1997-03-27
FI98509C FI98509C (en) 1997-07-10

Family

ID=8540738

Family Applications (1)

Application Number Title Priority Date Filing Date
FI942339A FI98509C (en) 1994-05-20 1994-05-20 Process for the purification of contaminated alumina by heat treatment

Country Status (4)

Country Link
EP (1) EP0764136A1 (en)
JP (1) JPH10500389A (en)
FI (1) FI98509C (en)
WO (1) WO1995032153A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI103401B (en) * 1996-04-12 1999-06-30 Kemira Chemicals Oy A method for treating impure alumina
AT515557B1 (en) * 2014-05-28 2015-10-15 Andritz Ag Maschf Process for the preparation of packaging material
CN115382523B (en) * 2022-08-31 2024-06-21 聊城鲁西双氧水新材料科技有限公司 Treatment process for recycling aluminum oxide balls and hydrogen peroxide working solution by utilizing microwave technology

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2464745A1 (en) * 1979-09-06 1981-03-20 Oxysynthese REGENERATION OF CHEMICAL RECONVERSION CATALYSTS USED IN A CYCLIC HYDROGEN PEROXIDE MANUFACTURING PROCESS
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
FI98509C (en) 1997-07-10
FI98509B (en) 1997-03-27
EP0764136A1 (en) 1997-03-26
WO1995032153A1 (en) 1995-11-30
JPH10500389A (en) 1998-01-13
FI942339A (en) 1995-11-21

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Legal Events

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