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UA71923C2 - A method for the particle size grading control in decomposition process according to bayer circuit comprising the stage of sintering - Google Patents

A method for the particle size grading control in decomposition process according to bayer circuit comprising the stage of sintering Download PDF

Info

Publication number
UA71923C2
UA71923C2 UA2001032115A UA2001032115A UA71923C2 UA 71923 C2 UA71923 C2 UA 71923C2 UA 2001032115 A UA2001032115 A UA 2001032115A UA 2001032115 A UA2001032115 A UA 2001032115A UA 71923 C2 UA71923 C2 UA 71923C2
Authority
UA
Ukraine
Prior art keywords
particles
size
granulometric
hydrate
stage
Prior art date
Application number
UA2001032115A
Other languages
English (en)
Ukrainian (uk)
Original Assignee
Pechiney Aluminium
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 Pechiney Aluminium filed Critical Pechiney Aluminium
Publication of UA71923C2 publication Critical patent/UA71923C2/uk

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00Compounds of aluminium
    • C01F7/02Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/04Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom
    • C01F7/14Aluminium oxide or hydroxide from alkali metal aluminates
    • C01F7/144Aluminium oxide or hydroxide from alkali metal aluminates from aqueous aluminate solutions by precipitation due to cooling, e.g. as part of the Bayer process
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/50Agglomerated particles
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/60Particles characterised by their size
    • C01P2004/61Micrometer sized, i.e. from 1-100 micrometer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Disintegrating Or Milling (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Catalysts (AREA)
  • Cereal-Derived Products (AREA)
  • Treatment Of Sludge (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Lubricants (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Basic Packing Technique (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
UA2001032115A 1998-09-02 1999-12-08 A method for the particle size grading control in decomposition process according to bayer circuit comprising the stage of sintering UA71923C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9811111A FR2782710B1 (fr) 1998-09-02 1998-09-02 Procede de controle granulometrique dans une chaine de decomposition du circuit bayer, incluant une phase d'agglomeration
PCT/FR1999/001975 WO2000014015A1 (fr) 1998-09-02 1999-08-12 Procede de controle granulometrique dans une chaine de decomposition du circuit bayer, incluant une phase d'agglomeration

Publications (1)

Publication Number Publication Date
UA71923C2 true UA71923C2 (en) 2005-01-17

Family

ID=9530155

Family Applications (1)

Application Number Title Priority Date Filing Date
UA2001032115A UA71923C2 (en) 1998-09-02 1999-12-08 A method for the particle size grading control in decomposition process according to bayer circuit comprising the stage of sintering

Country Status (14)

Country Link
US (1) US6878357B1 (zh)
EP (1) EP1119521B1 (zh)
CN (1) CN1156400C (zh)
AT (1) ATE218512T1 (zh)
AU (1) AU755100B2 (zh)
BR (1) BR9913372A (zh)
CA (1) CA2342712C (zh)
DE (1) DE69901724T2 (zh)
ES (1) ES2177307T3 (zh)
FR (1) FR2782710B1 (zh)
HU (1) HU224712B1 (zh)
OA (1) OA11646A (zh)
UA (1) UA71923C2 (zh)
WO (1) WO2000014015A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104105589A (zh) 2012-01-25 2014-10-15 赫克赛尔控股有限责任公司 层压件的改进或关于层压件的改进

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4150952A (en) * 1977-07-21 1979-04-24 Ormet Corporation Method of controlling the amount of seed material in the precipitation stage of the Bayer process
CH644332A5 (de) * 1978-11-07 1984-07-31 Alusuisse Verfahren zur herstellung von grobem aluminiumhydroxid.
FR2551429B2 (fr) 1983-09-05 1985-10-18 Pechiney Aluminium Procede de production d'un trihydroxyde d'aluminium de granulometrie grosse et reguliere
US4511542A (en) * 1984-05-24 1985-04-16 Kaiser Aluminum & Chemical Corporation Bayer process production of alumina hydrate
FR2591581B1 (fr) 1985-12-17 1990-05-25 Pechiney Aluminium Procede d'obtention avec une forte productivite de trihydroxyde d'aluminium, de haute purete et de diametre median inferieur a 4 micrometres, regle a la demande.
FR2598701B1 (fr) * 1986-05-15 1988-08-05 Pechiney Aluminium Procede et dispositif de decomposition de liqueur d'aluminate de sodium pour la production d'alumine
US4822593A (en) * 1986-12-11 1989-04-18 Aluminum Company Of America Control of form of crystal precipitation of aluminum hydroxide using cosolvents and varying caustic concentration
US5163973A (en) * 1990-02-14 1992-11-17 Alcan Internatinal Limited Process for producing low soda alumina
US5158577A (en) * 1990-02-14 1992-10-27 Alcan International Limited Process for precipitating alumina from Bayer process liquor
FR2709302B1 (fr) * 1993-08-26 1995-09-22 Pechiney Aluminium Procédé de fabrication de trihydrate d'alumine à teneur en sodium et granulométrie réglées.
DE69511513T2 (de) * 1994-11-30 1999-11-25 Billiton Intellectual Pty. B.V., Leidschendam Verfahren zur Ausfällung von Aluminiumhydroxid aus einer übersättigten Natriumaluminatlösung
US6217622B1 (en) * 1998-10-22 2001-04-17 Alcan International Limited Method and apparatus for precipitating and classifying solids in high concentrations

Also Published As

Publication number Publication date
CN1316978A (zh) 2001-10-10
WO2000014015A1 (fr) 2000-03-16
HUP0103972A2 (hu) 2002-02-28
ES2177307T3 (es) 2002-12-01
CA2342712A1 (fr) 2000-03-16
ATE218512T1 (de) 2002-06-15
AU5171899A (en) 2000-03-27
CN1156400C (zh) 2004-07-07
FR2782710B1 (fr) 2000-10-06
US6878357B1 (en) 2005-04-12
HU224712B1 (en) 2006-01-30
OA11646A (fr) 2004-11-22
EP1119521A1 (fr) 2001-08-01
AU755100B2 (en) 2002-12-05
DE69901724D1 (de) 2002-07-11
DE69901724T2 (de) 2003-01-30
HUP0103972A3 (en) 2003-05-28
EP1119521B1 (fr) 2002-06-05
CA2342712C (fr) 2009-01-27
FR2782710A1 (fr) 2000-03-03
BR9913372A (pt) 2001-06-05

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