CN1035169C - 制造可控制钠含量和颗粒尺寸的三水氧化铝的方法 - Google Patents

制造可控制钠含量和颗粒尺寸的三水氧化铝的方法 Download PDF

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Publication number
CN1035169C
CN1035169C CN94109563.0A CN94109563A CN1035169C CN 1035169 C CN1035169 C CN 1035169C CN 94109563 A CN94109563 A CN 94109563A CN 1035169 C CN1035169 C CN 1035169C
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CN
China
Prior art keywords
initiator
alumina trihydrate
solution
suspension
product
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
CN94109563.0A
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English (en)
Chinese (zh)
Other versions
CN1106359A (zh
Inventor
G·保萨特
J·M·拉姆然特
J·辛奎恩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rio Tinto France SAS
Original Assignee
Aluminium Pechiney SA
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.)
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Publication date
Application filed by Aluminium Pechiney SA filed Critical Aluminium Pechiney SA
Publication of CN1106359A publication Critical patent/CN1106359A/zh
Application granted granted Critical
Publication of CN1035169C publication Critical patent/CN1035169C/zh
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/04—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom
    • C01F7/14—Aluminium oxide or hydroxide from alkali metal aluminates
    • C01F7/144—Aluminium oxide or hydroxide from alkali metal aluminates from aqueous aluminate solutions by precipitation due to cooling, e.g. as part of the Bayer process
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer

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  • 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)
CN94109563.0A 1993-08-26 1994-08-19 制造可控制钠含量和颗粒尺寸的三水氧化铝的方法 Expired - Lifetime CN1035169C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9310479 1993-08-26
FR9310479A FR2709302B1 (fr) 1993-08-26 1993-08-26 Procédé de fabrication de trihydrate d'alumine à teneur en sodium et granulométrie réglées.

Publications (2)

Publication Number Publication Date
CN1106359A CN1106359A (zh) 1995-08-09
CN1035169C true CN1035169C (zh) 1997-06-18

Family

ID=9450521

Family Applications (1)

Application Number Title Priority Date Filing Date
CN94109563.0A Expired - Lifetime CN1035169C (zh) 1993-08-26 1994-08-19 制造可控制钠含量和颗粒尺寸的三水氧化铝的方法

Country Status (2)

Country Link
CN (1) CN1035169C (fr)
FR (1) FR2709302B1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2782710B1 (fr) * 1998-09-02 2000-10-06 Pechiney Aluminium Procede de controle granulometrique dans une chaine de decomposition du circuit bayer, incluant une phase d'agglomeration
WO2003078055A1 (fr) 2001-05-10 2003-09-25 Akzo Nobel N.V. Procede continu et appareil de conversion efficiente de particules solides inorganiques
CN1865141B (zh) * 2005-05-18 2010-10-27 贵阳铝镁设计研究院 提高氧化铝生产中溶出液Rp的方法
CN100383046C (zh) * 2005-07-18 2008-04-23 贵阳铝镁设计研究院 提高原矿浆固含的工艺方法
CN100572277C (zh) * 2007-05-31 2009-12-23 中国铝业股份有限公司 一种改进的串联法生产氧化铝的方法
CN118331071B (zh) * 2024-06-06 2024-08-09 鑫巨(深圳)半导体科技有限公司 一种监测并控制反应溶液颗粒浓度的方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4014985A (en) * 1975-12-22 1977-03-29 Aluminum Company Of America Precipitation of aluminum oxide having low sodium oxide content
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
FR2529877A1 (fr) * 1982-07-08 1984-01-13 Pechiney Aluminium Procede de production d'un trihydroxyde d'aluminium de grosse granulometrie
FR2551429B2 (fr) * 1983-09-05 1985-10-18 Pechiney Aluminium Procede de production d'un trihydroxyde d'aluminium de granulometrie grosse et reguliere
BR9305905A (pt) * 1992-02-19 1997-10-21 Comalco Alu Aperfeiçoamentos em plantas de alumina

Also Published As

Publication number Publication date
CN1106359A (zh) 1995-08-09
FR2709302A1 (fr) 1995-03-03
FR2709302B1 (fr) 1995-09-22

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Expiration termination date: 20140819

Granted publication date: 19970618