FR2446799A1 - Procede de precipitation d'hydroxyde d'aluminium en phase dense, a partir d'une liqueur mere obtenue selon le procede bayer - Google Patents

Procede de precipitation d'hydroxyde d'aluminium en phase dense, a partir d'une liqueur mere obtenue selon le procede bayer

Info

Publication number
FR2446799A1
FR2446799A1 FR8001127A FR8001127A FR2446799A1 FR 2446799 A1 FR2446799 A1 FR 2446799A1 FR 8001127 A FR8001127 A FR 8001127A FR 8001127 A FR8001127 A FR 8001127A FR 2446799 A1 FR2446799 A1 FR 2446799A1
Authority
FR
France
Prior art keywords
precipitation
mother liquor
aluminum hydroxide
chamber
bayer process
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.)
Granted
Application number
FR8001127A
Other languages
English (en)
French (fr)
Other versions
FR2446799B1 (enExample
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.)
Alcoa Corp
Original Assignee
Aluminum Company of America
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 Aluminum Company of America filed Critical Aluminum Company of America
Publication of FR2446799A1 publication Critical patent/FR2446799A1/fr
Application granted granted Critical
Publication of FR2446799B1 publication Critical patent/FR2446799B1/fr
Granted legal-status Critical Current

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
    • C01F7/02—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
    • C01P2004/51—Particles with a specific particle size distribution
    • 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/21—Attrition-index or crushing strength of granulates

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)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
FR8001127A 1979-01-18 1980-01-18 Procede de precipitation d'hydroxyde d'aluminium en phase dense, a partir d'une liqueur mere obtenue selon le procede bayer Granted FR2446799A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/004,326 US4530699A (en) 1979-01-18 1979-01-18 Dense phase precipitation

Publications (2)

Publication Number Publication Date
FR2446799A1 true FR2446799A1 (fr) 1980-08-14
FR2446799B1 FR2446799B1 (enExample) 1983-03-25

Family

ID=21710217

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8001127A Granted FR2446799A1 (fr) 1979-01-18 1980-01-18 Procede de precipitation d'hydroxyde d'aluminium en phase dense, a partir d'une liqueur mere obtenue selon le procede bayer

Country Status (14)

Country Link
US (1) US4530699A (enExample)
JP (1) JPS5829249B2 (enExample)
AU (1) AU529988B2 (enExample)
BR (1) BR8000338A (enExample)
CA (1) CA1117274A (enExample)
DE (1) DE3001644C2 (enExample)
FR (1) FR2446799A1 (enExample)
GR (1) GR73500B (enExample)
HU (1) HU184225B (enExample)
IN (1) IN153550B (enExample)
IT (1) IT1143053B (enExample)
NL (1) NL8000306A (enExample)
NO (1) NO800009L (enExample)
YU (1) YU10580A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0121043A3 (en) * 1983-03-07 1987-08-19 Vereinigte Aluminium-Werke Aktiengesellschaft Process for producing fine dispersions of metal oxides in hydrated alumina

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2579194B1 (fr) * 1985-03-20 1990-01-05 Pechiney Aluminium Procede et dispositif de decomposition sans agitation de liqueurs d'aluminate de sodium pour la production d'alumine
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
DE4231874A1 (de) * 1992-09-23 1994-03-24 Martinswerk Gmbh Verfahren zur Herstellung eines Aluminiumhydroxids Al(OH)¶3¶ mit abgerundeter Kornoberfläche
DE69511513T2 (de) * 1994-11-30 1999-11-25 Billiton Intellectual Pty. B.V., Leidschendam Verfahren zur Ausfällung von Aluminiumhydroxid aus einer übersättigten Natriumaluminatlösung
CN101955213B (zh) * 2010-09-26 2013-01-02 胡大乔 铝酸钠溶液平推流晶种分解槽
CN101955212B (zh) * 2010-09-26 2013-03-27 苏向东 铝酸钠溶液平推流分解反应装置
JP5917363B2 (ja) * 2012-10-29 2016-05-11 株式会社東芝 水処理装置
JP6163457B2 (ja) * 2014-06-12 2017-07-12 日軽産業株式会社 アルミン酸ソーダ含有廃液の廃液処理槽及び廃液処理方法
JP6922618B2 (ja) * 2017-09-28 2021-08-18 住友金属鉱山株式会社 液供給管、および化学反応装置
CN109610005B (zh) * 2018-12-11 2020-11-17 武汉光谷信息光电子创新中心有限公司 一种质子交换炉及其使用方法
CN112546946B (zh) * 2020-12-08 2021-08-13 山东瑞尚机械有限公司 一种氧化铝种分分解槽

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2653858A (en) * 1951-09-22 1953-09-29 Aluminum Co Of America Precipitation of aluminum hydroxide
FR1068369A (fr) * 1952-12-18 1954-06-24 Electro Chimie Soc D Procédé et appareil pour l'obtention de cristaux en grains micro-sphériques
FR1314687A (fr) * 1961-02-24 1963-01-11 Ind De L Aluminium Sa Procédé de fabrication d'alumine hydratée à gros grains
GB1045216A (en) * 1963-05-06 1966-10-12 Aluminium Lab Ltd Improvements in or relating to the precipitation of alumina

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1943786A (en) * 1930-10-10 1934-01-16 Electrie Smelting & Alnminum C Process of separating alumina from alkali metal aluminate solutions
US2219776A (en) * 1938-03-03 1940-10-29 Henderson William Noland Crystallization process
GB653741A (en) * 1947-09-25 1951-05-23 Viggo Harms Improvements in and relating to a method and apparatus for precipitation of solids from solutions and the like
FR1187352A (fr) * 1959-09-24 1959-09-10 Electrochimie Soc Procédé pour l'agglomération de cristaux
FR1311147A (fr) * 1961-05-06 1962-12-07 Electro Chimie Soc D Procédé de fabrication de l'alumine
NO135059C (enExample) * 1975-04-16 1977-02-02 Norsk Hydro As

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2653858A (en) * 1951-09-22 1953-09-29 Aluminum Co Of America Precipitation of aluminum hydroxide
FR1068369A (fr) * 1952-12-18 1954-06-24 Electro Chimie Soc D Procédé et appareil pour l'obtention de cristaux en grains micro-sphériques
FR1314687A (fr) * 1961-02-24 1963-01-11 Ind De L Aluminium Sa Procédé de fabrication d'alumine hydratée à gros grains
GB1045216A (en) * 1963-05-06 1966-10-12 Aluminium Lab Ltd Improvements in or relating to the precipitation of alumina

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0121043A3 (en) * 1983-03-07 1987-08-19 Vereinigte Aluminium-Werke Aktiengesellschaft Process for producing fine dispersions of metal oxides in hydrated alumina

Also Published As

Publication number Publication date
AU5350179A (en) 1980-07-24
US4530699A (en) 1985-07-23
DE3001644A1 (de) 1980-08-21
IT1143053B (it) 1986-10-22
CA1117274A (en) 1982-02-02
IN153550B (enExample) 1984-07-28
NL8000306A (nl) 1980-07-22
DE3001644C2 (de) 1982-05-19
HU184225B (en) 1984-07-30
JPS5829249B2 (ja) 1983-06-21
JPS55136121A (en) 1980-10-23
GR73500B (enExample) 1984-03-02
FR2446799B1 (enExample) 1983-03-25
NO800009L (no) 1980-07-21
IT8047611A0 (it) 1980-01-16
AU529988B2 (en) 1983-06-30
BR8000338A (pt) 1980-10-21
YU10580A (en) 1983-04-30

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