FR2112229A1 - Alumina production - from hydrate using multistage preheating and cooling - Google Patents

Alumina production - from hydrate using multistage preheating and cooling

Info

Publication number
FR2112229A1
FR2112229A1 FR7135236A FR7135236A FR2112229A1 FR 2112229 A1 FR2112229 A1 FR 2112229A1 FR 7135236 A FR7135236 A FR 7135236A FR 7135236 A FR7135236 A FR 7135236A FR 2112229 A1 FR2112229 A1 FR 2112229A1
Authority
FR
France
Prior art keywords
furnace
unit
hydrate
cooling
preheater
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
FR7135236A
Other languages
English (en)
French (fr)
Other versions
FR2112229B1 (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.)
Kloeckner Humboldt Deutz AG
Original Assignee
Kloeckner Humboldt Deutz AG
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 Kloeckner Humboldt Deutz AG filed Critical Kloeckner Humboldt Deutz AG
Publication of FR2112229A1 publication Critical patent/FR2112229A1/fr
Application granted granted Critical
Publication of FR2112229B1 publication Critical patent/FR2112229B1/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
    • C01F7/44—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water
    • C01F7/441—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water by calcination
    • 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
    • C01F7/44—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water
    • C01F7/441—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water by calcination
    • C01F7/445—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water by calcination making use of a fluidised bed

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)
  • Furnace Details (AREA)
FR7135236A 1970-10-01 1971-09-30 Alumina production - from hydrate using multistage preheating and cooling Granted FR2112229A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702048207 DE2048207A1 (de) 1970-10-01 1970-10-01 Einrichtung zur Herstellung von Tonerde aus Tonerdehydrat

Publications (2)

Publication Number Publication Date
FR2112229A1 true FR2112229A1 (en) 1972-06-16
FR2112229B1 FR2112229B1 (enExample) 1974-05-10

Family

ID=5783879

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7135236A Granted FR2112229A1 (en) 1970-10-01 1971-09-30 Alumina production - from hydrate using multistage preheating and cooling

Country Status (4)

Country Link
AU (1) AU3378871A (enExample)
DE (1) DE2048207A1 (enExample)
DK (1) DK125814B (enExample)
FR (1) FR2112229A1 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2549816A1 (fr) * 1983-07-28 1985-02-01 Fives Cail Babcock Installation de calcination pour la production de plusieurs qualites d'alumine et procede d'exploitation de cette installation
WO1991008173A1 (en) * 1989-11-27 1991-06-13 Alcan International Limited Calcination process for the production of alumina from alumina trihydrate and apparatus therefor

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
HU175544B (hu) * 1975-07-23 1980-08-28 Tatabanyai Szenbanyak Sposob poluchenija samopyl'nogo klinkera dlja sverkhchistogo glinozema
DE19944778B4 (de) * 1999-09-17 2004-07-08 Outokumpu Oyj Verfahren zum thermischen Behandeln körniger Feststoffe
DE102007041586B4 (de) * 2007-09-01 2014-03-27 Outotec Oyj Verfahren und Anlage zur Wärmebehandlung von körnigen Feststoffen
CN112174175A (zh) * 2020-09-22 2021-01-05 河南华慧有色工程设计有限公司 一种节能环保型氢氧化铝悬浮焙烧设备

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2549816A1 (fr) * 1983-07-28 1985-02-01 Fives Cail Babcock Installation de calcination pour la production de plusieurs qualites d'alumine et procede d'exploitation de cette installation
WO1991008173A1 (en) * 1989-11-27 1991-06-13 Alcan International Limited Calcination process for the production of alumina from alumina trihydrate and apparatus therefor
US5286472A (en) * 1989-11-27 1994-02-15 Alcan International Limited High efficiency process for producing high purity alumina

Also Published As

Publication number Publication date
DK125814B (da) 1973-05-07
DE2048207A1 (de) 1972-04-06
AU3378871A (en) 1973-03-29
FR2112229B1 (enExample) 1974-05-10

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Legal Events

Date Code Title Description
ST Notification of lapse