FR2373489A1 - Procede pour intensifier le traitement et les processus de sedimentation intervenant dans la fabrication de l'alumine selon la methode bayer - Google Patents

Procede pour intensifier le traitement et les processus de sedimentation intervenant dans la fabrication de l'alumine selon la methode bayer

Info

Publication number
FR2373489A1
FR2373489A1 FR7727576A FR7727576A FR2373489A1 FR 2373489 A1 FR2373489 A1 FR 2373489A1 FR 7727576 A FR7727576 A FR 7727576A FR 7727576 A FR7727576 A FR 7727576A FR 2373489 A1 FR2373489 A1 FR 2373489A1
Authority
FR
France
Prior art keywords
treatment
intensifying
manufacturing
bayer method
hematite
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
FR7727576A
Other languages
English (en)
Other versions
FR2373489B1 (fr
Inventor
Jozsef Boros
Zsolt Csillag
Tibor Ferenczi
Tibor Kalman
Laszlo Lengyel
Jozsef Matyasi
Ferenc Orban
Kaeroly Solymar
Bela Toth
Lajos Toth
Itsvan Voros
Kalman Wentzely
Janos Zambo
Jozsef Zoldi
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.)
MAGYAR ALUMINIUM
Original Assignee
MAGYAR 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 MAGYAR ALUMINIUM filed Critical MAGYAR ALUMINIUM
Publication of FR2373489A1 publication Critical patent/FR2373489A1/fr
Application granted granted Critical
Publication of FR2373489B1 publication Critical patent/FR2373489B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/20—Silicates
    • C01B33/26—Aluminium-containing silicates, i.e. silico-aluminates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/02—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the alkali- or alkaline earth metals or beryllium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/20—Silicates
    • 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
    • C01F7/06—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom by treating aluminous minerals or waste-like raw materials with alkali hydroxide, e.g. leaching of bauxite according to the Bayer process
    • C01F7/062—Digestion
    • C01F7/0633—Digestion characterised by the use of additives
    • 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
    • C01F7/38—Preparation of aluminium oxide by thermal reduction of aluminous minerals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Nutrition Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Catalysts (AREA)
  • Compounds Of Iron (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)

Abstract

L'invention a pour objet un procédé pour perfectionner la méthode Bayer de traitement des bauxites renfermant du diaspore et/ou de la goethite et/ou de l'hématite finement dispersée, dans lequel ledit traitement est accéléré et dans lequel on transforme le cas échéant, la goethite en hématite et recristallise l'hematite finement dispersée, tout en augmentant le rendement en alumine en traitant la bauxite à une température de 180 à 300 degrés C avec une liqueur d'aluminate d'une concentration en NA2 O de 30 à 300 g/litre. Elle est caractérisée en ce que ledit traitement de la bauxite est effectué en présence d'un catalyseur du type grenat hydraté de formule générale :
FR7727576A 1976-12-07 1977-09-13 Procede pour intensifier le traitement et les processus de sedimentation intervenant dans la fabrication de l'alumine selon la methode bayer Granted FR2373489A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU76AU368A HU173698B (hu) 1976-12-07 1976-12-07 Sposob uskorenija zatvorenija - metodom bajera - boksitov, soderzhahhikh permskuju pyl' i/ili gjotit i/ili melkodisperznyj gematit

Publications (2)

Publication Number Publication Date
FR2373489A1 true FR2373489A1 (fr) 1978-07-07
FR2373489B1 FR2373489B1 (fr) 1983-05-13

Family

ID=10993249

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7727576A Granted FR2373489A1 (fr) 1976-12-07 1977-09-13 Procede pour intensifier le traitement et les processus de sedimentation intervenant dans la fabrication de l'alumine selon la methode bayer

Country Status (13)

Country Link
US (1) US4226838A (fr)
JP (1) JPS5371700A (fr)
AU (1) AU510542B2 (fr)
CA (1) CA1114173A (fr)
DE (1) DE2754289C2 (fr)
FR (1) FR2373489A1 (fr)
GB (1) GB1597006A (fr)
GR (1) GR66060B (fr)
HU (1) HU173698B (fr)
IN (1) IN144971B (fr)
RO (1) RO76285A (fr)
SU (1) SU691073A3 (fr)
YU (1) YU39555B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2344156C2 (ru) 2007-02-28 2009-01-20 Шлюмбергер Текнолоджи Б.В. Проппант и способ повышения производительности скважины
DE102013001520B4 (de) * 2013-01-22 2015-11-12 Fluorchemie Gmbh Frankfurt Neuartiges anorganisches, halogenfreies Flammschutzmittel auf Basis von chemisch modifiziertem rekarbonisiertem Rotschlamm, dessen Herstellung und Verwendung sowie brandgeschütztes Stoffsystem
CN109092553B (zh) * 2018-08-01 2020-03-27 李清湘 一种获得低硫一水硬铝石精矿的选矿方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB404028A (en) * 1932-07-08 1934-01-08 Erik Ludvig Rinman Improvements in or relating to a method of producing sodium aluminate solutions
GB697283A (en) * 1948-08-06 1953-09-16 Saint Gobain Improvements in processes for the manufacture of alumina
FR2235879A1 (fr) * 1973-07-07 1975-01-31 Magyar Aluminium
FR2236010A1 (fr) * 1973-07-04 1975-01-31 Love Ind Pty Ltd N B
US3966874A (en) * 1975-05-14 1976-06-29 Reynolds Metals Company Extraction of alumina from bauxite ores
FR2295916A1 (fr) * 1974-12-24 1976-07-23 Femipari Kutato Intezet Procede perfectionne du procede bayer de traitement de la bauxite contenant de la goethite

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3737514A (en) * 1970-10-05 1973-06-05 Kaiser Aluminium Chem Corp Extraction of alumina from ores
US4026989A (en) * 1973-07-16 1977-05-31 Aluminiumipari Tervezo Vallalat Process for the digestion of goethite-containing bauxites

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB404028A (en) * 1932-07-08 1934-01-08 Erik Ludvig Rinman Improvements in or relating to a method of producing sodium aluminate solutions
GB697283A (en) * 1948-08-06 1953-09-16 Saint Gobain Improvements in processes for the manufacture of alumina
FR2236010A1 (fr) * 1973-07-04 1975-01-31 Love Ind Pty Ltd N B
FR2235879A1 (fr) * 1973-07-07 1975-01-31 Magyar Aluminium
FR2295916A1 (fr) * 1974-12-24 1976-07-23 Femipari Kutato Intezet Procede perfectionne du procede bayer de traitement de la bauxite contenant de la goethite
US3966874A (en) * 1975-05-14 1976-06-29 Reynolds Metals Company Extraction of alumina from bauxite ores

Also Published As

Publication number Publication date
SU691073A3 (ru) 1979-10-05
GR66060B (fr) 1981-01-14
JPS5371700A (en) 1978-06-26
CA1114173A (fr) 1981-12-15
GB1597006A (en) 1981-09-03
YU39555B (en) 1984-12-31
RO76285A (fr) 1982-04-12
AU2838677A (en) 1979-03-08
HU173698B (hu) 1979-07-28
FR2373489B1 (fr) 1983-05-13
DE2754289A1 (de) 1978-06-08
US4226838A (en) 1980-10-07
AU510542B2 (en) 1980-07-03
DE2754289C2 (de) 1986-02-27
IN144971B (fr) 1978-08-05
YU216077A (en) 1982-06-30
JPS5613651B2 (fr) 1981-03-30

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