MY8000127A - Improvements in the bayer process for reducing hydrated alumina - Google Patents

Improvements in the bayer process for reducing hydrated alumina

Info

Publication number
MY8000127A
MY8000127A MY127/80A MY8000127A MY8000127A MY 8000127 A MY8000127 A MY 8000127A MY 127/80 A MY127/80 A MY 127/80A MY 8000127 A MY8000127 A MY 8000127A MY 8000127 A MY8000127 A MY 8000127A
Authority
MY
Malaysia
Prior art keywords
hydrated alumina
bayer process
reducing
reducing hydrated
bayer
Prior art date
Application number
MY127/80A
Other languages
English (en)
Inventor
Henri Mercier
Robert Magrone
Jean Deabriges
Original Assignee
Aluminium Pechney
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 Aluminium Pechney filed Critical Aluminium Pechney
Publication of MY8000127A publication Critical patent/MY8000127A/xx

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
    • C01F7/46—Purification of aluminium oxide, aluminium hydroxide or aluminates
    • C01F7/47—Purification of aluminium oxide, aluminium hydroxide or aluminates of aluminates, e.g. removal of compounds of Si, Fe, Ga or of organic compounds from Bayer process liquors
    • C01F7/473—Removal of organic compounds, e.g. sodium oxalate
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
MY127/80A 1975-10-21 1980-12-30 Improvements in the bayer process for reducing hydrated alumina MY8000127A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7532169A FR2328660A1 (fr) 1975-10-21 1975-10-21 Perfectionnement a l'epuration de solutions en circulation dans le cycle bayer

Publications (1)

Publication Number Publication Date
MY8000127A true MY8000127A (en) 1980-12-31

Family

ID=9161449

Family Applications (1)

Application Number Title Priority Date Filing Date
MY127/80A MY8000127A (en) 1975-10-21 1980-12-30 Improvements in the bayer process for reducing hydrated alumina

Country Status (23)

Country Link
US (1) US4101629A (xx)
JP (1) JPS5292900A (xx)
AR (1) AR220672A1 (xx)
AT (1) AT356061B (xx)
AU (1) AU510488B2 (xx)
BR (1) BR7606979A (xx)
CA (1) CA1087860A (xx)
CH (1) CH618665A5 (xx)
DE (1) DE2647259C3 (xx)
DK (1) DK472676A (xx)
ES (1) ES452509A1 (xx)
FR (1) FR2328660A1 (xx)
GB (1) GB1529405A (xx)
IE (1) IE44748B1 (xx)
IN (1) IN146531B (xx)
IT (1) IT1070944B (xx)
MY (1) MY8000127A (xx)
NL (1) NL7611689A (xx)
NO (1) NO143492C (xx)
OA (1) OA05454A (xx)
PH (1) PH14103A (xx)
SE (1) SE7611608L (xx)
ZA (1) ZA766247B (xx)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0001537B1 (fr) * 1977-09-30 1983-02-09 Aluminium Pechiney Procédé de traitement de solutions contenant des carbonate, sulfate, éventuellement hydroxyde de sodium ou potassium, ainsi que l'un au moins des métaux vanadium, uranium, molybdène
JPS54110199A (en) * 1978-02-17 1979-08-29 Sumitomo Aluminium Smelting Co Method of removing organics from circulating aluminic acid alkali solution
US4275043A (en) * 1979-01-31 1981-06-23 Alcan Research And Development Limited Removal of oxalate from bayer process liquor
US4275042A (en) * 1980-01-22 1981-06-23 Alcan Research And Development Limited Removal of oxalate from Bayer process liquor
US4430310A (en) 1983-02-08 1984-02-07 Kaiser Aluminum & Chemical Corporation Purification of impure Bayer process liquors
US4443416A (en) * 1983-04-18 1984-04-17 Kaiser Aluminum & Chemical Corporation Purification of bayer process liquors
FR2566382B1 (fr) * 1984-06-25 1986-10-24 Pechiney Aluminium Purification des solutions d'aluminate de sodium du cycle bayer par elimination d'oxalate de sodium
FR2580618B2 (fr) * 1985-04-18 1990-10-12 Pechiney Aluminium Amelioration du procede de purification des solutions d'aluminate de sodium du cycle bayer par elimination d'oxalate de sodium
CA1285373C (fr) * 1984-06-25 1991-07-02 Jean Fabre Purification des solutions d'aluminate de sodium du cycle bayer par elimination d'oxalate de sodium
US4994253A (en) * 1985-04-04 1991-02-19 Vereinigte Aluminium-Werke Ag Process for the production of large boehmite particles
DE3512404A1 (de) * 1985-04-04 1986-10-09 Vereinigte Aluminium-Werke AG, 1000 Berlin und 5300 Bonn Verfahren zur verminderung der organischen bestandteile in aluminatlaugen
US4678477A (en) * 1986-01-06 1987-07-07 Aluminum Company Of America Process for lowering level of contaminants in Bayer liquor by membrane filtration
CA2126885A1 (en) * 1993-06-30 1994-12-31 Gillian Mary Moody Production of alumina
US5427750A (en) * 1993-10-29 1995-06-27 Nalco Chemical Company Polymers for removing humates from bayer process liquors
AUPP536598A0 (en) * 1998-08-20 1998-09-10 Worsley Alumina Pty Ltd Organic impurity removal process for bayer liquors
FR2834979B1 (fr) * 2002-01-21 2004-02-20 Pechiney Aluminium Solubilisation des carbonates par recyclage des condensats lors de l'attaque sous pression des bauxites a monohydrates
US7067106B2 (en) * 2003-06-30 2006-06-27 Nalco Company Aluminum hydroxide, made via the bayer process, with low organic carbon
CN113753927A (zh) * 2020-06-04 2021-12-07 沈阳铝镁设计研究院有限公司 一种串联法两段分解生产氧化铝系统中去除草酸钠的方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE71407C (de) * P. L. HULIN in Pontet d'Avignon, Dep. Vaucluse, Frankreich Verfahren zur Reinigung von Alkalialuminat-Laugen
DE43977C (de) * 1892-01-31 1888-08-03 Dr. K. J. BAYER in Dorf Tentelewa bei St. Petersburg Verfahren zur darstellung von thonerdehydrat und alkalialuminat
GB400984A (en) * 1932-05-04 1933-11-06 Erik Ludvig Rinman Improvements in or relating to a method of producing sodium aluminate solutions
GB404028A (en) * 1932-07-08 1934-01-08 Erik Ludvig Rinman Improvements in or relating to a method of producing sodium aluminate solutions
CH165503A (de) * 1932-07-20 1933-11-30 Ludvig Rinman Erik Verfahren zur Herstellung von Natriumaluminat-Lösungen.
GB745601A (en) * 1953-11-19 1956-02-29 Kaiser Aluminium Chem Corp Improvements in or relating to process for treating caustic aluminate liquor
AT232481B (de) * 1959-06-24 1964-03-25 Vaw Ver Aluminium Werke Ag Verfahren zum Aufschluß diasporhaltiger Bauxite
GB1039985A (en) * 1963-02-20 1966-08-24 Kaiser Aluminium Chem Corp Improvements in or relating to bayer process

Also Published As

Publication number Publication date
FR2328660A1 (fr) 1977-05-20
OA05454A (fr) 1981-03-31
IN146531B (xx) 1979-06-30
ATA780276A (de) 1979-09-15
NO143492B (no) 1980-11-17
CA1087860A (fr) 1980-10-21
NO763552L (xx) 1977-04-22
IT1070944B (it) 1985-04-02
PH14103A (en) 1981-02-24
SE7611608L (sv) 1977-04-22
IE44748L (en) 1977-04-21
FR2328660B1 (xx) 1979-05-04
JPS5523206B2 (xx) 1980-06-21
AU1879976A (en) 1978-04-27
DK472676A (da) 1977-04-22
CH618665A5 (xx) 1980-08-15
ES452509A1 (es) 1978-01-16
US4101629A (en) 1978-07-18
JPS5292900A (en) 1977-08-04
AT356061B (de) 1980-04-10
AU510488B2 (en) 1980-06-26
GB1529405A (en) 1978-10-18
IE44748B1 (en) 1982-03-24
NL7611689A (nl) 1977-04-25
DE2647259C3 (de) 1985-10-10
NO143492C (no) 1981-02-25
DE2647259B2 (de) 1981-07-16
DE2647259A1 (de) 1977-04-28
ZA766247B (en) 1977-11-30
AR220672A1 (es) 1980-11-28
BR7606979A (pt) 1977-09-06

Similar Documents

Publication Publication Date Title
MY8000127A (en) Improvements in the bayer process for reducing hydrated alumina
AU518858B2 (en) Silane treated hydrated alumina
JPS51132690A (en) Controller
JPS5259094A (en) Process for preparing alumina
GB1554901A (en) Process for the manufacutre of -20 - ketosteroids
EG11907A (en) Integrated urea-ammonia process
ZA754295B (en) Adsorption process
JPS5224195A (en) Process for preparing alumina
GB1517020A (en) Indexable workholder
JPS522149A (en) Controller
JPS51136600A (en) Process for preparing gammaaferric oxide*3*
JPS51116132A (en) Electrolytic grinding process
JPS5259095A (en) Process for preparing gammaaferric oxide*3*
JPS5259096A (en) Process for preparing gammaaferric oxide*3*
GB1537823A (en) Alumina
PT65369A (en) Reduction process
GB1507780A (en) Pneumatic controller
JPS5255086A (en) Grinding articles
ZA763906B (en) Reduction process
HU171682B (hu) Sposob elektrokhimicheskojj redukcii al'fa,beta-nenasyhhennykh ketosteroidov
JPS5252818A (en) Leaching garium in the sodium aluminate solution
JPS5233900A (en) Process for preparing sodium aluminate
JPS5261352A (en) Desilication method
GB1520091A (en) Process for purifying alkylphenols
JPS5265799A (en) Process for preparing betaaalkali aluminate