YU44574B - Process for limiting lime-stone creation at bauxite processing - Google Patents

Process for limiting lime-stone creation at bauxite processing

Info

Publication number
YU44574B
YU44574B YU877/86A YU87786A YU44574B YU 44574 B YU44574 B YU 44574B YU 877/86 A YU877/86 A YU 877/86A YU 87786 A YU87786 A YU 87786A YU 44574 B YU44574 B YU 44574B
Authority
YU
Yugoslavia
Prior art keywords
lime
stone
creation
limiting
bauxite processing
Prior art date
Application number
YU877/86A
Other languages
English (en)
Other versions
YU87786A (en
Inventor
J Lepetit
Original Assignee
Pechiney 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 Pechiney Aluminium filed Critical Pechiney Aluminium
Publication of YU87786A publication Critical patent/YU87786A/xx
Publication of YU44574B publication Critical patent/YU44574B/xx
Priority to BA960120D priority Critical patent/BA96120B1/bs

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
    • 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
    • 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
    • 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
    • C01F7/0626—Processes making use of tube digestion only
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Nutrition Science (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
YU877/86A 1985-05-29 1986-05-26 Process for limiting lime-stone creation at bauxite processing YU44574B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BA960120D BA96120B1 (bs) 1985-05-29 1996-12-12 Postupak ogranicenja stvaranja kamenca pri obradi boksita

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8508575A FR2582640B1 (fr) 1985-05-29 1985-05-29 Procede de production continue d'alumine a partir de bauxites a monohydrates, selon le procede bayer

Publications (2)

Publication Number Publication Date
YU87786A YU87786A (en) 1988-08-31
YU44574B true YU44574B (en) 1990-10-31

Family

ID=9319948

Family Applications (1)

Application Number Title Priority Date Filing Date
YU877/86A YU44574B (en) 1985-05-29 1986-05-26 Process for limiting lime-stone creation at bauxite processing

Country Status (19)

Country Link
US (1) US4647439A (es)
EP (1) EP0204644B1 (es)
JP (1) JPS61281017A (es)
KR (1) KR900002546B1 (es)
CN (1) CN1004268B (es)
AU (1) AU579933B2 (es)
BR (1) BR8602446A (es)
CA (1) CA1256673A (es)
DE (1) DE3669304D1 (es)
ES (1) ES8704856A1 (es)
FR (1) FR2582640B1 (es)
GB (1) GB2175580B (es)
GR (1) GR861373B (es)
HU (1) HU207970B (es)
IE (1) IE59018B1 (es)
IN (1) IN167249B (es)
MY (1) MY101054A (es)
NZ (1) NZ216296A (es)
YU (1) YU44574B (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5122349A (en) * 1988-10-27 1992-06-16 Aluminiumipari Troszt Process for producing alumina
GB8906500D0 (en) * 1989-03-21 1989-05-04 Shell Int Research Process for the production of aluminium hydroxide from bauxite
JP2803510B2 (ja) * 1993-02-10 1998-09-24 住友電気工業株式会社 光ファイバ用ガラス母材の製造方法および装置
CN1074390C (zh) * 1995-10-11 2001-11-07 郑州轻金属研究院 从含硅矿物的铝土矿中分选铝土矿精矿的方法
AUPO376296A0 (en) * 1996-11-20 1996-12-12 Comalco Aluminium Limited Removal of silica from bauxite
KR20000074574A (ko) * 1999-05-21 2000-12-15 오근호 단당류와 이당류를 이용한 환경 친화성 고농도 유동성 알루미나 현탁액 유동화조제 조성물 제조
EP2676932B1 (de) * 2012-06-20 2015-03-25 Pleason Ventures LTD Verfahren zur komplexen Verarbeitung von Bauxit
CN105271325B (zh) * 2014-06-27 2017-05-24 沈阳铝镁设计研究院有限公司 一种氧化铝厂碱液槽中碱液加热和碱洗的方法
CN105399102A (zh) * 2014-09-10 2016-03-16 贵州万方铝化科技开发有限公司 对含硅矿物气相脱硅并循环利用含卤素物质的方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1202258B (de) * 1960-11-14 1965-10-07 Almasfuezitoei Timfoeldgyar Verfahren zum Aufschliessen tonerdehaltiger Materialien, insbesondere Bauxit, mittels Natronlauge
NL131570C (es) * 1963-07-29
US3413087A (en) * 1964-03-13 1968-11-26 Reynolds Metals Co Method for extracting alumina from its ores
US3497317A (en) * 1964-12-22 1970-02-24 Vaw Ver Aluminium Werke Ag Method for continuous extraction of bauxite in a tubular reactor
DE1592194B2 (de) * 1967-05-06 1970-09-24 Vereinigte Aluminium-Werke AG, 53OO Bonn Verfahren und Vorrichtung zur kontinuierlichen Extraktion von Bauxit mit Natriumaluminatlauge durch Rohraufschluß
US4145398A (en) * 1974-02-19 1979-03-20 Vereinigte Aluminium-Werke A.G. Bauxite digestion by caustic alkali with improved heat transfer in tubular reactors
JPS5422198B2 (es) * 1974-09-28 1979-08-04
JPS5154099A (en) * 1974-11-07 1976-05-12 Sumitomo Chemical Co Aruminaganjukosekikaraaruminanochushutsuho
JPS584483B2 (ja) * 1978-10-04 1983-01-26 日本電気株式会社 高周波高出力トランジスタ増幅器
US4218618A (en) * 1979-02-21 1980-08-19 The University Of Rochester Apparatus for switching high voltage pulses with picosecond accuracy
JPS57145029A (en) * 1981-02-27 1982-09-07 Sumitomo Alum Smelt Co Ltd Extracting method of alumina from mixed type bauxite
AU551019B2 (en) * 1981-05-15 1986-04-17 James W. McDaniel Reducing iron content of bayer process solutions
AU558556B2 (en) * 1981-09-10 1987-02-05 Comalco Limited Alumina production

Also Published As

Publication number Publication date
IN167249B (es) 1990-09-29
JPH0335246B2 (es) 1991-05-27
IE861391L (en) 1986-11-29
BR8602446A (pt) 1987-01-27
EP0204644A1 (fr) 1986-12-10
KR900002546B1 (ko) 1990-04-20
GR861373B (en) 1986-08-28
GB8612896D0 (en) 1986-07-02
CN1004268B (zh) 1989-05-24
FR2582640B1 (fr) 1987-07-31
FR2582640A1 (fr) 1986-12-05
JPS61281017A (ja) 1986-12-11
IE59018B1 (en) 1993-12-15
AU579933B2 (en) 1988-12-15
HUT44978A (en) 1988-05-30
ES555396A0 (es) 1987-04-16
NZ216296A (en) 1989-11-28
AU5800886A (en) 1986-12-04
DE3669304D1 (de) 1990-04-12
HU207970B (en) 1993-07-28
ES8704856A1 (es) 1987-04-16
GB2175580B (en) 1989-07-05
YU87786A (en) 1988-08-31
US4647439A (en) 1987-03-03
CN85107051A (zh) 1986-11-26
CA1256673A (fr) 1989-07-04
EP0204644B1 (fr) 1990-03-07
MY101054A (en) 1991-07-16
KR860008939A (ko) 1986-12-19
GB2175580A (en) 1986-12-03

Similar Documents

Publication Publication Date Title
GB8606880D0 (en) Image processing process
ZA86276B (en) Process for treating dosage forms
GB2172535B (en) Workpiece processing apparatus
GB8625502D0 (en) Information processing apparatus
YU130387A (en) Process for drying
EP0192232A3 (en) Data processing apparatus
ZA868350B (en) Apparatus and process for solids-fluid separation
HUT46269A (en) Material processing apparatus
EP0202686A3 (en) Geometric processing system
EP0223601A3 (en) Image processing method
GB8531330D0 (en) Differentiation process
EP0206399A3 (en) Apparatus and process for solids-fluid separation
GB8529924D0 (en) Processing apparatus
YU44603B (en) Process for obtaining hynolone
YU44574B (en) Process for limiting lime-stone creation at bauxite processing
EP0223150A3 (en) Information processing apparatus
GB8507610D0 (en) Data processing apparatus
GB2183375B (en) Information processing apparatus
YU43899B (en) Process for obtaining peptide antibiotics
GR862080B (en) Process for making alumina
EP0226795A3 (en) Image processing method
YU100886A (en) Process for obtaining 2-bromine-alpha-ergocriptine
EP0228793A3 (en) Retreading process
GB2176893B (en) Method for processing data
EP0202697A3 (en) Separation process for para-fluoro-aniline