CN1198762C - 提高氧化铝工艺性能的进料处理方法 - Google Patents

提高氧化铝工艺性能的进料处理方法 Download PDF

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Publication number
CN1198762C
CN1198762C CNB998105554A CN99810555A CN1198762C CN 1198762 C CN1198762 C CN 1198762C CN B998105554 A CNB998105554 A CN B998105554A CN 99810555 A CN99810555 A CN 99810555A CN 1198762 C CN1198762 C CN 1198762C
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CN
China
Prior art keywords
raw material
bayer
alumina
treatment process
supplying step
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.)
Expired - Fee Related
Application number
CNB998105554A
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English (en)
Chinese (zh)
Other versions
CN1324328A (zh
Inventor
迈克尔·霍利特
斯蒂芬·格罗科特
杰勒德·罗
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.)
Rio Tinto Aluminium Ltd
Original Assignee
Comalco Aluminum Ltd
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.)
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Publication date
Application filed by Comalco Aluminum Ltd filed Critical Comalco Aluminum Ltd
Publication of CN1324328A publication Critical patent/CN1324328A/zh
Application granted granted Critical
Publication of CN1198762C publication Critical patent/CN1198762C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B21/00—Obtaining aluminium
    • C22B21/0007—Preliminary treatment of ores or scrap or any other metal source
    • 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
    • C01F7/0613—Pretreatment of the minerals, e.g. grinding
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/02—Roasting processes

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Environmental & Geological Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
CNB998105554A 1998-08-17 1999-08-17 提高氧化铝工艺性能的进料处理方法 Expired - Fee Related CN1198762C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPP5314 1998-08-01
AUPP5314A AUPP531498A0 (en) 1998-08-17 1998-08-17 Feed processing for improved alumina process performance

Publications (2)

Publication Number Publication Date
CN1324328A CN1324328A (zh) 2001-11-28
CN1198762C true CN1198762C (zh) 2005-04-27

Family

ID=3809546

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB998105554A Expired - Fee Related CN1198762C (zh) 1998-08-17 1999-08-17 提高氧化铝工艺性能的进料处理方法

Country Status (10)

Country Link
US (1) US6616902B1 (https=)
EP (1) EP1109740A4 (https=)
JP (1) JP2002523326A (https=)
CN (1) CN1198762C (https=)
AU (1) AUPP531498A0 (https=)
CA (1) CA2340971A1 (https=)
EA (1) EA002531B1 (https=)
MY (1) MY123315A (https=)
OA (1) OA11776A (https=)
WO (1) WO2000010919A1 (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008034196A1 (en) * 2006-09-22 2008-03-27 Alcoa Of Australia Limited Method of concentrating a bayer process liquor
CN102161050B (zh) * 2011-04-11 2012-09-26 德清县宝德炉料有限公司 生物法处理废弃滑板进行循环再利用的方法
CN102258988A (zh) * 2011-05-12 2011-11-30 湖北航特科技有限责任公司 一种高比表面积拟薄水铝石的预处理方法
JP2016517385A (ja) * 2013-03-13 2016-06-16 ナルコ カンパニー 架橋されたエチルスルホン化ジヒドロキシプロピルセルロース
DK3191406T3 (da) * 2014-09-12 2021-02-08 Usalco Llc Fremgangsmåde til fremstilling af aluminiumchloridderivater

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2668751A (en) * 1949-12-30 1954-02-09 Kaiser Aluminium Chem Corp Process for production of alumina
FR1077116A (fr) * 1953-03-23 1954-11-04 Pechiney Alumine amorphe exceptionnellement réactive
DE1014087B (de) * 1954-03-19 1957-08-22 Kaiser Aluminium Chem Corp Verfahren zum Extrahieren von Aluminiumoxyd aus aluminiumhaltigen Erzen
FR1106778A (fr) * 1954-06-10 1955-12-22 Pechiney Perfectionnement à la préparation d'alumine activée à partir d'hydrargillite
US2915365A (en) * 1954-06-28 1959-12-01 Pechiney Prod Chimiques Sa Method of preparing activated alumina from commercial alpha alumina trihydrate
US3227521A (en) * 1961-01-17 1966-01-04 Reynolds Metals Co Process for producing substantially kappa-phase alumina
FR1295554A (fr) * 1961-04-28 1962-06-08 Electrochimie Soc Dispositif pour la fabrication d'alumines anhydres
FR1330185A (fr) * 1962-05-04 1963-06-21 Electro Chimie Soc D Perfectionnement au traitement des bauxites à trihydrate
FR1364940A (fr) * 1963-07-29 1964-06-26 Kaiser Aluminium Chem Corp Procédé de fabrication de nodules d'alumine active à partir d'alumine hydratée
US3958341A (en) * 1970-12-05 1976-05-25 Bayer Aktiengesellschaft Process for the production of active aluminum oxide in bead and powder form
JPS533359B2 (https=) * 1971-09-27 1978-02-06
US5141734A (en) * 1983-11-07 1992-08-25 Aluminum Company Of America Steam producing process
CA2002172A1 (en) * 1988-12-01 1990-06-01 Neil Brown Method for bauxite treatment
GB2257695B (en) * 1991-07-10 1995-05-10 Shell Int Research Heat treatment of bauxite

Also Published As

Publication number Publication date
WO2000010919A1 (en) 2000-03-02
EA200100251A1 (ru) 2001-08-27
MY123315A (en) 2006-05-31
EP1109740A1 (en) 2001-06-27
CA2340971A1 (en) 2000-03-02
EA002531B1 (ru) 2002-06-27
EP1109740A4 (en) 2006-06-28
AUPP531498A0 (en) 1998-09-10
JP2002523326A (ja) 2002-07-30
CN1324328A (zh) 2001-11-28
US6616902B1 (en) 2003-09-09
OA11776A (en) 2005-07-26

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C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20050427

Termination date: 20130817