JPH08225319A - 低ソーダ含有精練用アルミナの製造方法 - Google Patents

低ソーダ含有精練用アルミナの製造方法

Info

Publication number
JPH08225319A
JPH08225319A JP7286567A JP28656795A JPH08225319A JP H08225319 A JPH08225319 A JP H08225319A JP 7286567 A JP7286567 A JP 7286567A JP 28656795 A JP28656795 A JP 28656795A JP H08225319 A JPH08225319 A JP H08225319A
Authority
JP
Japan
Prior art keywords
alumina
soda content
leaching
producing
low soda
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.)
Pending
Application number
JP7286567A
Other languages
English (en)
Japanese (ja)
Inventor
Stephen Charles Grocott
スティーヴン・チャールズ・グロコット
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.)
Alcoa of Australia Ltd
Original Assignee
Alcoa of Australia 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.)
Filing date
Publication date
Application filed by Alcoa of Australia Ltd filed Critical Alcoa of Australia Ltd
Publication of JPH08225319A publication Critical patent/JPH08225319A/ja
Pending 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
    • C01F7/46—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
    • C01F7/44—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

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)
JP7286567A 1994-10-06 1995-10-06 低ソーダ含有精練用アルミナの製造方法 Pending JPH08225319A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPM8685A AUPM868594A0 (en) 1994-10-06 1994-10-06 Method of producing low soda content smelting grade alumina
AU8685 1999-02-15

Publications (1)

Publication Number Publication Date
JPH08225319A true JPH08225319A (ja) 1996-09-03

Family

ID=3783204

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7286567A Pending JPH08225319A (ja) 1994-10-06 1995-10-06 低ソーダ含有精練用アルミナの製造方法

Country Status (4)

Country Link
JP (1) JPH08225319A (fr)
AU (1) AUPM868594A0 (fr)
CA (1) CA2160050A1 (fr)
FR (1) FR2725440A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006005400A1 (de) 2006-02-18 2007-08-23 Nabaltec Ag Verfahren zur Herstellung von gereinigtem Aluminiumoxid aus alkalihaltiger Tonerde
CN109761254A (zh) * 2019-02-02 2019-05-17 中国铝业股份有限公司 一种降低氢氧化铝或氧化铝中氧化钠杂质含量的方法
CN113716590A (zh) * 2021-10-25 2021-11-30 中铝山东工程技术有限公司 一种脱除氧化铝中氧化钠杂质的工艺

Also Published As

Publication number Publication date
FR2725440A1 (fr) 1996-04-12
CA2160050A1 (fr) 1996-04-07
AUPM868594A0 (en) 1994-11-03

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