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ES8603348A1 - Procedimiento para el procesado del oxalato sodico impuro, que se forma durante la digestion de la bauxita - Google Patents
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ES8603348A1 - Procedimiento para el procesado del oxalato sodico impuro, que se forma durante la digestion de la bauxita - Google Patents

Procedimiento para el procesado del oxalato sodico impuro, que se forma durante la digestion de la bauxita

Info

Publication number
ES8603348A1
ES8603348A1 ES541618A ES541618A ES8603348A1 ES 8603348 A1 ES8603348 A1 ES 8603348A1 ES 541618 A ES541618 A ES 541618A ES 541618 A ES541618 A ES 541618A ES 8603348 A1 ES8603348 A1 ES 8603348A1
Authority
ES
Spain
Prior art keywords
bauxite
digestion
procedure
processing
formed during
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
Application number
ES541618A
Other languages
English (en)
Other versions
ES541618A0 (es
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.)
GEA Group AG
Reynolds Metals Co
Original Assignee
Metallgesellschaft AG
Reynolds Metals Co
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 Metallgesellschaft AG, Reynolds Metals Co filed Critical Metallgesellschaft AG
Publication of ES8603348A1 publication Critical patent/ES8603348A1/es
Publication of ES541618A0 publication Critical patent/ES541618A0/es
Granted 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
    • C01F7/04—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom
    • 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

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)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)

Abstract

PROCEDIMIENTO PARA EL PROCESADO DEL OXALATO SODICO IMPURO QUE SE FORMA DURANTE LA DIGESTION DE LA BAUXITA EN UNA ETAPA DE SEPARACION. CONSISTE EN SECAR EL OXALATO SODICO SEPARADO HUMEDO, JUNTO CON HIDROXIDO DE ALUMINIO O BIEN OXIHIDRATO DE ALUMINIO Y/U OXIDO DE ALUMINIO REACTIVO, AJUSTANDOSE UNA PROPORCION MOLAR DE ALUMINIO A SODIO DE AL MENOS 0,8, CON LOS GASES DE ESCAPE CALIENTES DE UN HORNO TUBULAR GIRATORIO, Y EL PRODUCTO SECO SE DESCOMPONE EN EL HORNO TUBULAR A TEMPERATURA ENTRE 780 Y 1.000º, FUNDAMENTALMENTE ENTRE 850 Y 950JC, PARA DAR ALUMINATO SODICO.
ES541618A 1984-03-28 1985-03-27 Procedimiento para el procesado del oxalato sodico impuro, que se forma durante la digestion de la bauxita Granted ES541618A0 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19843411415 DE3411415A1 (de) 1984-03-28 1984-03-28 Verfahren zum aufarbeiten des beim bauxit-aufschluss anfallenden natriumoxalates

Publications (2)

Publication Number Publication Date
ES8603348A1 true ES8603348A1 (es) 1985-12-16
ES541618A0 ES541618A0 (es) 1985-12-16

Family

ID=6231873

Family Applications (1)

Application Number Title Priority Date Filing Date
ES541618A Granted ES541618A0 (es) 1984-03-28 1985-03-27 Procedimiento para el procesado del oxalato sodico impuro, que se forma durante la digestion de la bauxita

Country Status (13)

Country Link
US (1) US4663132A (es)
JP (1) JPS60255618A (es)
AU (1) AU575757B2 (es)
BR (1) BR8501395A (es)
CA (1) CA1223115A (es)
DE (1) DE3411415A1 (es)
ES (1) ES541618A0 (es)
FR (1) FR2562058B1 (es)
GR (1) GR850748B (es)
IN (1) IN162689B (es)
IT (1) IT1187645B (es)
NL (1) NL8500896A (es)
YU (1) YU44500B (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU673306B2 (en) * 1994-05-30 1996-10-31 Bhp Billiton Worsley Alumina Pty Ltd Removal of impurities in Bayer process
AUPP933499A0 (en) * 1999-03-19 1999-04-15 Worsley Alumina Pty Ltd Process for the removal of oxalate and/or sulphate from bayer liquors
CN108147442A (zh) * 2017-12-06 2018-06-12 中国铝业股份有限公司 一种氧化铝分解过程产生的废弃物的处理方法
CN109704373B (zh) * 2019-03-13 2021-06-08 国家电投集团山西铝业有限公司 一种氧化铝熟料烧结工艺及氧化铝熟料

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2317226A1 (fr) * 1975-07-07 1977-02-04 Alcan Res & Dev Perfectionnements a la production d'alumine
JPS5846450B2 (ja) * 1978-07-11 1983-10-17 昭和軽金属株式会社 バイヤ−循環液の処理方法
JPS5846450A (ja) * 1981-09-14 1983-03-17 Fuji Xerox Co Ltd マイクロコンピユ−タの異常動作検知装置
JPS58145619A (ja) * 1982-02-18 1983-08-30 Showa Alum Ind Kk バイヤ−工程循環液中の炭素化合物除去方法

Also Published As

Publication number Publication date
IT1187645B (it) 1987-12-23
FR2562058A1 (fr) 1985-10-04
IT8520048A0 (it) 1985-03-25
YU44500B (en) 1990-08-31
IT8520048A1 (it) 1986-09-25
GR850748B (es) 1985-07-22
US4663132A (en) 1987-05-05
IN162689B (es) 1988-07-02
AU4043685A (en) 1985-10-03
DE3411415A1 (de) 1985-10-03
BR8501395A (pt) 1985-11-26
ES541618A0 (es) 1985-12-16
CA1223115A (en) 1987-06-23
AU575757B2 (en) 1988-08-04
FR2562058B1 (fr) 1990-04-27
JPS60255618A (ja) 1985-12-17
NL8500896A (nl) 1985-10-16
YU49385A (en) 1988-02-29

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19970303