BR7908477A - Processo para a remocao de impurezas de uma solucao de aluminato de sodio - Google Patents

Processo para a remocao de impurezas de uma solucao de aluminato de sodio

Info

Publication number
BR7908477A
BR7908477A BR7908477A BR7908477A BR7908477A BR 7908477 A BR7908477 A BR 7908477A BR 7908477 A BR7908477 A BR 7908477A BR 7908477 A BR7908477 A BR 7908477A BR 7908477 A BR7908477 A BR 7908477A
Authority
BR
Brazil
Prior art keywords
sodium aluminate
removing impurities
aluminate solution
solution
impurities
Prior art date
Application number
BR7908477A
Other languages
English (en)
Inventor
H Kato
K Yamada
T Harato
Original Assignee
Sumitomo Aluminium Smelting 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
Priority claimed from JP15893578A external-priority patent/JPS5585423A/ja
Priority claimed from JP1579279A external-priority patent/JPS55109222A/ja
Application filed by Sumitomo Aluminium Smelting Co filed Critical Sumitomo Aluminium Smelting Co
Publication of BR7908477A publication Critical patent/BR7908477A/pt

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
    • C01F7/46—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)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
BR7908477A 1978-12-21 1979-12-21 Processo para a remocao de impurezas de uma solucao de aluminato de sodio BR7908477A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP15893578A JPS5585423A (en) 1978-12-21 1978-12-21 Removing method for organic matter from sodium aluminate solution
JP1579279A JPS55109222A (en) 1979-02-13 1979-02-13 Removing organic and inorganic material from sodium aluminate solution

Publications (1)

Publication Number Publication Date
BR7908477A true BR7908477A (pt) 1980-07-22

Family

ID=26352001

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7908477A BR7908477A (pt) 1978-12-21 1979-12-21 Processo para a remocao de impurezas de uma solucao de aluminato de sodio

Country Status (8)

Country Link
US (1) US4263261A (pt)
EP (1) EP0013407B1 (pt)
AU (1) AU520320B2 (pt)
BR (1) BR7908477A (pt)
CA (1) CA1111229A (pt)
DE (1) DE2966848D1 (pt)
IN (1) IN151983B (pt)
NO (1) NO154793C (pt)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4443416A (en) * 1983-04-18 1984-04-17 Kaiser Aluminum & Chemical Corporation Purification of bayer process liquors
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
US4608237A (en) * 1985-04-24 1986-08-26 Nalco Chemical Company Use of polymers in alumina precipitation in the Bayer process of bauxite beneficiation
US4999170A (en) * 1988-06-03 1991-03-12 Vereinigte Aluminum-Werke Aktiendesellschaft Method for removing sodium oxalate from caustic aluminate liquors
US5106599A (en) * 1990-02-06 1992-04-21 Nalco Chemical Company Alumina crystal growth additive
WO1992019537A1 (en) * 1991-05-03 1992-11-12 Alcan International Limited Method for the control of sodium oxalate levels in sodium aluminate solutions
US5427750A (en) * 1993-10-29 1995-06-27 Nalco Chemical Company Polymers for removing humates from bayer process liquors
FR2736908B1 (fr) * 1995-07-20 1997-08-29 Pechiney Aluminium Procede d'epuration des solutions d'aluminate de sodium contenant de l'oxalate de sodium
FR2785895B1 (fr) * 1998-11-16 2001-01-19 Pechiney Aluminium Procede d'epuration des liqueurs d'aluminate de sodium contenant de l'oxalate de sodium permettant d'augmenter la quantite d'hydrate d'alumine produit
CN105800655B (zh) * 2016-03-24 2018-01-23 中铝山东有限公司 草酸钠混合种子、从铝酸钠溶液析出草酸钠的方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2981600A (en) * 1952-12-01 1961-04-25 Kaiser Aluminium Chem Corp Process of purifying caustic aluminate liquors
US2935376A (en) * 1957-04-08 1960-05-03 Kaiser Aluminium Chem Corp Process of precipitating alumina hydrate from a pregnant caustic aluminate liquor
US3372985A (en) * 1963-02-20 1968-03-12 Kaiser Aluminium Chem Corp Process for removing impurities from the precipitation system of the bayer process
US3649185A (en) * 1967-08-23 1972-03-14 Showa Denko Kk Method for removing impurities in the bayer process
FR2126059B1 (pt) * 1971-02-22 1973-11-23 Pechiney Ugine Kuhlmann
JPS53400B2 (pt) * 1972-12-06 1978-01-07
DE2553870C3 (de) * 1975-11-29 1980-08-14 Ernst Dr. 5300 Bonn Schultze-Rhonhof Verfahren zur Herstellung von Oxalsäure

Also Published As

Publication number Publication date
US4263261A (en) 1981-04-21
AU5396479A (en) 1980-06-26
EP0013407B1 (en) 1984-03-21
NO794175L (no) 1980-06-24
CA1111229A (en) 1981-10-27
NO154793B (no) 1986-09-15
IN151983B (pt) 1983-09-17
EP0013407A1 (en) 1980-07-23
NO154793C (no) 1986-12-29
DE2966848D1 (en) 1984-04-26
AU520320B2 (en) 1982-01-28

Similar Documents

Publication Publication Date Title
BR7901687A (pt) Processo para sintese de amoniaco
BR7901212A (pt) Composicao detergente alvejante e processo para a remocao de manchas de panos de tecido
BR8301659A (pt) Processo para preparar acetatos de acucar
BR7602337A (pt) Processo e dispositivo aperfeicoados para retirar agua de uma suspensao
BR8003827A (pt) Processo de remocao de incrustacoes
MX152373A (es) Proceso mejorado para la remocion de gases acidos a partir de mezclas que los contienen
BR8102484A (pt) Processo para a remocao de alcali de polieter-poliois
BR8305216A (pt) Processo para a preparacao de cloridrato de p - nitrosedifenilamina
BR7908477A (pt) Processo para a remocao de impurezas de uma solucao de aluminato de sodio
BR7902466A (pt) Processo de regeneracao de alkali
BR7704428A (pt) Processo para remocao de gases acidos
BR7802464A (pt) Processo para desnitrosacao de compostos n-nitrosos
BR8804713A (pt) Processo para a remocao de dicromato de uma solucao
BR7900349A (pt) Processo para a separacao de cloreto de aluminio
GB1543493A (en) Process for removing organic impurities from aqueous solution
BR8101924A (pt) Processo para monitorar a operacao de um tear
BR7904006A (pt) Processo para a remocao seletiva das impurezas
BR8305225A (pt) Processo para purificacao de um clorossilano
BR7907345A (pt) Processo para obtencao de compostos pirazolicos substancialmente puros
BR7903330A (pt) Processo de carbonatacao para fabricacao de biocarbonato de sodio
BR7906617A (pt) Processo para refinacao de material contendo lignocelulose
BR7804599A (pt) Processo para a remocao de nitrosaminas de dinitroanilinas
BR7805279A (pt) Processo para a remocao de nitrosaminas de dinitroanilinas
BR8005479A (pt) Processo para remover dicromatos de solucoes ricas em cloratos
BR7700849A (pt) Processo para remocao de depositos metalicos da super estrutura de uma camara para flutuacao de vidro