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BR9710650A - Processo de recupera-Æo do sÄdio contido nos res¡duos alcalinos industriais - Google Patents

Processo de recupera-Æo do sÄdio contido nos res¡duos alcalinos industriais

Info

Publication number
BR9710650A
BR9710650A BR9710650A BR9710650A BR9710650A BR 9710650 A BR9710650 A BR 9710650A BR 9710650 A BR9710650 A BR 9710650A BR 9710650 A BR9710650 A BR 9710650A BR 9710650 A BR9710650 A BR 9710650A
Authority
BR
Brazil
Prior art keywords
recovery
alkaline waste
sodium contained
industrial alkaline
industrial
Prior art date
Application number
BR9710650A
Other languages
English (en)
Inventor
Jean-Michel Lamerant
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 BR9710650A publication Critical patent/BR9710650A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D1/00—Oxides or hydroxides of sodium, potassium or alkali metals in general
    • C01D1/04—Hydroxides
    • C01D1/28—Purification; Separation
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D1/00—Oxides or hydroxides of sodium, potassium or alkali metals in general
    • C01D1/04—Hydroxides
    • 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
    • C01F7/0606—Making-up the alkali hydroxide solution from recycled spent liquor
    • 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
    • C01F7/066—Treatment of the separated residue

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Analytical Chemistry (AREA)
  • Processing Of Solid Wastes (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Treatment Of Sludge (AREA)
  • Treatment Of Water By Ion Exchange (AREA)
  • Removal Of Specific Substances (AREA)
  • Manufacture And Refinement Of Metals (AREA)
BR9710650A 1996-04-01 1997-03-24 Processo de recupera-Æo do sÄdio contido nos res¡duos alcalinos industriais BR9710650A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9604288A FR2746786B1 (fr) 1996-04-01 1996-04-01 Procede de recuperation du sodium contenu dans les residus alcalins industriels
PCT/FR1997/000513 WO1997036823A1 (fr) 1996-04-01 1997-03-24 Procede de recuperation du sodium contenu dans les residus alcalins industriels

Publications (1)

Publication Number Publication Date
BR9710650A true BR9710650A (pt) 1999-08-17

Family

ID=9490946

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9710650A BR9710650A (pt) 1996-04-01 1997-03-24 Processo de recupera-Æo do sÄdio contido nos res¡duos alcalinos industriais

Country Status (13)

Country Link
US (1) US6110377A (pt)
EP (1) EP0891298B1 (pt)
JP (1) JP2000507540A (pt)
AU (1) AU720685B2 (pt)
BR (1) BR9710650A (pt)
CA (1) CA2251626C (pt)
DE (1) DE69701870T2 (pt)
ES (1) ES2145593T3 (pt)
FR (1) FR2746786B1 (pt)
GR (1) GR3033803T3 (pt)
HU (1) HU223308B1 (pt)
OA (1) OA10891A (pt)
WO (1) WO1997036823A1 (pt)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050194319A1 (en) * 2004-03-08 2005-09-08 Paul Wegner Ion exchange process
EP1586568B1 (en) 2004-04-14 2009-07-01 Repsol Quimica S.A. Process for the treatment of sodium-containing heavy residues and fuel so obtained
US8206586B2 (en) * 2006-02-09 2012-06-26 Alcoa Inc. Systems for polishing wastewater utilizing natural media filtration
US20100276360A1 (en) * 2007-02-08 2010-11-04 Alcoa Inc. Methods, apparatus and systems for polishing wastewater utilizing natural media filtration
WO2009009824A1 (en) * 2007-07-13 2009-01-22 Alcoa Of Australia Limited Method for controlling the precipitation of alumina
AU2011267932B2 (en) 2010-06-14 2015-09-17 Arconic Inc. Wastewater treatment system and method for removal of contaminants via mixed metal oxide beds
EP2648829A1 (en) * 2010-12-08 2013-10-16 Mohammed Olfi Using alkaline fly ash and similar byproducts in an ion-exchange/reverse osmosis process for the production of sodium carbonate
EP2802675B1 (en) * 2012-01-10 2020-03-11 Orbite Aluminae Inc. Processes for treating red mud
US9315406B2 (en) 2013-01-11 2016-04-19 Alcoa Inc. Wastewater treatment systems and methods
KR101754147B1 (ko) 2015-02-12 2017-07-06 충남대학교산학협력단 지르코늄 함유 산세 폐액으로부터 지르코늄의 선택적인 분리방법
CN110002467A (zh) * 2019-04-12 2019-07-12 中国科学院青海盐湖研究所 电池级碳酸锂生产中氢氧化钠溶液的纯化方法及其应用

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
HU172752B (hu) * 1976-10-29 1978-12-28 Magyar Aluminium Sposob selektivnogo izvlechenija natrija iz krasnogo shlama glinozjomnykh fabrik
US4172783A (en) * 1977-01-12 1979-10-30 The Permutit Company, Inc. Condensate purification process by use of dilute clear lime solution
CA1108319A (en) * 1977-11-18 1981-09-01 Horst Pohland Disposal of thixotropic muds
JPS57149805A (en) * 1981-03-06 1982-09-16 Showa Alum Ind Kk Manufacture of inorganic oxide or hydroxide freed of ionic impurity
GB8617387D0 (en) * 1986-07-16 1986-08-20 Alcan Int Ltd Alumina hydrates
GB9215438D0 (en) * 1992-07-21 1992-09-02 Davy Mckee Stockton Process

Also Published As

Publication number Publication date
DE69701870D1 (de) 2000-06-08
US6110377A (en) 2000-08-29
EP0891298B1 (fr) 2000-05-03
HUP9902577A2 (hu) 1999-12-28
GR3033803T3 (en) 2000-10-31
AU2298297A (en) 1997-10-22
HUP9902577A3 (en) 2001-11-28
ES2145593T3 (es) 2000-07-01
EP0891298A1 (fr) 1999-01-20
FR2746786B1 (fr) 1998-04-30
OA10891A (fr) 2003-02-21
CA2251626C (fr) 2005-10-25
AU720685B2 (en) 2000-06-08
DE69701870T2 (de) 2000-10-05
CA2251626A1 (fr) 1997-10-09
FR2746786A1 (fr) 1997-10-03
WO1997036823A1 (fr) 1997-10-09
JP2000507540A (ja) 2000-06-20
HU223308B1 (hu) 2004-05-28

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Legal Events

Date Code Title Description
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 17A ANUIDADE.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2258 DE 15-04-2014 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.