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WO1994024050A3 - Method of purifying soluions containing alkali-metal aluminates - Google Patents

Method of purifying soluions containing alkali-metal aluminates Download PDF

Info

Publication number
WO1994024050A3
WO1994024050A3 PCT/EP1994/001081 EP9401081W WO9424050A3 WO 1994024050 A3 WO1994024050 A3 WO 1994024050A3 EP 9401081 W EP9401081 W EP 9401081W WO 9424050 A3 WO9424050 A3 WO 9424050A3
Authority
WO
WIPO (PCT)
Prior art keywords
soluions
purifying
containing alkali
metal aluminates
alkali
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.)
Ceased
Application number
PCT/EP1994/001081
Other languages
German (de)
French (fr)
Other versions
WO1994024050A2 (en
Inventor
Istvan Potencsik
Reinhold Sedelies
Hubert Doerrer
Johannes Breker
Detlev Roggenkamp
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.)
BK Giulini GmbH
Original Assignee
Giulini Chemie GmbH
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 Giulini Chemie GmbH filed Critical Giulini Chemie GmbH
Priority to PL94310826A priority Critical patent/PL310826A1/en
Priority to EP94916913A priority patent/EP0693040A1/en
Priority to SK1259-95A priority patent/SK283913B6/en
Publication of WO1994024050A2 publication Critical patent/WO1994024050A2/en
Publication of WO1994024050A3 publication Critical patent/WO1994024050A3/en
Anticipated expiration legal-status Critical
Ceased 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
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/36—Regeneration of waste pickling liquors

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Removal Of Specific Substances (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

The invention concerns a multi-stage method for the purification of the alkali-metal aluminate solutions arising as wastes in the aluminium processing industry, as well as the processing of solid aluminium-containing residues to give purified alkali-metal aluminate solutions or solid alkali-metal aluminates.
PCT/EP1994/001081 1993-04-08 1994-04-07 Method of purifying soluions containing alkali-metal aluminates Ceased WO1994024050A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PL94310826A PL310826A1 (en) 1993-04-08 1994-04-07 Method of purifying solutions containing alkali metal alumionates
EP94916913A EP0693040A1 (en) 1993-04-08 1994-04-07 Method of purifying soluions containing alkali-metal aluminates
SK1259-95A SK283913B6 (en) 1993-04-08 1994-04-07 Method of purifying solutions containing alkali-metal aluminates

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4311716A DE4311716C1 (en) 1993-04-08 1993-04-08 Process for the preparation of pure alkali aluminates
DEP4311716.3 1993-04-08

Publications (2)

Publication Number Publication Date
WO1994024050A2 WO1994024050A2 (en) 1994-10-27
WO1994024050A3 true WO1994024050A3 (en) 1994-12-08

Family

ID=6485146

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1994/001081 Ceased WO1994024050A2 (en) 1993-04-08 1994-04-07 Method of purifying soluions containing alkali-metal aluminates

Country Status (6)

Country Link
EP (1) EP0693040A1 (en)
CZ (1) CZ290971B6 (en)
DE (1) DE4311716C1 (en)
PL (1) PL310826A1 (en)
SK (1) SK283913B6 (en)
WO (1) WO1994024050A2 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2728886A1 (en) * 1994-12-28 1996-07-05 Softal High purity sodium aluminate powder or granules
DE10054128A1 (en) * 2000-10-31 2002-05-08 Heiko Weber Process for the disposal of waste materials in an aluminum anodizing plant
ES2277556B1 (en) * 2005-12-26 2008-06-16 Safloc, S.L. PROCEDURE FOR THE MANUFACTURE OF BASIC ALUMINUM SALTS AND THEIR DERIVATIVES FROM ALUMINUM WASTE AND APPLICATIONS.
DE112009003274A5 (en) * 2008-11-03 2012-09-20 Thomas König Baking method and dressing
GR1006987B (en) * 2009-07-30 2010-09-27 Νταϊλιανης, Νικολαος Production of sodium aluminate with simultaneous recycling of waste of alkaline washing of matrices of aluminum extrusion industries by the use of the existing washing equipment.
DE102013108375A1 (en) 2013-01-31 2014-07-31 Thomas König Process for the preparation of a pickling and / or anodizing bath and anodizing arrangement
GR1009539B (en) * 2018-04-03 2019-06-03 Νικολαος Κωνσταντινου Νταϊλιανης Method and simple equipment for the recyclig of alkaline waste produced by aluminium extrusion industries - production of useful flocculants

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1592172A1 (en) * 1965-12-24 1970-10-22 Electro Chimie Metal Process for cleaning alkali aluminate solutions
JPS5021303B1 (en) * 1970-12-30 1975-07-22
US4261958A (en) * 1978-04-11 1981-04-14 Pevzner Ilya Z Process for the production of sodium aluminate
US4265863A (en) * 1978-04-05 1981-05-05 Exergie Societe De Personnes A Responsabilitie Limitee Integrated process for treatment of residual solutions from anodization plants
WO1987001107A1 (en) * 1985-08-22 1987-02-26 Vsesojuzny Nauchno-Issledovatelsky I Proektny Inst Method for obtaining hydroaluminate of alkaline metal
EP0387492A1 (en) * 1989-03-16 1990-09-19 Deutsche Solvay-Werke Gmbh Process for the production of sodium aluminate
EP0501458A1 (en) * 1991-02-28 1992-09-02 Fuji Photo Film Co., Ltd. Method for treating a surface of an aluminum substrate for a printing plate

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1592172A1 (en) * 1965-12-24 1970-10-22 Electro Chimie Metal Process for cleaning alkali aluminate solutions
JPS5021303B1 (en) * 1970-12-30 1975-07-22
US4265863A (en) * 1978-04-05 1981-05-05 Exergie Societe De Personnes A Responsabilitie Limitee Integrated process for treatment of residual solutions from anodization plants
US4261958A (en) * 1978-04-11 1981-04-14 Pevzner Ilya Z Process for the production of sodium aluminate
WO1987001107A1 (en) * 1985-08-22 1987-02-26 Vsesojuzny Nauchno-Issledovatelsky I Proektny Inst Method for obtaining hydroaluminate of alkaline metal
EP0387492A1 (en) * 1989-03-16 1990-09-19 Deutsche Solvay-Werke Gmbh Process for the production of sodium aluminate
EP0501458A1 (en) * 1991-02-28 1992-09-02 Fuji Photo Film Co., Ltd. Method for treating a surface of an aluminum substrate for a printing plate

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Week 7533, Derwent World Patents Index; AN 75-54956W, "Treating aluminium etching waste solution - to recover aluminium as sodium aluminate." *

Also Published As

Publication number Publication date
CZ290971B6 (en) 2002-11-13
EP0693040A1 (en) 1996-01-24
SK283913B6 (en) 2004-05-04
CZ261395A3 (en) 1996-05-15
WO1994024050A2 (en) 1994-10-27
PL310826A1 (en) 1996-01-08
SK125995A3 (en) 1996-02-07
DE4311716C1 (en) 1994-11-24

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