ES2070524T3 - Poliglicerinas en el proceso bayer. - Google Patents

Poliglicerinas en el proceso bayer.

Info

Publication number
ES2070524T3
ES2070524T3 ES91920438T ES91920438T ES2070524T3 ES 2070524 T3 ES2070524 T3 ES 2070524T3 ES 91920438 T ES91920438 T ES 91920438T ES 91920438 T ES91920438 T ES 91920438T ES 2070524 T3 ES2070524 T3 ES 2070524T3
Authority
ES
Spain
Prior art keywords
pct
polyglycerines
date jun
bayer process
sec
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 - Lifetime
Application number
ES91920438T
Other languages
English (en)
Inventor
Johannes Hachgenei
Reinhard Bunte
Jurgen Foll
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.)
Henkel AG and Co KGaA
Original Assignee
Henkel AG and Co KGaA
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 Henkel AG and Co KGaA filed Critical Henkel AG and Co KGaA
Application granted granted Critical
Publication of ES2070524T3 publication Critical patent/ES2070524T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C01F7/14—Aluminium oxide or hydroxide from alkali metal aluminates
    • C01F7/144—Aluminium oxide or hydroxide from alkali metal aluminates from aqueous aluminate solutions by precipitation due to cooling, e.g. as part of the Bayer process
    • C01F7/145—Aluminium oxide or hydroxide from alkali metal aluminates from aqueous aluminate solutions by precipitation due to cooling, e.g. as part of the Bayer process characterised by the use of a crystal growth modifying agent other than aluminium hydroxide seed
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Polyethers (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Compounds Of Iron (AREA)
  • Plural Heterocyclic Compounds (AREA)

Abstract

PARA LA FORMACION DE UN CRISTALIZADO DE TRIHIDRATO DE OXIDO DE ALUMINIO SEGUN EL PROCEDIMIENTO BAYER, POR MEDIO DE DISGREGACION DE BAUXITA MOLIDA, SEPARACION DEL LODO ROJO, ENFRIAMIENTO DEL FILTRADO Y CRISTALIZACION DEL HIDROXIDO DE ALUMINIO DISUELTO, COMO HIDRARGILITA, SE ADICIONAN ANTES Y/O DURANTE LA CRISTALIZACION, POLIGLICERINAS DE FORMULA GENERAL H OH A 3.
ES91920438T 1990-12-07 1991-11-28 Poliglicerinas en el proceso bayer. Expired - Lifetime ES2070524T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4039053A DE4039053A1 (de) 1990-12-07 1990-12-07 Polyglycerine im bayer-prozess

Publications (1)

Publication Number Publication Date
ES2070524T3 true ES2070524T3 (es) 1995-06-01

Family

ID=6419792

Family Applications (1)

Application Number Title Priority Date Filing Date
ES91920438T Expired - Lifetime ES2070524T3 (es) 1990-12-07 1991-11-28 Poliglicerinas en el proceso bayer.

Country Status (10)

Country Link
US (1) US5312603A (es)
EP (1) EP0560808B1 (es)
AT (1) ATE120435T1 (es)
AU (1) AU644918B2 (es)
BR (1) BR9107146A (es)
CA (1) CA2097934C (es)
DE (2) DE4039053A1 (es)
ES (1) ES2070524T3 (es)
GR (1) GR3015756T3 (es)
WO (1) WO1992010426A1 (es)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5385586A (en) * 1993-03-24 1995-01-31 Nalco Chemical Company Liquor oxalate stabilizers
AU670000B2 (en) * 1994-03-17 1996-06-27 Nalco Chemical Company Liquid oxalate stabilizers
GB9800855D0 (en) 1998-01-15 1998-03-11 Allied Colloids Ltd Production of alumina
DE10009369A1 (de) * 2000-02-29 2001-08-30 Vaw Ver Aluminium Werke Ag Aluminiumhydroxidgel
DE10113294A1 (de) * 2001-03-16 2002-09-19 Stockhausen Chem Fab Gmbh Bildung von Aluminiumoxidhydrat-haltigen Kristallen aus kaustischen Mutterlaugen
US7976820B2 (en) * 2005-06-23 2011-07-12 Nalco Company Composition and method for improved aluminum hydroxide production
US7955589B2 (en) * 2005-06-23 2011-06-07 Nalco Company Composition and method for improved aluminum hydroxide production
CN1321064C (zh) * 2005-07-18 2007-06-13 贵阳铝镁设计研究院 拜尔法种分母液铝酸钡苛化工艺
US9284625B2 (en) 2007-11-20 2016-03-15 Nalco Company Use of polyols as scale control reagents in the mining processes
US20100125156A1 (en) * 2008-11-14 2010-05-20 Smith Kevin W Condensation reactions for polyols
US8282689B2 (en) 2009-07-01 2012-10-09 Nalco Company Composition and method for enhancing the production of crystal agglomerates from a precipitation liquor
US8920768B2 (en) 2013-03-14 2014-12-30 Ecolab Usa Inc. Crystallization aids for bayer aluminum hydroxide
US9592456B2 (en) 2015-02-11 2017-03-14 Ecolab Usa Inc. Methods for enhancing production of aluminum hydroxide in an aluminum hydroxide production process
CN106241844A (zh) * 2016-07-15 2016-12-21 牛太同 一种砂状氧化铝种子分解添加剂

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2440378A (en) * 1946-09-13 1948-04-27 Aluminum Co Of America Treatment of sodium aluminate solutions
US3397953A (en) * 1965-03-04 1968-08-20 Atlas Chem Ind Flocculating agent
JPS6046923A (ja) * 1983-08-23 1985-03-14 Mitsubishi Chem Ind Ltd ベ−マイト
US4608237A (en) * 1985-04-24 1986-08-26 Nalco Chemical Company Use of polymers in alumina precipitation in the Bayer process of bauxite beneficiation
GB8519107D0 (en) * 1985-07-29 1985-09-04 Allied Colloids Ltd Flocculation process
US4822593A (en) * 1986-12-11 1989-04-18 Aluminum Company Of America Control of form of crystal precipitation of aluminum hydroxide using cosolvents and varying caustic concentration
US4737352A (en) * 1987-04-09 1988-04-12 Nalco Chemical Company Use of surfactants in alumina precipitation in the bayer process
DE3876615D1 (de) * 1988-02-11 1993-01-21 Vaw Ver Aluminium Werke Ag Verfahren zur herstellung von fuellstoffen und flammschutzmitteln auf der basis von aluminiumhydroxid in form von hydrargillit.
US5106599A (en) * 1990-02-06 1992-04-21 Nalco Chemical Company Alumina crystal growth additive
DE69125659T2 (de) * 1990-06-25 1997-07-31 Nalco Australia Modifikation der Kristallzüchtung

Also Published As

Publication number Publication date
WO1992010426A1 (de) 1992-06-25
EP0560808B1 (de) 1995-03-29
DE59105062D1 (en) 1995-05-04
DE4039053A1 (de) 1992-06-11
EP0560808A1 (en) 1993-09-22
BR9107146A (pt) 1993-11-16
ATE120435T1 (de) 1995-04-15
AU644918B2 (en) 1993-12-23
US5312603A (en) 1994-05-17
CA2097934C (en) 2002-04-09
CA2097934A1 (en) 1992-06-08
GR3015756T3 (en) 1995-07-31
AU8957691A (en) 1992-07-08

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