DE284601C - - Google Patents

Info

Publication number
DE284601C
DE284601C DENDAT284601D DE284601DA DE284601C DE 284601 C DE284601 C DE 284601C DE NDAT284601 D DENDAT284601 D DE NDAT284601D DE 284601D A DE284601D A DE 284601DA DE 284601 C DE284601 C DE 284601C
Authority
DE
Germany
Prior art keywords
bottles
bayer
shaker
per liter
ozone
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.)
Active
Application number
DENDAT284601D
Other languages
German (de)
English (en)
Publication of DE284601C publication Critical patent/DE284601C/de
Active legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00Compounds of aluminium
    • C01F7/02Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/04Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom
    • C01F7/14Aluminium oxide or hydroxide from alkali metal aluminates
    • C01F7/144Aluminium oxide or hydroxide from alkali metal aluminates from aqueous aluminate solutions by precipitation due to cooling, e.g. as part of the Bayer process
    • C01F7/145Aluminium 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
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00Compounds of aluminium
    • C01F7/02Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/04Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom
    • C01F7/14Aluminium oxide or hydroxide from alkali metal aluminates
    • C01F7/144Aluminium oxide or hydroxide from alkali metal aluminates from aqueous aluminate solutions by precipitation due to cooling, e.g. as part of the Bayer process
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00Compounds of aluminium
    • C01F7/02Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/46Purification of aluminium oxide, aluminium hydroxide or aluminates
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00Compounds of aluminium
    • C01F7/02Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/46Purification of aluminium oxide, aluminium hydroxide or aluminates
    • C01F7/47Purification 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
    • C01F7/473Removal of organic compounds, e.g. sodium oxalate
    • C01F7/476Removal of organic compounds, e.g. sodium oxalate by oxidation

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)
DENDAT284601D Active DE284601C (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DE284601C true DE284601C (enrdf_load_stackoverflow)

Family

ID=540060

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT284601D Active DE284601C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (1) DE284601C (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1440938A1 (en) * 2003-01-14 2004-07-28 Ozonia AG Process to remove organic impurities from Bayer process liquor using ozone

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1440938A1 (en) * 2003-01-14 2004-07-28 Ozonia AG Process to remove organic impurities from Bayer process liquor using ozone

Similar Documents

Publication Publication Date Title
DE69215536T2 (de) Verfahren zur abtrennung von rotschlamm bei der produktion von aluminiumoxid aus bauxit
DE10393609T5 (de) Verfahren zur Entmineralisierung von Kohle
EP0197269A2 (de) Verfahren zur Verminderung der organischen Bestandteile in Aluminatlaugen
DE2647259C3 (de) Verfahren zum Entfernen von Verunreinigungen aus einer nach dem Bayer-Verfahren gewonnenen alkalischen Natriumaluminatlösung
DE3545388C2 (enrdf_load_stackoverflow)
DE69511528T2 (de) Verfahren zur entfernung von eisen aus natriumaluminatlaugen, die aus dem alkalischen angriff von aluminium-metahydroxid enthaltendem bauxit stammen
DE2918520C2 (enrdf_load_stackoverflow)
DE69614818T2 (de) Flüssige reinigungszusammensetzung
DE3432473C3 (de) Verfahren zur Herstellung eines Aluminiumtrihydroxids grober Kerngröße
DE284601C (enrdf_load_stackoverflow)
DE3490383T1 (de) Verfahren zur Herstellung von hochreinem Aluminiumoxid
EP0302514A2 (de) Verfahren zur Gewinnung von wasserfreiem Magnesiumcarbonat
DE69221633T2 (de) Herstellung von alkalimetallcarbonaten
DE3213932A1 (de) Verfahren zur aufarbeitung von aluminium- und eisenhaltigen sauren abwaessern
DE69423272T2 (de) Verfahren zur Behandlung von Aluminium enthaltenden Natriumhydroxidablaugen
DE19858544B4 (de) Verfahren zur Herstellung von Natriumpersulfat
DE1592159B2 (de) Verfahren zum klaeren von technischen natriumaluminatloesungen aus dem alkalischen aufschluss von bauxiten
EP0188268A2 (de) Verfahren zur Herstellung von Aluminiumhydroxid mit niedrigem Gehalt an Verunreinigungen, insbesondere an Eisen, und hohem Weissgrad
DE3780744T2 (de) Verfahren zur erniedrigung des eisengehalts von aluminatlaugen des bayer-verfahrens.
DE69228865T2 (de) Verfahren zur herstellung von aluminiumhydroxid aus aluminiumoxid enthaltenden erzen
DE60001507T2 (de) Verfahren zur reinigung von natriumoxalat enthaltende natriumaluminatlösungen mit verwertung von rückständen
DE2125874B2 (de) Verfahren zum Steuern des Gehaltes an Verunreinigungen von Zinksulfatlösungen
DE579114C (de) Verfahren zur Herstellung von Tonerde
DE264005C (enrdf_load_stackoverflow)
DE599986C (de) Verfahren zur Reinigung von Beizereiablaugen