BE453166A - - Google Patents

Info

Publication number
BE453166A
BE453166A BE453166DA BE453166A BE 453166 A BE453166 A BE 453166A BE 453166D A BE453166D A BE 453166DA BE 453166 A BE453166 A BE 453166A
Authority
BE
Belgium
Prior art keywords
solution
precipitation
alumina
carbon dioxide
lime
Prior art date
Application number
Other languages
English (en)
French (fr)
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.)
Publication of BE453166A publication Critical patent/BE453166A/fr

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
    • C01F7/06Preparation 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
    • C01F7/0613Pretreatment of the minerals, e.g. grinding
    • 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
    • C01F7/16Preparation of alkaline-earth metal aluminates or magnesium aluminates; Aluminium oxide or hydroxide therefrom
    • C01F7/164Calcium aluminates

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
BE453166D 1942-11-07 BE453166A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE900374X 1942-11-07

Publications (1)

Publication Number Publication Date
BE453166A true BE453166A (enrdf_load_stackoverflow)

Family

ID=6852500

Family Applications (1)

Application Number Title Priority Date Filing Date
BE453166D BE453166A (enrdf_load_stackoverflow) 1942-11-07

Country Status (2)

Country Link
BE (1) BE453166A (enrdf_load_stackoverflow)
FR (1) FR900374A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR900374A (fr) 1945-06-27

Similar Documents

Publication Publication Date Title
FR2570367A1 (fr) Procede pour la production d'hemihydrate de gypse sous forme a
CA2001063C (en) Method for producing aqueous solutions of basic poly aluminum sulphate
CA1110828A (fr) Procede de purification de solutions contenant des carbonate, sulfate, eventuellement hydroxyde de sodium ou potassium, ainsi que l'un au moins des metaux, vanadium, uranium, molybdene
FR2575149A1 (fr) Procede pour recuperer des produits de valeur des boues rouges du procede bayer
CA2035185C (fr) Procede d'elaboration de composes binaires du soufre
CN111132932A (zh) 碱式碳酸铜的制备方法
EP0173630A2 (fr) Purification des solutions d'aluminate de sodium du cycle bayer par elimination d'oxalate de sodium
CA2050944C (en) Sulfur dioxide removal from gases using a modified lime
BE453166A (enrdf_load_stackoverflow)
JP2009233605A (ja) ホウフッ化物含有水の処理方法
CA2416380A1 (en) Improved process for filter aid production in alumina refineries
EP0286564A1 (fr) Procédé d'obtention d'oxyde de magnesium d'une haute pureté à partir de minerais contenant du calcium et du magnesium
FR2614551A1 (fr) Compositions d'amidon methyle et leur utilisation comme agents de floculation pour les residus de bauxite
CA1179147A (fr) Procede d'extraction de l'arsenic a partir de solutions contenant des carbonates, sulfates, eventuellement de l'hydroxyde alcalin ainsi que l'un au moins des metaux vanadium uranium et molybdene
BE713865A (enrdf_load_stackoverflow)
RU2283283C1 (ru) Способ получения карбоната лития высокой степени чистоты из литиеносных хлоридных рассолов
US2356626A (en) Method for dissolving raw aluminates of lime in water and recovering alumina from such solutions
OA11960A (fr) Procédé d'épuration des liqueurs d'aluminate de soidium contenant de l'oxalate de sodium permettant de valoriser les résidus.
SU1294853A1 (ru) Способ переработки железистых гидратных кеков,содержащих никель и кобальт
CA1201592A (fr) Extraction de l'arsenic en solution dans des liqueurs contenant des carbonate, sulfate, eventuellement de l'hydroxyde, alcalins, ainsi que l'un au moins des metaux vanadium, uranium et molybdene
FR2495641A1 (fr) Procede de recuperation du cuivre a partir des scories arsenicales
SU1096202A1 (ru) Способ получени дефолианта
DE874900C (de) Verfahren zur Herstellung von Tonerde
US822444A (en) Process of making beryllium hydroxid.
US994502A (en) Process of utilizing zinc-sulfite sludge.