FR521449A - Further development of the hall process for the preparation of pure alumina - Google Patents

Further development of the hall process for the preparation of pure alumina

Info

Publication number
FR521449A
FR521449A FR521449A FR521449DA FR521449A FR 521449 A FR521449 A FR 521449A FR 521449 A FR521449 A FR 521449A FR 521449D A FR521449D A FR 521449DA FR 521449 A FR521449 A FR 521449A
Authority
FR
France
Prior art keywords
preparation
further development
pure alumina
hall process
hall
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
Application number
FR521449A
Other languages
French (fr)
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.)
ROCHETTE FRERES
Original Assignee
ROCHETTE FRERES
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 ROCHETTE FRERES filed Critical ROCHETTE FRERES
Application granted granted Critical
Publication of FR521449A publication Critical patent/FR521449A/en
Expired 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
    • C01F7/38—Preparation of aluminium oxide by thermal reduction of aluminous minerals

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Thermal Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
FR521449A 1919-11-19 1919-11-19 Further development of the hall process for the preparation of pure alumina Expired FR521449A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR521449T 1919-11-19

Publications (1)

Publication Number Publication Date
FR521449A true FR521449A (en) 1921-07-13

Family

ID=8917251

Family Applications (1)

Application Number Title Priority Date Filing Date
FR521449A Expired FR521449A (en) 1919-11-19 1919-11-19 Further development of the hall process for the preparation of pure alumina

Country Status (1)

Country Link
FR (1) FR521449A (en)

Similar Documents

Publication Publication Date Title
FR521449A (en) Further development of the hall process for the preparation of pure alumina
FR501495A (en) Process for the preparation of ethylene bi-chloride
FR529569A (en) Process for the preparation of alumina or alumina compounds
FR534232A (en) Process for the preparation of alpha-aminoanthraquinone
FR509142A (en) Process for separating alumina from clay
FR506392A (en) Process for preparing alumina or aluminum
FR526063A (en) Process for the preparation of boric acid from boron ores
FR543112A (en) Process for the preparation of phenylarsinic acid-amino-acetyloxy-iso-butyramide
FR634032A (en) Process for the preparation of highly porous lead aggregates
FR527004A (en) Process for the preparation of terpine hydrate
FR566041A (en) Process for the preparation of ethane derivatives
FR519819A (en) Process for the preparation of pure alkali aluminates
FR521029A (en) Process for the production of alumina starting from solutions of aluminum nitrate
FR521054A (en) Process for the preparation of methane
FR507342A (en) Process for the preparation of 2-aminoanthraquinone
FR537705A (en) Process for the preparation of acid anhydrides
FR543504A (en) Process for the preparation of oriental essence
FR995087A (en) Process for the preparation of alumina
FR536424A (en) Process for the preparation of crotonic acid using crotonic aldehyde
FR556766A (en) Process for the production of alumina
FR502416A (en) Process for the preparation of alcohol
FR592419A (en) Process for the application of mixtures of aluminous cements to ordinary cements
FR519649A (en) Process for the catalytic preparation of formaldehyde
FR609720A (en) Process for the preparation of the lime salt of acetyl-orthooxy-benzoic acid
FR569476A (en) Process for preparing aluminum chloride and alumina