FR556766A - Process for the production of alumina - Google Patents

Process for the production of alumina

Info

Publication number
FR556766A
FR556766A FR556766DA FR556766A FR 556766 A FR556766 A FR 556766A FR 556766D A FR556766D A FR 556766DA FR 556766 A FR556766 A FR 556766A
Authority
FR
France
Prior art keywords
alumina
production
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
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.)
Norsk Hydro Elektrisk Kvaelstof AS
Original Assignee
Norsk Hydro Elektrisk Kvaelstof AS
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 Norsk Hydro Elektrisk Kvaelstof AS filed Critical Norsk Hydro Elektrisk Kvaelstof AS
Application granted granted Critical
Publication of FR556766A publication Critical patent/FR556766A/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
    • C01F7/20—Preparation of aluminium oxide or hydroxide from aluminous ores using acids or salts
    • C01F7/24—Preparation of aluminium oxide or hydroxide from aluminous ores using acids or salts with nitric acid or nitrogen oxides

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
FR556766D 1921-11-02 1922-02-28 Process for the production of alumina Expired FR556766A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO556766X 1921-11-02

Publications (1)

Publication Number Publication Date
FR556766A true FR556766A (en) 1923-07-26

Family

ID=19906062

Family Applications (1)

Application Number Title Priority Date Filing Date
FR556766D Expired FR556766A (en) 1921-11-02 1922-02-28 Process for the production of alumina

Country Status (1)

Country Link
FR (1) FR556766A (en)

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