FR905938A - Process for the enrichment of poor metal ores, especially chromium ores - Google Patents

Process for the enrichment of poor metal ores, especially chromium ores

Info

Publication number
FR905938A
FR905938A FR905938DA FR905938A FR 905938 A FR905938 A FR 905938A FR 905938D A FR905938D A FR 905938DA FR 905938 A FR905938 A FR 905938A
Authority
FR
France
Prior art keywords
ores
enrichment
poor metal
especially chromium
metal ores
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)
Inventor
Riccardo Job
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 filed Critical
Application granted granted Critical
Publication of FR905938A publication Critical patent/FR905938A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B34/00—Obtaining refractory metals
    • C22B34/30—Obtaining chromium, molybdenum or tungsten
    • C22B34/32—Obtaining chromium

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
FR905938D 1943-08-07 1944-07-20 Process for the enrichment of poor metal ores, especially chromium ores Expired FR905938A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT905938X 1943-08-07

Publications (1)

Publication Number Publication Date
FR905938A true FR905938A (en) 1945-12-18

Family

ID=11331786

Family Applications (1)

Application Number Title Priority Date Filing Date
FR905938D Expired FR905938A (en) 1943-08-07 1944-07-20 Process for the enrichment of poor metal ores, especially chromium ores

Country Status (1)

Country Link
FR (1) FR905938A (en)

Similar Documents

Publication Publication Date Title
CH316865A (en) Process for the establishment of sintered metal parts
FR1083577A (en) Process and solutions for the electroplating of metals
FR926029A (en) Process for the separation of precious metals from sulphides
FR905938A (en) Process for the enrichment of poor metal ores, especially chromium ores
CH262337A (en) Process for the production of magnesium by reduction of magnesia using ferrosilicon.
FR926715A (en) Process for inlaying metal for ornaments, etc.
FR984974A (en) Improvements to processes and machines for shaping parts, particularly metal
CH263294A (en) Process for the production of ammonium nitrate in the granulated state.
FR1097631A (en) Process for plating stainless chrome steel on steels of different nature
FR901970A (en) Process for carrying out hydrogenation reactions
FR1084730A (en) Improvements to processes for forging or stamping hollow parts
FR913182A (en) Milling process for steel sheets
CH258595A (en) Process for improving the surface condition of metal parts.
FR926348A (en) Process for obtaining nickel and other metals from reduced mineral leaching liquors
FR905704A (en) Steel making process
FR880107A (en) Process for the production of chromium steels
FR913178A (en) Process for obtaining precision stamped parts in sheet steel
FR902992A (en) Metal separation and refining process
FR906294A (en) Process for the manufacture of articles made of iron-carbon alloys
FR992972A (en) Process for the production of steel, and especially of fine steel, by puddling or interrupted refining and decarburization
FR898948A (en) Improvements to the processes for obtaining metal powders, in particular ferro-magnetic powders
BE584925A (en) Process for the treatment under reduced pressure, using low frequency magnetic fields, of molten metals.
FR987464A (en) Process for obtaining perforated metal elements
FR987929A (en) Direct reduction process for metal oxides
FR1058076A (en) Process for improving the wear resistance of ferrous metals