BE497446A - - Google Patents

Info

Publication number
BE497446A
BE497446A BE497446DA BE497446A BE 497446 A BE497446 A BE 497446A BE 497446D A BE497446D A BE 497446DA BE 497446 A BE497446 A BE 497446A
Authority
BE
Belgium
Prior art keywords
oxygen
nitrogen
hydrogen
gas
catalyst
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE497446A publication Critical patent/BE497446A/fr

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/74Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • C21D1/76Adjusting the composition of the atmosphere

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Catalysts (AREA)
BE497446D BE497446A (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
BE497446A true BE497446A (enrdf_load_stackoverflow)

Family

ID=140415

Family Applications (1)

Application Number Title Priority Date Filing Date
BE497446D BE497446A (enrdf_load_stackoverflow)

Country Status (1)

Country Link
BE (1) BE497446A (enrdf_load_stackoverflow)

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