FI70258C - Foerfarande foer raffinering av ferrokrommetall - Google Patents

Foerfarande foer raffinering av ferrokrommetall Download PDF

Info

Publication number
FI70258C
FI70258C FI823522A FI823522A FI70258C FI 70258 C FI70258 C FI 70258C FI 823522 A FI823522 A FI 823522A FI 823522 A FI823522 A FI 823522A FI 70258 C FI70258 C FI 70258C
Authority
FI
Finland
Prior art keywords
metal
ferrochrome
oxide
process according
silicon
Prior art date
Application number
FI823522A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI823522L (fi
FI70258B (fi
FI823522A0 (fi
Inventor
Thomas Robert Curr
Nicholas Adrian Barcza
Original Assignee
Mineral Tech Council
Middelburg Steel & Alloys Pty
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 Mineral Tech Council, Middelburg Steel & Alloys Pty filed Critical Mineral Tech Council
Publication of FI823522A0 publication Critical patent/FI823522A0/fi
Publication of FI823522L publication Critical patent/FI823522L/fi
Application granted granted Critical
Publication of FI70258B publication Critical patent/FI70258B/fi
Publication of FI70258C publication Critical patent/FI70258C/fi

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C35/00—Master alloys for iron or steel
    • C22C35/005—Master alloys for iron or steel based on iron, e.g. ferro-alloys
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/52—Manufacture of steel in electric furnaces
    • C21C5/5264—Manufacture of alloyed steels including ferro-alloys
    • 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
    • C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
    • C22B9/16—Remelting metals
    • C22B9/22—Remelting metals with heating by wave energy or particle radiation
    • C22B9/226—Remelting metals with heating by wave energy or particle radiation by electric discharge, e.g. plasma
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/52—Manufacture of steel in electric furnaces
    • C21C5/5205—Manufacture of steel in electric furnaces in a plasma heated furnace
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Silicon Compounds (AREA)
  • Manufacture Of Iron (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Compounds Of Iron (AREA)
FI823522A 1981-10-19 1982-10-15 Foerfarande foer raffinering av ferrokrommetall FI70258C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA817209 1981-10-19
ZA8107209 1981-10-19

Publications (4)

Publication Number Publication Date
FI823522A0 FI823522A0 (fi) 1982-10-15
FI823522L FI823522L (fi) 1983-04-20
FI70258B FI70258B (fi) 1986-02-28
FI70258C true FI70258C (fi) 1986-09-15

Family

ID=25575704

Family Applications (1)

Application Number Title Priority Date Filing Date
FI823522A FI70258C (fi) 1981-10-19 1982-10-15 Foerfarande foer raffinering av ferrokrommetall

Country Status (22)

Country Link
US (1) US4426223A (no)
JP (1) JPS58136745A (no)
AT (1) AT382641B (no)
AU (1) AU534839B2 (no)
BR (1) BR8206065A (no)
CA (1) CA1199499A (no)
DE (1) DE3238174A1 (no)
ES (1) ES8308933A1 (no)
FI (1) FI70258C (no)
FR (1) FR2514785B1 (no)
GB (1) GB2110717B (no)
GR (1) GR76912B (no)
IN (1) IN158808B (no)
IT (1) IT1153269B (no)
MX (1) MX160059A (no)
NO (1) NO156494C (no)
RO (1) RO89015A (no)
SE (1) SE460908B (no)
TR (1) TR21724A (no)
WO (1) WO1983001462A1 (no)
YU (1) YU233682A (no)
ZW (1) ZW22082A1 (no)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1191517B (it) * 1986-04-22 1988-03-23 Necchi Spa Procedimento per l'adduzione di elementi chimici metallici in fusioni metalliche
WO1989007499A1 (en) * 1988-02-09 1989-08-24 The Broken Hill Proprietary Company Limited Superheating and microalloying of molten metal by contact with a plasma arc
DE102007016102A1 (de) * 2007-04-03 2008-10-09 Linde Ag Vorrichtung und Verfahren zur Behandlung von Metallschmelzen
RU2553118C1 (ru) * 2013-12-13 2015-06-10 Федеральное государственное унитарное предприятие "Центральный научно-исследовательский институт черной металлургии им. И.П. Бардина" Способ производства низкоуглеродистого феррохрома в электропечи
US10508319B1 (en) 2019-06-27 2019-12-17 MM Metals USA, LLC Method and system for producing low carbon ferrochrome from chromite ore and low carbon ferrochrome produced thereby

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US789093A (en) 1903-07-13 1905-05-02 Thomas E Hunt Furnace.
US1465576A (en) 1922-09-29 1923-08-21 Thomas G Biggs Index tag
US2845342A (en) 1953-03-12 1958-07-29 Strategic Udy Metallurg & Chem Method of recovering ferrochromium
GB789093A (en) * 1954-06-16 1958-01-15 Chromium Mining & Smelting Cor Improvements in or relating to the production of low carbon ferrochromium
US2776882A (en) 1955-12-19 1957-01-08 Union Carbide & Carbon Corp Decarburizing high-carbon ferrochromium
US3615349A (en) 1968-01-10 1971-10-26 William Bleloch Production of alloys of iron
JPS5414043B1 (no) 1969-12-23 1979-06-04
JPS5038050B2 (no) * 1971-12-29 1975-12-06
JPS52150320A (en) * 1976-06-10 1977-12-14 Nippon Steel Corp Production of low carbon ferrochromium

Also Published As

Publication number Publication date
ES516606A0 (es) 1983-10-01
AT382641B (de) 1987-03-25
YU233682A (en) 1985-03-20
SE460908B (sv) 1989-12-04
AU8928082A (en) 1983-05-19
AU534839B2 (en) 1984-02-16
BR8206065A (pt) 1983-09-13
NO823423L (no) 1983-04-20
NO156494B (no) 1987-06-22
SE8205893L (sv) 1983-04-20
GR76912B (no) 1984-09-04
FI823522L (fi) 1983-04-20
WO1983001462A1 (en) 1983-04-28
SE8205893D0 (sv) 1982-10-18
US4426223A (en) 1984-01-17
ATA383982A (de) 1986-08-15
RO89015A (ro) 1986-04-30
IN158808B (no) 1987-01-31
FR2514785A1 (fr) 1983-04-22
ES8308933A1 (es) 1983-10-01
GB2110717B (en) 1986-02-26
TR21724A (tr) 1985-04-25
JPS58136745A (ja) 1983-08-13
NO156494C (no) 1987-09-30
MX160059A (es) 1989-11-16
CA1199499A (en) 1986-01-21
FR2514785B1 (fr) 1986-05-09
GB2110717A (en) 1983-06-22
IT1153269B (it) 1987-01-14
IT8223821A0 (it) 1982-10-19
FI70258B (fi) 1986-02-28
ZW22082A1 (en) 1983-01-19
FI823522A0 (fi) 1982-10-15
DE3238174A1 (de) 1983-04-28
DE3238174C2 (no) 1990-10-11

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Legal Events

Date Code Title Description
MA Patent expired

Owner name: MIDDELBURG STEEL AND ALLOYS (PTY) LTD.

Owner name: COUNCIL FOR MINERAL TECHNOLOGY