ATA80452004A - PROCESS FOR REDUCING CR FROM CR-CONTAINING METALLURGICAL SLAG - Google Patents

PROCESS FOR REDUCING CR FROM CR-CONTAINING METALLURGICAL SLAG

Info

Publication number
ATA80452004A
ATA80452004A AT80452004A AT80452004A ATA80452004A AT A80452004 A ATA80452004 A AT A80452004A AT 80452004 A AT80452004 A AT 80452004A AT 80452004 A AT80452004 A AT 80452004A AT A80452004 A ATA80452004 A AT A80452004A
Authority
AT
Austria
Prior art keywords
reducing
metallurgical slag
containing metallurgical
slag
metallurgical
Prior art date
Application number
AT80452004A
Other languages
German (de)
Other versions
AT413107B (en
Original Assignee
Holcim Ltd
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 Holcim Ltd filed Critical Holcim Ltd
Priority to AT0804504A priority Critical patent/AT413107B/en
Publication of ATA80452004A publication Critical patent/ATA80452004A/en
Application granted granted Critical
Publication of AT413107B publication Critical patent/AT413107B/en

Links

Classifications

    • 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
    • C21C5/005—Manufacture of stainless steel
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B3/00—General features in the manufacture of pig-iron
    • C21B3/04—Recovery of by-products, e.g. slag
    • C21B3/06—Treatment of liquid slag
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2400/00—Treatment of slags originating from iron or steel processes
    • C21B2400/02—Physical or chemical treatment of slags
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2400/00—Treatment of slags originating from iron or steel processes
    • C21B2400/02—Physical or chemical treatment of slags
    • C21B2400/022—Methods of cooling or quenching molten slag
    • C21B2400/028—Methods of cooling or quenching molten slag with the permanent addition of cooled slag or other solids
    • 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
    • C21C5/527—Charging of the electric furnace
    • C21C2005/5276—Charging of the electric furnace with liquid or solid rest, e.g. pool, "sumpf"
    • 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
    • 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
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
AT0804504A 2004-05-18 2004-05-18 Reducing chromium content of metallurgical slags comprises adding them to bath of molten iron with low carbon content which is then raised while simultaneously adding energy AT413107B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT0804504A AT413107B (en) 2004-05-18 2004-05-18 Reducing chromium content of metallurgical slags comprises adding them to bath of molten iron with low carbon content which is then raised while simultaneously adding energy

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0804504A AT413107B (en) 2004-05-18 2004-05-18 Reducing chromium content of metallurgical slags comprises adding them to bath of molten iron with low carbon content which is then raised while simultaneously adding energy

Publications (2)

Publication Number Publication Date
ATA80452004A true ATA80452004A (en) 2005-04-15
AT413107B AT413107B (en) 2005-11-15

Family

ID=34427328

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0804504A AT413107B (en) 2004-05-18 2004-05-18 Reducing chromium content of metallurgical slags comprises adding them to bath of molten iron with low carbon content which is then raised while simultaneously adding energy

Country Status (1)

Country Link
AT (1) AT413107B (en)

Also Published As

Publication number Publication date
AT413107B (en) 2005-11-15

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Legal Events

Date Code Title Description
EIH Change in the person of patent owner
ELJ Ceased due to non-payment of the annual fee