ATE135748T1 - Entschwefelungsmittel - Google Patents

Entschwefelungsmittel

Info

Publication number
ATE135748T1
ATE135748T1 AT90305261T AT90305261T ATE135748T1 AT E135748 T1 ATE135748 T1 AT E135748T1 AT 90305261 T AT90305261 T AT 90305261T AT 90305261 T AT90305261 T AT 90305261T AT E135748 T1 ATE135748 T1 AT E135748T1
Authority
AT
Austria
Prior art keywords
oxide
agent
desulfulizer
iron
metal
Prior art date
Application number
AT90305261T
Other languages
English (en)
Inventor
Thomas K Mccluhan
Donald B Craig
Robert H Kaiser
Original Assignee
Elkem Metals
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
Priority claimed from US07/353,700 external-priority patent/US4941914A/en
Priority claimed from US07/493,301 external-priority patent/US5078784A/en
Application filed by Elkem Metals filed Critical Elkem Metals
Application granted granted Critical
Publication of ATE135748T1 publication Critical patent/ATE135748T1/de

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
    • C21C1/00—Refining of pig-iron; Cast iron
    • C21C1/02—Dephosphorising or desulfurising
    • C21C1/025—Agents used for dephosphorising or desulfurising
    • 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

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
AT90305261T 1989-05-18 1990-05-16 Entschwefelungsmittel ATE135748T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/353,700 US4941914A (en) 1989-05-18 1989-05-18 Desulfurization agent
US07/493,301 US5078784A (en) 1990-03-14 1990-03-14 Desulfurization agent

Publications (1)

Publication Number Publication Date
ATE135748T1 true ATE135748T1 (de) 1996-04-15

Family

ID=26998060

Family Applications (1)

Application Number Title Priority Date Filing Date
AT90305261T ATE135748T1 (de) 1989-05-18 1990-05-16 Entschwefelungsmittel

Country Status (6)

Country Link
EP (1) EP0398674B1 (de)
AT (1) ATE135748T1 (de)
DE (1) DE69025981T2 (de)
NO (1) NO179080C (de)
PL (1) PL168737B1 (de)
YU (1) YU47514B (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011116501C5 (de) 2011-10-20 2018-05-24 Almamet Gmbh Bitumen enthaltendes Entschwefelungsmittel
CN114875194B (zh) * 2022-04-25 2023-11-14 武汉钢铁有限公司 一种铁水石灰基kr高效脱硫剂及其制备方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2037758C3 (de) * 1970-07-30 1979-08-02 Hoechst Ag, 6000 Frankfurt Verfahren zur Herstellung von CaIciumkarbid zur Entschwefelung von Metallschmelzen
FR2432550A1 (fr) * 1978-08-04 1980-02-29 Sueddeutsche Kalkstickstoff Procede pour la fabrication d'un melange de desulfuration pulverulent facilement fluidifiable
DE2907069C3 (de) * 1979-02-23 1981-12-10 Krupp Stahl Ag, 4630 Bochum Mittel zur Entschwefelung von Metallschmelzen
US4572737A (en) * 1984-06-27 1986-02-25 The Boc Group, Inc. Agents for the removal of impurities from a molten metal and a process for producing same
DE3535280A1 (de) * 1985-10-03 1987-04-09 Hoechst Ag Entschwefelungsgemisch fuer metallschmelzen, ein verfahren zu seiner herstellung und seine verwendung
DE3544563C2 (de) * 1985-12-17 1998-07-16 Sueddeutsche Kalkstickstoff Mittel zur Entschwefelung von geschmolzenem Eisen
CA1286506C (en) * 1987-02-13 1991-07-23 William Kevin Kodatsky Method of desulfurizing iron

Also Published As

Publication number Publication date
EP0398674A2 (de) 1990-11-22
NO902154L (no) 1990-11-19
EP0398674A3 (de) 1991-04-10
PL168737B1 (pl) 1996-04-30
NO179080C (no) 1996-07-31
PL285228A1 (en) 1991-01-28
YU47514B (sh) 1995-10-03
DE69025981D1 (de) 1996-04-25
NO179080B (no) 1996-04-22
DE69025981T2 (de) 1996-10-10
EP0398674B1 (de) 1996-03-20
YU95590A (sh) 1994-01-20
NO902154D0 (no) 1990-05-15

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties