IT1001677B - PROCEDURE FOR DESULPHURATING MOLTEN CRUDE IRON - Google Patents

PROCEDURE FOR DESULPHURATING MOLTEN CRUDE IRON

Info

Publication number
IT1001677B
IT1001677B IT31113/73A IT3111373A IT1001677B IT 1001677 B IT1001677 B IT 1001677B IT 31113/73 A IT31113/73 A IT 31113/73A IT 3111373 A IT3111373 A IT 3111373A IT 1001677 B IT1001677 B IT 1001677B
Authority
IT
Italy
Prior art keywords
desulphurating
procedure
crude iron
molten crude
molten
Prior art date
Application number
IT31113/73A
Other languages
Italian (it)
Original Assignee
Nippon Steel Corp
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 JP11163672A external-priority patent/JPS4970813A/ja
Priority claimed from JP2186673A external-priority patent/JPS5243170B2/ja
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Application granted granted Critical
Publication of IT1001677B publication Critical patent/IT1001677B/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
    • C21C1/00—Refining of pig-iron; Cast iron
    • C21C1/02—Dephosphorising or desulfurising

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)
IT31113/73A 1972-11-09 1973-11-09 PROCEDURE FOR DESULPHURATING MOLTEN CRUDE IRON IT1001677B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP11163672A JPS4970813A (en) 1972-11-09 1972-11-09
JP2186673A JPS5243170B2 (en) 1973-02-23 1973-02-23

Publications (1)

Publication Number Publication Date
IT1001677B true IT1001677B (en) 1976-04-30

Family

ID=26358994

Family Applications (1)

Application Number Title Priority Date Filing Date
IT31113/73A IT1001677B (en) 1972-11-09 1973-11-09 PROCEDURE FOR DESULPHURATING MOLTEN CRUDE IRON

Country Status (5)

Country Link
US (1) US3876421A (en)
BR (1) BR7308802D0 (en)
DE (1) DE2355736B2 (en)
IT (1) IT1001677B (en)
NL (1) NL7315376A (en)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2419070B2 (en) * 1974-04-20 1976-03-04 Thyssen Niederrhein AG Hütten- und Walzwerke, 4200 Oberhausen METHOD FOR PRODUCING STEEL WITH INCREASED TOUGH PROPERTIES
US4067730A (en) * 1974-04-20 1978-01-10 Thyssen Niederrhein Ag Hutten-Und Walzwerke Process for the production of steel with increased ductility
GB1586762A (en) * 1976-05-28 1981-03-25 British Steel Corp Metal refining method and apparatus
US4198229A (en) * 1976-06-28 1980-04-15 Nippon Steel Corporation Method of dephosphorization of metal or alloy
DE2708522C2 (en) * 1977-02-26 1985-02-14 Skw Trostberg Ag, 8223 Trostberg Treatment of iron melts with alkaline earth, carbidic and metallic agents by blowing in with a carrier gas
FR2432550A1 (en) * 1978-08-04 1980-02-29 Sueddeutsche Kalkstickstoff PROCESS FOR THE MANUFACTURE OF AN EASILY FLOWABLE PULVERULATED DESULFURIZATION MIXTURE
US4242126A (en) * 1979-07-11 1980-12-30 Skw Trostberg Aktiengesellschaft Process for the treatment of iron melts and for increasing the scrap portion in the converter
DE2934193A1 (en) * 1979-08-23 1981-03-26 Denki Kagaku Kogyo K.K., Tokio/Tokyo Desulphurising agent for molten pig iron - consists of mixt. of carbon, magnesium cpd., and calcium carbide
US4409028A (en) * 1979-10-24 1983-10-11 Moore William H Process for producing cast iron
US4315773A (en) * 1979-11-27 1982-02-16 Skw Trostberg Aktiengesellschaft Desulfurization mixture and process for desulfurizing pig iron
FR2473061A1 (en) * 1980-01-07 1981-07-10 Sueddeutsche Kalkstickstoff Dust and flame suppression during slag removal from molten iron - after desulphurisation of crude iron using agent contg. calcium carbide, graphite and polyethylene
USRE31676E (en) 1982-09-29 1984-09-18 Thyssen Aktiengesellschaft vorm August Thyssen-Hutte AG Method and apparatus for dispensing a fluidizable solid from a pressure vessel
DE3306782C2 (en) * 1983-02-23 1985-01-31 Mannesmann AG, 4000 Düsseldorf Process for treating molten steel
CA1240842A (en) * 1984-05-16 1988-08-23 Heinrich Rellermeyer Method, process and composition for desulfurizing pig-iron melts
US5358550A (en) * 1992-10-26 1994-10-25 Rossborough Manufacturing Company Desulfurization agent
CN1118173A (en) * 1993-12-21 1996-03-06 不来梅钢铁工厂有限公司 Process for extracting metal from metal ores
US5873924A (en) * 1997-04-07 1999-02-23 Reactive Metals & Alloys Corporation Desulfurizing mix and method for desulfurizing molten iron
JP3608439B2 (en) * 1999-07-05 2005-01-12 Ｊｆｅスチール株式会社 Desulfurization method of molten iron alloy
US6372014B1 (en) 2000-04-10 2002-04-16 Rossborough Manufacturing Co. L.P. Magnesium injection agent for ferrous metal
US6352570B1 (en) 2000-04-10 2002-03-05 Rossborough Manufacturing Co., Lp Magnesium desulfurization agent
US6770115B2 (en) * 2002-10-18 2004-08-03 Remacor, Inc. Process for magnesium granules
US6989040B2 (en) * 2002-10-30 2006-01-24 Gerald Zebrowski Reclaimed magnesium desulfurization agent
US7731778B2 (en) * 2006-03-27 2010-06-08 Magnesium Technologies Corporation Scrap bale for steel making process
US20080196548A1 (en) * 2007-02-16 2008-08-21 Magnesium Technologies Corporation Desulfurization puck
DE102011008691A1 (en) * 2011-01-15 2012-07-19 Mechthilde Döring-Freißmuth Agent, useful e.g. to treat metal melts, preferably for desulfurization of pig iron melts, comprises an element, in elemental and/or bonded state, comprising alkali metal, alkaline earth metal or earth metal (first Component) and bitumens
EP2663660A2 (en) 2011-01-15 2013-11-20 Almamet GmbH Agent for treating molten metals, method for the production and use thereof

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2577764A (en) * 1949-11-04 1951-12-11 Air Reduction Desulfurization of ferrous metals
US2870004A (en) * 1955-02-07 1959-01-20 Air Reduction Method of producing nodular cast iron
US2863755A (en) * 1957-04-22 1958-12-09 Union Carbide Corp Oil-treated calcium carbide for desulfurization of iron
US2979393A (en) * 1958-10-02 1961-04-11 Jr Russell Pearce Heuer Process of desulfurizing pig iron
US3158913A (en) * 1961-07-17 1964-12-01 American Metallurg Products Co Method of treating steel
AT270710B (en) * 1964-07-20 1969-05-12 Bot Brassert Oxygen Technik Ag Process for making steel by blowing oxygen
AT264560B (en) * 1966-08-25 1968-09-10 Gustav Dipl Ing Wolfram Basic steelmaking process
GB1148602A (en) * 1966-09-26 1969-04-16 Steel Co Of Wales Ltd Improvements in and relating to the treatment of metals
DE1907512A1 (en) * 1968-02-15 1972-03-09 Kobe Steel Ltd Process for removing arsenic from metals or metal alloys
GB1233278A (en) * 1968-10-23 1971-05-26
US3704230A (en) * 1970-02-17 1972-11-28 Carborundum Co Exothermic compositions

Also Published As

Publication number Publication date
DE2355736B2 (en) 1977-10-27
DE2355736A1 (en) 1974-05-22
US3876421A (en) 1975-04-08
BR7308802D0 (en) 1974-08-15
NL7315376A (en) 1974-05-13

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