ZA802836B - Agent for desulfurizing crude iron and steel melts, and process for making it - Google Patents

Agent for desulfurizing crude iron and steel melts, and process for making it

Info

Publication number
ZA802836B
ZA802836B ZA00802836A ZA802836A ZA802836B ZA 802836 B ZA802836 B ZA 802836B ZA 00802836 A ZA00802836 A ZA 00802836A ZA 802836 A ZA802836 A ZA 802836A ZA 802836 B ZA802836 B ZA 802836B
Authority
ZA
South Africa
Prior art keywords
agent
desulfurizing
weight
size
less
Prior art date
Application number
ZA00802836A
Other languages
English (en)
Inventor
A Braun
G Strauss
W Portz
Original Assignee
Hoechst Ag
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 Hoechst Ag filed Critical Hoechst Ag
Publication of ZA802836B publication Critical patent/ZA802836B/xx

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
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/064—Dephosphorising; Desulfurising
    • C21C7/0645—Agents used for dephosphorising or desulfurising
    • 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

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)
  • Heat Treatment Of Steel (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
ZA00802836A 1979-05-14 1980-05-13 Agent for desulfurizing crude iron and steel melts, and process for making it ZA802836B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792919324 DE2919324A1 (de) 1979-05-14 1979-05-14 Entschweflungsmittel fuer roheisen- und stahlschmelzen sowie ein verfahren zu ihrer herstellung

Publications (1)

Publication Number Publication Date
ZA802836B true ZA802836B (en) 1981-06-24

Family

ID=6070655

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00802836A ZA802836B (en) 1979-05-14 1980-05-13 Agent for desulfurizing crude iron and steel melts, and process for making it

Country Status (9)

Country Link
US (1) US4323392A (ja)
EP (1) EP0019087B1 (ja)
JP (1) JPS55158212A (ja)
AT (1) ATE4227T1 (ja)
CA (1) CA1141964A (ja)
DE (2) DE2919324A1 (ja)
ES (1) ES491528A0 (ja)
NO (1) NO153108C (ja)
ZA (1) ZA802836B (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2920353A1 (de) * 1979-05-19 1980-11-27 Hoechst Ag Verfahren zur herstellung von entschweflungsmitteln fuer roheisen- oder stahlschmelzen
ES8200147A1 (es) * 1979-12-29 1981-11-01 Hoechst Ag Procedimiento para la preparacion de un agente para la de- sulfuracion de masas fundidas metalicas
DE2952686A1 (de) * 1979-12-29 1981-07-02 Hoechst Ag, 6230 Frankfurt Verfahren zur herstellung von entschwefelungsmitteln fuer roheisen- oder stahlschmelzen
DE3111510A1 (de) * 1981-03-24 1982-10-07 Hoechst Ag, 6000 Frankfurt Entschwefelungsgemisch und verfahren zu seiner herstellung
DE3111509A1 (de) * 1981-03-24 1982-10-07 Hoechst Ag, 6000 Frankfurt Verfahren zur herstellung von entschwefelungsmitteln fuer roheisen- oder stahlschmelzen
DE3908071A1 (de) * 1989-03-13 1990-09-20 Hoechst Ag Mittel und verfahren zum entschwefeln von metallschmelzen

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3666445A (en) * 1967-12-26 1972-05-30 Kaiser Ind Corp Auxiliary composition for steel-making furnaces
DE1758250B1 (de) * 1968-04-29 1971-10-28 Sueddeutsche Kalkstickstoff Mittel zum Entschwefeln von Eisenschmelzen
DE1919414B2 (de) * 1969-04-17 1977-07-14 Hoechst Ag, 6000 Frankfurt Verfahren und vorrichtung zum abkuehlen von in gefaesse abgestochenem calciumcarbid
DE1935567B2 (de) * 1969-07-12 1971-05-13 Knapsack AG, 5033 Hurth Knapsack Verfahren zur herstellung von calciumkarbid bestimmter qualitaet
DE2037758C3 (de) * 1970-07-30 1979-08-02 Hoechst Ag, 6000 Frankfurt Verfahren zur Herstellung von CaIciumkarbid zur Entschwefelung von Metallschmelzen
JPS554811B2 (ja) * 1973-06-13 1980-02-01
DE2741588C2 (de) * 1977-09-15 1985-02-07 Skw Trostberg Ag, 8223 Trostberg Mittel zum Entschwefeln von Eisenschmelzen

Also Published As

Publication number Publication date
ES8101121A1 (es) 1980-12-16
ATE4227T1 (de) 1983-08-15
DE3064206D1 (en) 1983-08-25
CA1141964A (en) 1983-03-01
DE2919324A1 (de) 1980-12-04
ES491528A0 (es) 1980-12-16
NO801420L (no) 1980-11-17
NO153108C (no) 1986-01-15
EP0019087B1 (de) 1983-07-20
US4323392A (en) 1982-04-06
JPS55158212A (en) 1980-12-09
NO153108B (no) 1985-10-07
EP0019087A1 (de) 1980-11-26
JPS6353244B2 (ja) 1988-10-21

Similar Documents

Publication Publication Date Title
ES8200719A1 (es) Procedimiento e instalacion para la pirolisis de productos de desecho con componentes que contienen halogenos, azufre y-o metales pesados.
ZA802836B (en) Agent for desulfurizing crude iron and steel melts, and process for making it
ZA796780B (en) Equipment to control the breakdown of material to be crushed,especially coal,into lumps of uniform size grading
ZA802943B (en) Production of agent for desulfurizing crude iron and steel melts
AU532989B2 (en) Desulfurizing agents for iron or steel melts and their manufacture
BR8201618A (pt) Processo para a preparacao de composicoes de dessulfuracao
GB1535515A (en) Manufacture of high-quality ceramics
GR64841B (en) Method for the production of raw materials for vidrification works by starting from blast furnace slags,and vidrifiable mixture containing such material
JPS57134522A (en) Manufacture of starting material for melting furnace
KR960023143A (ko) 일반탄에 의한 분체원료의 괴성화 방법