ATE9232T1 - Verfahren zur herstellung eines entschwefelungsmittels fuer roheisen- und stahlschmelzen. - Google Patents
Verfahren zur herstellung eines entschwefelungsmittels fuer roheisen- und stahlschmelzen.Info
- Publication number
- ATE9232T1 ATE9232T1 AT82101428T AT82101428T ATE9232T1 AT E9232 T1 ATE9232 T1 AT E9232T1 AT 82101428 T AT82101428 T AT 82101428T AT 82101428 T AT82101428 T AT 82101428T AT E9232 T1 ATE9232 T1 AT E9232T1
- Authority
- AT
- Austria
- Prior art keywords
- steel
- manufacture
- pig iron
- cao
- mixtures
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 2
- 229910000805 Pig iron Inorganic materials 0.000 title 1
- 239000003795 chemical substances by application Substances 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
- 239000000203 mixture Substances 0.000 abstract 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 2
- 239000013078 crystal Substances 0.000 abstract 2
- 239000000155 melt Substances 0.000 abstract 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 abstract 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 abstract 1
- 235000011116 calcium hydroxide Nutrition 0.000 abstract 1
- 239000000920 calcium hydroxide Substances 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 abstract 1
- 238000006477 desulfuration reaction Methods 0.000 abstract 1
- 230000023556 desulfurization Effects 0.000 abstract 1
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
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)
- Manufacture And Refinement Of Metals (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19813111510 DE3111510A1 (de) | 1981-03-24 | 1981-03-24 | Entschwefelungsgemisch und verfahren zu seiner herstellung |
| EP82101428A EP0061012B1 (de) | 1981-03-24 | 1982-02-25 | Verfahren zur Herstellung eines Entschwefelungsmittels für Roheisen- und Stahlschmelzen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE9232T1 true ATE9232T1 (de) | 1984-09-15 |
Family
ID=6128140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT82101428T ATE9232T1 (de) | 1981-03-24 | 1982-02-25 | Verfahren zur herstellung eines entschwefelungsmittels fuer roheisen- und stahlschmelzen. |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4395282A (en]) |
| EP (1) | EP0061012B1 (en]) |
| JP (1) | JPS57171611A (en]) |
| AT (1) | ATE9232T1 (en]) |
| BR (1) | BR8201621A (en]) |
| CA (1) | CA1184385A (en]) |
| DD (1) | DD202182A5 (en]) |
| DE (2) | DE3111510A1 (en]) |
| ES (1) | ES510768A0 (en]) |
| ZA (1) | ZA821940B (en]) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1240842A (en) * | 1984-05-16 | 1988-08-23 | Heinrich Rellermeyer | Method, process and composition for desulfurizing pig-iron melts |
| 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 |
| BR8606249A (pt) * | 1985-12-17 | 1987-09-29 | Sueddeutsche Kalkstickstoff | Composicao finamente granulada para a dessulfuracao de ferro fundido e processo para sua preparacao |
| DE3908071A1 (de) * | 1989-03-13 | 1990-09-20 | Hoechst Ag | Mittel und verfahren zum entschwefeln von metallschmelzen |
| US5358550A (en) * | 1992-10-26 | 1994-10-25 | Rossborough Manufacturing Company | Desulfurization agent |
| US5407459A (en) * | 1993-09-23 | 1995-04-18 | Alcan International Limited | Process for the preparation of calcium aluminates from aluminum dross residues |
| AT406690B (de) * | 1994-12-09 | 2000-07-25 | Donau Chemie Ag | Mittel zur behandlung von roheisen- und gusseisenschmelzen zum zweck der entschwefelung |
| US6238633B1 (en) | 1997-06-30 | 2001-05-29 | Aluminum Waste Technology, Inc. | Process for preparing calcium aluminate from aluminum dross |
| 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 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH428820A (fr) * | 1963-12-12 | 1967-01-31 | Tech Entwicklung Und Verwertun | Produit d'affinage de l'acier |
| US3197306A (en) * | 1964-08-31 | 1965-07-27 | Dow Chemical Co | Method for treating ferrous metals |
| DE1758250B1 (de) * | 1968-04-29 | 1971-10-28 | Sueddeutsche Kalkstickstoff | Mittel zum Entschwefeln von Eisenschmelzen |
| DE2252795C3 (de) * | 1972-10-27 | 1982-09-09 | Skw Trostberg Ag, 8223 Trostberg | Entschwefelungsmittel für Roheisen- und Ferrolegierungsschmelzen |
| DE2326539C3 (de) * | 1973-05-24 | 1975-11-13 | Sueddeutsche Kalkstickstoff-Werke Ag, 8223 Trostberg | Verfahren zur Herstellung eines Entschwefelungsgemisches für Eisenschmelzen aus Calciumcarbid und mindestens einem wasserhaltigen Stoff |
| DE2741588C2 (de) * | 1977-09-15 | 1985-02-07 | Skw Trostberg Ag, 8223 Trostberg | Mittel zum Entschwefeln von Eisenschmelzen |
| DE2907069C3 (de) * | 1979-02-23 | 1981-12-10 | Krupp Stahl Ag, 4630 Bochum | Mittel zur Entschwefelung von Metallschmelzen |
| DE2919324A1 (de) * | 1979-05-14 | 1980-12-04 | Hoechst Ag | Entschweflungsmittel fuer roheisen- und stahlschmelzen sowie ein verfahren zu ihrer herstellung |
| 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 |
-
1981
- 1981-03-24 DE DE19813111510 patent/DE3111510A1/de not_active Withdrawn
-
1982
- 1982-02-25 AT AT82101428T patent/ATE9232T1/de not_active IP Right Cessation
- 1982-02-25 DE DE8282101428T patent/DE3260643D1/de not_active Expired
- 1982-02-25 EP EP82101428A patent/EP0061012B1/de not_active Expired
- 1982-03-16 CA CA000398496A patent/CA1184385A/en not_active Expired
- 1982-03-18 US US06/359,228 patent/US4395282A/en not_active Expired - Fee Related
- 1982-03-19 DD DD82238306A patent/DD202182A5/de unknown
- 1982-03-23 BR BR8201621A patent/BR8201621A/pt unknown
- 1982-03-23 ZA ZA821940A patent/ZA821940B/xx unknown
- 1982-03-24 JP JP57045747A patent/JPS57171611A/ja active Granted
- 1982-03-24 ES ES510768A patent/ES510768A0/es active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| EP0061012B1 (de) | 1984-09-05 |
| DE3260643D1 (en) | 1984-10-11 |
| CA1184385A (en) | 1985-03-26 |
| ES8302103A1 (es) | 1983-02-01 |
| JPH0152446B2 (en]) | 1989-11-08 |
| JPS57171611A (en) | 1982-10-22 |
| BR8201621A (pt) | 1983-02-16 |
| DD202182A5 (de) | 1983-08-31 |
| US4395282A (en) | 1983-07-26 |
| EP0061012A1 (de) | 1982-09-29 |
| ZA821940B (en) | 1983-02-23 |
| ES510768A0 (es) | 1983-02-01 |
| DE3111510A1 (de) | 1982-10-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| REN | Ceased due to non-payment of the annual fee |