BR8102875A - Processo de dessulfuracao de um banho ferroso, processo de preparar um agente de dessulfuracao e respectivo agente de dessulfuracao - Google Patents
Processo de dessulfuracao de um banho ferroso, processo de preparar um agente de dessulfuracao e respectivo agente de dessulfuracaoInfo
- Publication number
- BR8102875A BR8102875A BR8102875A BR8102875A BR8102875A BR 8102875 A BR8102875 A BR 8102875A BR 8102875 A BR8102875 A BR 8102875A BR 8102875 A BR8102875 A BR 8102875A BR 8102875 A BR8102875 A BR 8102875A
- Authority
- BR
- Brazil
- Prior art keywords
- development agent
- preparing
- desulfuration
- desulphurizing
- lime
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 4
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 title abstract 2
- 238000006477 desulfuration reaction Methods 0.000 title 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 abstract 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 abstract 2
- 235000011941 Tilia x europaea Nutrition 0.000 abstract 2
- 239000003795 chemical substances by application Substances 0.000 abstract 2
- 239000004571 lime Substances 0.000 abstract 2
- 239000011148 porous material Substances 0.000 abstract 2
- 235000019738 Limestone Nutrition 0.000 abstract 1
- 238000001354 calcination Methods 0.000 abstract 1
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 abstract 1
- 229910001634 calcium fluoride Inorganic materials 0.000 abstract 1
- 239000006028 limestone Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000000155 melt Substances 0.000 abstract 1
- 239000002245 particle Substances 0.000 abstract 1
- 229910000029 sodium carbonate Inorganic materials 0.000 abstract 1
- 238000007711 solidification Methods 0.000 abstract 1
- 230000008023 solidification Effects 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
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Cosmetics (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
- Heat Treatment Of Articles (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8015566 | 1980-05-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR8102875A true BR8102875A (pt) | 1982-02-02 |
Family
ID=10513345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR8102875A BR8102875A (pt) | 1980-05-10 | 1981-05-08 | Processo de dessulfuracao de um banho ferroso, processo de preparar um agente de dessulfuracao e respectivo agente de dessulfuracao |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US4353739A (https=) |
| EP (1) | EP0040044B1 (https=) |
| JP (1) | JPS575814A (https=) |
| KR (1) | KR860000139B1 (https=) |
| AT (1) | ATE11931T1 (https=) |
| AU (1) | AU540331B2 (https=) |
| BR (1) | BR8102875A (https=) |
| CA (1) | CA1152335A (https=) |
| DE (1) | DE3169002D1 (https=) |
| ES (1) | ES502032A0 (https=) |
| IN (1) | IN155393B (https=) |
| MX (1) | MX155526A (https=) |
| ZA (1) | ZA812968B (https=) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2118209B (en) * | 1982-02-12 | 1986-06-04 | Showa Denko Kk | Refining agent of molten metal and methods for producing the same |
| DE3367787D1 (en) * | 1982-10-16 | 1987-01-08 | Foseco Int | Calcium oxide based flux compositions |
| 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 |
| US5397379A (en) * | 1993-09-22 | 1995-03-14 | Oglebay Norton Company | Process and additive for the ladle refining of steel |
| GB9511692D0 (en) * | 1995-06-09 | 1995-08-02 | Fosbel Int Ltd | A process for forming a refractory repair mass |
| US6179895B1 (en) | 1996-12-11 | 2001-01-30 | Performix Technologies, Ltd. | Basic tundish flux composition for steelmaking processes |
| US20050056120A1 (en) * | 2003-09-15 | 2005-03-17 | Flores-Morales Jose Ignacio | Desulphurization of ferrous materials using sodium silicate |
| US20050066772A1 (en) * | 2003-09-26 | 2005-03-31 | Flores-Morales Jose Ignacio | Desulphurization of ferrous materials using glass cullet |
| CN111979375B (zh) * | 2020-08-19 | 2022-04-29 | 武汉钢铁有限公司 | 铁水kr搅拌混合特性量化表征方法及智能脱硫方法 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1408188A1 (de) * | 1959-12-19 | 1968-10-17 | Hoesch Ag | Verfahren zur Entschwefelung von Roheisenbaedern |
| FR1335376A (fr) * | 1962-10-02 | 1963-08-16 | Hoesch Ag | Procédé de désulfuration de fonte brute |
| GB1284269A (en) * | 1969-03-19 | 1972-08-02 | Foseco Int | Production of metal-impregnated porous materials |
| DE2150965A1 (de) * | 1971-10-13 | 1973-04-26 | Salzgitter Peine Stahlwerke | Verfahren zur minderung der rauchentwicklung bei der roheisenentschwefelung und gemisch zur durchfuehrung des verfahrens |
| GB1484456A (en) * | 1973-11-27 | 1977-09-01 | Foseco Int | Flux composition for desulphurising molten metal |
| WO1979000398A1 (en) * | 1977-12-16 | 1979-07-12 | Foseco Int | Desulphurisation of ferrous metals |
| JPS54131521A (en) * | 1978-04-04 | 1979-10-12 | Showa Denko Kk | Antidigestive calcic smelting agent for steel |
| IT1156708B (it) * | 1978-04-21 | 1987-02-04 | Italsider Spa Nuova | Perfezionamento al processo di preparazione di materiali compositi per il trattamento di metalli fusi e manufatti cosi' ottenuti |
| US4266969A (en) * | 1980-01-22 | 1981-05-12 | Jones & Laughlin Steel Corporation | Desulfurization process |
-
1981
- 1981-05-05 ZA ZA00812968A patent/ZA812968B/xx unknown
- 1981-05-07 DE DE8181302005T patent/DE3169002D1/de not_active Expired
- 1981-05-07 US US06/261,685 patent/US4353739A/en not_active Expired - Fee Related
- 1981-05-07 AT AT81302005T patent/ATE11931T1/de not_active IP Right Cessation
- 1981-05-07 EP EP81302005A patent/EP0040044B1/en not_active Expired
- 1981-05-08 ES ES502032A patent/ES502032A0/es active Granted
- 1981-05-08 BR BR8102875A patent/BR8102875A/pt unknown
- 1981-05-08 JP JP7006081A patent/JPS575814A/ja active Granted
- 1981-05-08 CA CA000377192A patent/CA1152335A/en not_active Expired
- 1981-05-08 MX MX187199A patent/MX155526A/es unknown
- 1981-05-09 KR KR1019810001621A patent/KR860000139B1/ko not_active Expired
- 1981-05-11 AU AU70420/81A patent/AU540331B2/en not_active Ceased
- 1981-05-11 IN IN493/CAL/81A patent/IN155393B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62965B2 (https=) | 1987-01-10 |
| KR860000139B1 (ko) | 1986-02-26 |
| ES8206636A1 (es) | 1982-08-16 |
| MX155526A (es) | 1988-03-24 |
| CA1152335A (en) | 1983-08-23 |
| AU7042081A (en) | 1981-11-12 |
| ES502032A0 (es) | 1982-08-16 |
| EP0040044B1 (en) | 1985-02-20 |
| ZA812968B (en) | 1982-05-26 |
| KR830006444A (ko) | 1983-09-24 |
| US4353739A (en) | 1982-10-12 |
| IN155393B (https=) | 1985-01-19 |
| JPS575814A (en) | 1982-01-12 |
| EP0040044A1 (en) | 1981-11-18 |
| DE3169002D1 (en) | 1985-03-28 |
| AU540331B2 (en) | 1984-11-15 |
| ATE11931T1 (de) | 1985-03-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| BR8102875A (pt) | Processo de dessulfuracao de um banho ferroso, processo de preparar um agente de dessulfuracao e respectivo agente de dessulfuracao | |
| ATE150666T1 (de) | Verfahren zur herstellung von schwefelsorbentmitteln | |
| NO840700L (no) | Flytende stivningsakseleratorer for betongblandinger | |
| FI885362A7 (fi) | Pinta-alaltaan suuren, hienojakoisen saostetun kalsiumkarbonaatin ja mainittua kalsiumkarbonaattia sisältävien täytettyjen polymeeristen ainekoostumusten valmistusmenetelmä | |
| ATE204560T1 (de) | Verfahren zur reinigung von quasi-wasserfreien organischen flüssigkeiten | |
| ATE183826T1 (de) | Verfahren und silikatzusammensetzung zur konditionierung von silicaoberflächen | |
| DE3262713D1 (en) | Gel-forming composition based on alcali metal silicate | |
| PT86400A (en) | Process for preparing aqueous solutions containing a mixture of hysozyme hydrochloride and dipotassium glycyrrhizate | |
| ATE22578T1 (de) | Behandlungsmittel fuer stahlschmelzen. | |
| SE8103391L (sv) | Framstellning av en byggnadsskiva med upprullningsforfarande | |
| FR2511360B1 (fr) | Composition de verre sans alcali pour la production de masques de photogravure | |
| GB2325228B (en) | Process for purification of dimethyl sulphoxide (DMSO) | |
| BR9001556A (pt) | Processo para flotacao de mineral contendo metal alcalino assim como um agente usado na referida flotacao | |
| IT1166418B (it) | Procedimento per la produzione di solfato di ferro in granuli | |
| ES515251A0 (es) | "procedimiento de fabricacion de carbonato de sodio monohidratado". | |
| GB9810501D0 (en) | Process for purification of dimethyl sulphoxide (DMSO) | |
| BR8191970A (pt) | Processo de depuracao de solucoes contendo carbonato,sulfato,hidroxido ou hidrogenocarbonato alcalinos,assim como,principalmente,pelo menos um dos metais pertencentes ao grupo constituido por vanadio,uranio e milibdenio | |
| EP0330482A3 (en) | Method for producing chromium containing molten iron with low sulphur concentration | |
| BR8405854A (pt) | Processo para a producao de pelo menos um primeiro fluido ou fluido desejado contido numa formacao geologica | |
| PT81908B (pt) | Processo para a fabricacao de carbonato de sodio anidro denso | |
| PT76268A (fr) | Procede pour la realisation d'un melange pour la preparation de compositions pour l'absorption et l'accumulation de calories | |
| GB2043046B (en) | Manufacturing white or off-white lime sand bricks | |
| KR850700042A (ko) | 강철의 개재물형상 조절방법 | |
| DE3168626D1 (en) | Process for lowering the iron content of slags rich in cao formed in the course of the desulphurisation of pig iron | |
| Batham et al. | Desulfurization of Ferrous Melts |