FR2460336A1 - Procede de dephosphoration et de denitration de fonte contenant du chrome - Google Patents
Procede de dephosphoration et de denitration de fonte contenant du chrome Download PDFInfo
- Publication number
- FR2460336A1 FR2460336A1 FR8014091A FR8014091A FR2460336A1 FR 2460336 A1 FR2460336 A1 FR 2460336A1 FR 8014091 A FR8014091 A FR 8014091A FR 8014091 A FR8014091 A FR 8014091A FR 2460336 A1 FR2460336 A1 FR 2460336A1
- Authority
- FR
- France
- Prior art keywords
- slag
- treatment
- dephosphorization
- cast iron
- bath
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title abstract description 48
- 229910001018 Cast iron Inorganic materials 0.000 title abstract description 40
- 238000007254 oxidation reaction Methods 0.000 abstract description 31
- 230000003647 oxidation Effects 0.000 abstract description 30
- 239000000203 mixture Substances 0.000 abstract description 23
- 229910052751 metal Inorganic materials 0.000 abstract description 21
- 239000002184 metal Substances 0.000 abstract description 21
- 229910052760 oxygen Inorganic materials 0.000 abstract description 15
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 14
- 239000001301 oxygen Substances 0.000 abstract description 14
- 230000008018 melting Effects 0.000 abstract description 11
- 238000002844 melting Methods 0.000 abstract description 11
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 abstract description 10
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 abstract description 9
- 229910052808 lithium carbonate Inorganic materials 0.000 abstract description 9
- 230000007423 decrease Effects 0.000 abstract description 7
- FUJCRWPEOMXPAD-UHFFFAOYSA-N lithium oxide Chemical compound [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 abstract description 7
- 230000036961 partial effect Effects 0.000 abstract description 7
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 abstract description 6
- 229910000480 nickel oxide Inorganic materials 0.000 abstract description 5
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 abstract description 5
- 229910052784 alkaline earth metal Inorganic materials 0.000 abstract description 3
- 239000011261 inert gas Substances 0.000 abstract description 3
- 229910001947 lithium oxide Inorganic materials 0.000 abstract description 3
- 150000001342 alkaline earth metals Chemical class 0.000 abstract description 2
- 239000008267 milk Substances 0.000 abstract description 2
- 235000013336 milk Nutrition 0.000 abstract description 2
- 210000004080 milk Anatomy 0.000 abstract description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 abstract 1
- PMVSDNDAUGGCCE-TYYBGVCCSA-L Ferrous fumarate Chemical compound [Fe+2].[O-]C(=O)\C=C\C([O-])=O PMVSDNDAUGGCCE-TYYBGVCCSA-L 0.000 abstract 1
- 235000013365 dairy product Nutrition 0.000 abstract 1
- 150000002739 metals Chemical class 0.000 abstract 1
- 239000002893 slag Substances 0.000 description 109
- 239000011651 chromium Substances 0.000 description 54
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 34
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 27
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 25
- 150000001875 compounds Chemical class 0.000 description 25
- 239000000292 calcium oxide Substances 0.000 description 24
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 24
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 20
- 239000010931 gold Substances 0.000 description 20
- 229910052737 gold Inorganic materials 0.000 description 20
- 230000000052 comparative effect Effects 0.000 description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 17
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 16
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 15
- 229910052742 iron Inorganic materials 0.000 description 15
- 229910001634 calcium fluoride Inorganic materials 0.000 description 14
- 229910052698 phosphorus Inorganic materials 0.000 description 14
- 239000000155 melt Substances 0.000 description 13
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 10
- 229910052804 chromium Inorganic materials 0.000 description 10
- 239000004615 ingredient Substances 0.000 description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 9
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 9
- 229910052799 carbon Inorganic materials 0.000 description 9
- 239000000470 constituent Substances 0.000 description 9
- 239000011574 phosphorus Substances 0.000 description 9
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 8
- 229910052681 coesite Inorganic materials 0.000 description 8
- 229910052906 cristobalite Inorganic materials 0.000 description 8
- 229910052744 lithium Inorganic materials 0.000 description 8
- 229910052757 nitrogen Inorganic materials 0.000 description 8
- 229910052682 stishovite Inorganic materials 0.000 description 8
- 229910052905 tridymite Inorganic materials 0.000 description 8
- 235000013980 iron oxide Nutrition 0.000 description 7
- 239000000377 silicon dioxide Substances 0.000 description 7
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 6
- 150000001339 alkali metal compounds Chemical class 0.000 description 6
- 230000009931 harmful effect Effects 0.000 description 6
- 229910052710 silicon Inorganic materials 0.000 description 6
- 235000012239 silicon dioxide Nutrition 0.000 description 6
- 229910004261 CaF 2 Inorganic materials 0.000 description 5
- 229910004298 SiO 2 Inorganic materials 0.000 description 5
- 239000003153 chemical reaction reagent Substances 0.000 description 5
- 230000006698 induction Effects 0.000 description 5
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 229910052759 nickel Inorganic materials 0.000 description 5
- 230000001590 oxidative effect Effects 0.000 description 5
- 230000002829 reductive effect Effects 0.000 description 5
- 238000007670 refining Methods 0.000 description 5
- 230000008016 vaporization Effects 0.000 description 5
- 238000009834 vaporization Methods 0.000 description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- 229910000805 Pig iron Inorganic materials 0.000 description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- 229910001617 alkaline earth metal chloride Inorganic materials 0.000 description 4
- 229910000287 alkaline earth metal oxide Inorganic materials 0.000 description 4
- 229910052786 argon Inorganic materials 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 239000010439 graphite Substances 0.000 description 4
- 229910002804 graphite Inorganic materials 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- 101100326791 Caenorhabditis elegans cap-2 gene Proteins 0.000 description 3
- -1 MXg2 Chemical compound 0.000 description 3
- 229910052783 alkali metal Inorganic materials 0.000 description 3
- 229910000272 alkali metal oxide Inorganic materials 0.000 description 3
- 150000001340 alkali metals Chemical class 0.000 description 3
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 3
- 239000008246 gaseous mixture Substances 0.000 description 3
- 239000000395 magnesium oxide Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- 229910018068 Li 2 O Inorganic materials 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 235000010216 calcium carbonate Nutrition 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- 150000001805 chlorine compounds Chemical class 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000002939 deleterious effect Effects 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 239000001095 magnesium carbonate Substances 0.000 description 2
- 235000014380 magnesium carbonate Nutrition 0.000 description 2
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 2
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 2
- 239000002075 main ingredient Substances 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- 235000017550 sodium carbonate Nutrition 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 229910000288 alkali metal carbonate Inorganic materials 0.000 description 1
- 229910001514 alkali metal chloride Inorganic materials 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052810 boron oxide Inorganic materials 0.000 description 1
- 150000001642 boronic acid derivatives Chemical class 0.000 description 1
- 229940105847 calamine Drugs 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 235000011148 calcium chloride Nutrition 0.000 description 1
- WETINTNJFLGREW-UHFFFAOYSA-N calcium;iron;tetrahydrate Chemical compound O.O.O.O.[Ca].[Fe].[Fe] WETINTNJFLGREW-UHFFFAOYSA-N 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 229910000423 chromium oxide Inorganic materials 0.000 description 1
- 239000007799 cork Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000000254 damaging effect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 description 1
- XUCJHNOBJLKZNU-UHFFFAOYSA-M dilithium;hydroxide Chemical compound [Li+].[Li+].[OH-] XUCJHNOBJLKZNU-UHFFFAOYSA-M 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 150000002222 fluorine compounds Chemical class 0.000 description 1
- 239000010436 fluorite Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052864 hemimorphite Inorganic materials 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 230000002147 killing effect Effects 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000005070 ripening Effects 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- 235000014692 zinc oxide Nutrition 0.000 description 1
- CPYIZQLXMGRKSW-UHFFFAOYSA-N zinc;iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[Fe+3].[Fe+3].[Zn+2] CPYIZQLXMGRKSW-UHFFFAOYSA-N 0.000 description 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
- C21C1/00—Refining of pig-iron; Cast iron
- C21C1/02—Dephosphorising or desulfurising
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B5/00—Making pig-iron in the blast furnace
- C21B5/02—Making special pig-iron, e.g. by applying additives, e.g. oxides of other metals
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8128579A JPS565910A (en) | 1979-06-29 | 1979-06-29 | Dephosphorizing method of pig iron containing chromium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2460336A1 true FR2460336A1 (fr) | 1981-01-23 |
| FR2460336B1 FR2460336B1 (enExample) | 1984-05-04 |
Family
ID=13742095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8014091A Granted FR2460336A1 (fr) | 1979-06-29 | 1980-06-25 | Procede de dephosphoration et de denitration de fonte contenant du chrome |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4290803A (enExample) |
| JP (1) | JPS565910A (enExample) |
| DE (1) | DE3024308C2 (enExample) |
| FR (1) | FR2460336A1 (enExample) |
| GB (1) | GB2057015B (enExample) |
| SE (1) | SE437273B (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2546182A1 (fr) * | 1983-05-18 | 1984-11-23 | Nisshin Steel Co Ltd | Procede de production d'acier contenant du chrome a faible teneur en p |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58151416A (ja) * | 1982-03-03 | 1983-09-08 | Sumitomo Metal Ind Ltd | クロムを含む溶融鉄合金の脱燐・脱硫方法 |
| JPS5947349A (ja) * | 1982-09-09 | 1984-03-17 | Sumitomo Metal Ind Ltd | クロムを含む溶融鉄合金の脱燐・脱硫方法 |
| IT1234939B (it) * | 1985-12-06 | 1992-06-02 | Centro Speriment Metallurg | Procedimento per la riduzione del contenuto di impurezze nella ghisa |
| CA2035886C (en) * | 1989-07-08 | 2000-10-17 | Yoshio Nakajima | Method for dephosphorization of chromium-containing molten pig iron with reduced oxidation loss of chromium |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1062328A (fr) * | 1951-08-30 | 1954-04-21 | Procédé pour la déphosphoration de métaux, par exemple de la fonte et ins?ons pour la mise en oeuvre de ce procédé | |
| FR2096985A7 (en) * | 1970-07-23 | 1972-03-03 | Eurossid | Desulphurisation and dephosphorisation of ferrous metal - - by direct addn to melt in casting ladle |
| US3942977A (en) * | 1975-03-24 | 1976-03-09 | Foote Mineral Company | Process for making iron or steel utilizing lithium containing material as auxiliary slag formers |
| US3998624A (en) * | 1975-10-06 | 1976-12-21 | Mercier Corporation | Slag fluidizing agent and method of using same for iron and steel-making processes |
| JPS52105515A (en) * | 1976-03-03 | 1977-09-05 | Nippon Steel Corp | Dephosphorization of molten pig iron |
| FR2366365A1 (fr) * | 1976-09-30 | 1978-04-28 | Sumitomo Metal Ind | Procede de dephosphoration de la fonte liquide |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3172756A (en) * | 1965-03-09 | Process of dephosphorizing pig iron | ||
| US2333741A (en) * | 1942-09-29 | 1943-11-09 | Electro Metallurg Co | Manufacture of cast iron |
| US2504802A (en) * | 1944-09-27 | 1950-04-18 | Westinghouse Electric Corp | Brazing flux |
| US3179540A (en) * | 1963-05-21 | 1965-04-20 | Asinovskaja Gnesja Abramovna | Flux for soldering and low-temperature soldering-welding of cast iron by brass solders |
-
1979
- 1979-06-29 JP JP8128579A patent/JPS565910A/ja active Pending
-
1980
- 1980-06-13 US US06/159,097 patent/US4290803A/en not_active Expired - Lifetime
- 1980-06-20 GB GB8020243A patent/GB2057015B/en not_active Expired
- 1980-06-23 SE SE8004627A patent/SE437273B/sv not_active IP Right Cessation
- 1980-06-25 FR FR8014091A patent/FR2460336A1/fr active Granted
- 1980-06-27 DE DE3024308A patent/DE3024308C2/de not_active Expired
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1062328A (fr) * | 1951-08-30 | 1954-04-21 | Procédé pour la déphosphoration de métaux, par exemple de la fonte et ins?ons pour la mise en oeuvre de ce procédé | |
| FR2096985A7 (en) * | 1970-07-23 | 1972-03-03 | Eurossid | Desulphurisation and dephosphorisation of ferrous metal - - by direct addn to melt in casting ladle |
| US3942977A (en) * | 1975-03-24 | 1976-03-09 | Foote Mineral Company | Process for making iron or steel utilizing lithium containing material as auxiliary slag formers |
| US3998624A (en) * | 1975-10-06 | 1976-12-21 | Mercier Corporation | Slag fluidizing agent and method of using same for iron and steel-making processes |
| JPS52105515A (en) * | 1976-03-03 | 1977-09-05 | Nippon Steel Corp | Dephosphorization of molten pig iron |
| FR2366365A1 (fr) * | 1976-09-30 | 1978-04-28 | Sumitomo Metal Ind | Procede de dephosphoration de la fonte liquide |
Non-Patent Citations (1)
| Title |
|---|
| ABJP/77 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2546182A1 (fr) * | 1983-05-18 | 1984-11-23 | Nisshin Steel Co Ltd | Procede de production d'acier contenant du chrome a faible teneur en p |
Also Published As
| Publication number | Publication date |
|---|---|
| US4290803A (en) | 1981-09-22 |
| SE437273B (sv) | 1985-02-18 |
| DE3024308C2 (de) | 1983-08-11 |
| DE3024308A1 (de) | 1981-02-26 |
| JPS565910A (en) | 1981-01-22 |
| GB2057015A (en) | 1981-03-25 |
| GB2057015B (en) | 1983-01-12 |
| FR2460336B1 (enExample) | 1984-05-04 |
| SE8004627L (sv) | 1980-12-30 |
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