BE445065A - - Google Patents

Info

Publication number

BE445065A

BE445065A BE445065DA BE445065A BE 445065 A BE445065 A BE 445065A BE 445065D A BE445065D A BE 445065DA BE 445065 A BE445065 A BE 445065A

Authority

BE

Belgium

Prior art keywords

chromium

slag

iron

process according

content

Prior art date

Links

• Espacenet
• Global Dossier
• Discuss

• 239000002893 slag Substances 0.000 claims description 57
• 229910052804 chromium Inorganic materials 0.000 claims description 44
• 239000011651 chromium Substances 0.000 claims description 44
• VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 43
• XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 34
• 229910045601 alloy Inorganic materials 0.000 claims description 23
• 239000000956 alloy Substances 0.000 claims description 23
• OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 19
• 229910052698 phosphorus Inorganic materials 0.000 claims description 19
• 239000011574 phosphorus Substances 0.000 claims description 19
• 229910052742 iron Inorganic materials 0.000 claims description 17
• 239000007788 liquid Substances 0.000 claims description 13
• 238000000034 method Methods 0.000 claims description 13
• UPHIPHFJVNKLMR-UHFFFAOYSA-N chromium iron Chemical compound [Cr].[Fe] UPHIPHFJVNKLMR-UHFFFAOYSA-N 0.000 claims description 11
• 239000007787 solid Substances 0.000 claims description 11
• 230000003647 oxidation Effects 0.000 claims description 10
• 238000007254 oxidation reaction Methods 0.000 claims description 10
• VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
• 238000002844 melting Methods 0.000 claims description 8
• 230000008018 melting Effects 0.000 claims description 8
• 230000001590 oxidative effect Effects 0.000 claims description 6
• XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 5
• 235000011837 pasties Nutrition 0.000 claims description 5
• 229910052710 silicon Inorganic materials 0.000 claims description 5
• 239000010703 silicon Substances 0.000 claims description 5
• 239000000377 silicon dioxide Substances 0.000 claims description 4
• 238000007792 addition Methods 0.000 claims description 3
• 230000000694 effects Effects 0.000 claims description 3
• 239000000463 material Substances 0.000 claims description 3
• PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 2
• UOUJSJZBMCDAEU-UHFFFAOYSA-N chromium(3+);oxygen(2-) Chemical class [O-2].[O-2].[O-2].[Cr+3].[Cr+3] UOUJSJZBMCDAEU-UHFFFAOYSA-N 0.000 claims description 2
• 229910052748 manganese Inorganic materials 0.000 claims description 2
• 239000011572 manganese Substances 0.000 claims description 2
• UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical class [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims 1
• 229910002090 carbon oxide Inorganic materials 0.000 claims 1
• WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims 1
• 229910000604 Ferrochrome Inorganic materials 0.000 description 10
• 238000004519 manufacturing process Methods 0.000 description 8
• 229910052751 metal Inorganic materials 0.000 description 6
• 239000002184 metal Substances 0.000 description 6
• 229910000599 Cr alloy Inorganic materials 0.000 description 3
• 238000010521 absorption reaction Methods 0.000 description 3
• 239000000788 chromium alloy Substances 0.000 description 3
• 230000007423 decrease Effects 0.000 description 3
• UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 3
• 239000000203 mixture Substances 0.000 description 3
• 229910001018 Cast iron Inorganic materials 0.000 description 2
• 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
• CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
• 235000011941 Tilia x europaea Nutrition 0.000 description 2
• 238000007664 blowing Methods 0.000 description 2
• 239000003795 chemical substances by application Substances 0.000 description 2
• 239000004571 lime Substances 0.000 description 2
• 229910000640 Fe alloy Inorganic materials 0.000 description 1
• BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
• 229910000831 Steel Inorganic materials 0.000 description 1
• 230000002411 adverse Effects 0.000 description 1
• 229910000287 alkaline earth metal oxide Inorganic materials 0.000 description 1
• 238000005275 alloying Methods 0.000 description 1
• 230000015572 biosynthetic process Effects 0.000 description 1
• 230000002349 favourable effect Effects 0.000 description 1
• BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
• 239000007791 liquid phase Substances 0.000 description 1
• 239000000395 magnesium oxide Substances 0.000 description 1
• NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 1
• 239000010959 steel Substances 0.000 description 1
• 239000000126 substance Substances 0.000 description 1
• 150000003568 thioethers Chemical class 0.000 description 1
• 230000009466 transformation Effects 0.000 description 1