BE494903A - - Google Patents

Info

Publication number

BE494903A

BE494903A BE494903DA BE494903A BE 494903 A BE494903 A BE 494903A BE 494903D A BE494903D A BE 494903DA BE 494903 A BE494903 A BE 494903A

Authority

BE

Belgium

Prior art keywords

chromium

carbon

ferro

rich

temperature

Prior art date

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• 229910052799 carbon Inorganic materials 0.000 claims description 40
• OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 37
• 229910000604 Ferrochrome Inorganic materials 0.000 claims description 29
• 239000008187 granular material Substances 0.000 claims description 25
• 238000000034 method Methods 0.000 claims description 14
• 230000008569 process Effects 0.000 claims description 12
• 239000002245 particle Substances 0.000 claims description 10
• 238000002844 melting Methods 0.000 claims description 9
• 230000008018 melting Effects 0.000 claims description 9
• 239000011651 chromium Substances 0.000 claims description 8
• 229910052804 chromium Inorganic materials 0.000 claims description 7
• QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
• 229910052760 oxygen Inorganic materials 0.000 claims description 6
• 239000001301 oxygen Substances 0.000 claims description 6
• XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 5
• 150000001721 carbon Chemical class 0.000 claims description 2
• 229910052742 iron Inorganic materials 0.000 claims description 2
• 238000005261 decarburization Methods 0.000 description 14
• 238000006243 chemical reaction Methods 0.000 description 8
• VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 7
• 239000000203 mixture Substances 0.000 description 7
• 239000007800 oxidant agent Substances 0.000 description 6
• 230000001590 oxidative effect Effects 0.000 description 4
• XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
• 229910052710 silicon Inorganic materials 0.000 description 3
• 239000010703 silicon Substances 0.000 description 3
• 229910000640 Fe alloy Inorganic materials 0.000 description 2
• WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 2
• VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
• 229910045601 alloy Inorganic materials 0.000 description 2
• 239000000956 alloy Substances 0.000 description 2
• 239000011230 binding agent Substances 0.000 description 2
• 239000007789 gas Substances 0.000 description 2
• 239000008103 glucose Substances 0.000 description 2
• 238000002156 mixing Methods 0.000 description 2
• 238000002360 preparation method Methods 0.000 description 2
• 238000000926 separation method Methods 0.000 description 2
• 239000007790 solid phase Substances 0.000 description 2
• 229910000599 Cr alloy Inorganic materials 0.000 description 1
• 229910000676 Si alloy Inorganic materials 0.000 description 1
• ZBHWCYGNOTVMJB-UHFFFAOYSA-N [C].[Cr].[Fe] Chemical compound [C].[Cr].[Fe] ZBHWCYGNOTVMJB-UHFFFAOYSA-N 0.000 description 1
• 230000002411 adverse Effects 0.000 description 1
• 230000008901 benefit Effects 0.000 description 1
• 230000015572 biosynthetic process Effects 0.000 description 1
• 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
• 229910052681 coesite Inorganic materials 0.000 description 1
• 230000000052 comparative effect Effects 0.000 description 1
• 229910052906 cristobalite Inorganic materials 0.000 description 1
• 230000007423 decrease Effects 0.000 description 1
• 230000002939 deleterious effect Effects 0.000 description 1
• 230000005496 eutectics Effects 0.000 description 1
• 230000004907 flux Effects 0.000 description 1
• 238000010438 heat treatment Methods 0.000 description 1
• 230000006872 improvement Effects 0.000 description 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 description 1
• 229910044991 metal oxide Inorganic materials 0.000 description 1
• 150000004706 metal oxides Chemical class 0.000 description 1
• 235000013379 molasses Nutrition 0.000 description 1
• 239000008188 pellet Substances 0.000 description 1
• 239000000843 powder Substances 0.000 description 1
• 230000002028 premature Effects 0.000 description 1
• 230000002035 prolonged effect Effects 0.000 description 1
• 239000002994 raw material Substances 0.000 description 1
• 239000000376 reactant Substances 0.000 description 1
• 230000009467 reduction Effects 0.000 description 1
• 238000011946 reduction process Methods 0.000 description 1
• 230000000717 retained effect Effects 0.000 description 1
• 150000003839 salts Chemical class 0.000 description 1
• 238000007789 sealing Methods 0.000 description 1
• 239000000377 silicon dioxide Substances 0.000 description 1
• 235000012239 silicon dioxide Nutrition 0.000 description 1
• 239000007787 solid Substances 0.000 description 1
• 229910052682 stishovite Inorganic materials 0.000 description 1
• 239000004575 stone Substances 0.000 description 1
• 238000010301 surface-oxidation reaction Methods 0.000 description 1
• 229910052905 tridymite Inorganic materials 0.000 description 1
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1