BE352716A - - Google Patents

Info

Publication number

BE352716A

BE352716A BE352716DA BE352716A BE 352716 A BE352716 A BE 352716A BE 352716D A BE352716D A BE 352716DA BE 352716 A BE352716 A BE 352716A

Authority

BE

Belgium

Prior art keywords

slag

commercial

heated

silicon

converter

Prior art date

Links

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• 238000000034 method Methods 0.000 claims description 15
• 230000008569 process Effects 0.000 claims description 13
• 239000002893 slag Substances 0.000 claims description 13
• 229910052710 silicon Inorganic materials 0.000 claims description 11
• 239000010703 silicon Substances 0.000 claims description 11
• 150000001875 compounds Chemical class 0.000 claims description 7
• HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 6
• 239000003513 alkali Substances 0.000 claims description 6
• 230000001590 oxidative effect Effects 0.000 claims description 6
• 230000007935 neutral effect Effects 0.000 claims description 5
• 230000000694 effects Effects 0.000 claims description 4
• 229910000805 Pig iron Inorganic materials 0.000 claims description 3
• 150000001447 alkali salts Chemical class 0.000 claims description 3
• 239000011248 coating agent Substances 0.000 claims description 3
• 238000000576 coating method Methods 0.000 claims description 3
• 238000006477 desulfuration reaction Methods 0.000 claims description 3
• 230000023556 desulfurization Effects 0.000 claims description 3
• 230000009467 reduction Effects 0.000 claims description 3
• CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 2
• 230000003009 desulfurizing effect Effects 0.000 claims description 2
• 239000007789 gas Substances 0.000 claims description 2
• 239000007788 liquid Substances 0.000 claims description 2
• 239000000203 mixture Substances 0.000 claims description 2
• 235000011121 sodium hydroxide Nutrition 0.000 claims description 2
• 239000003795 chemical substances by application Substances 0.000 claims 1
• 238000011403 purification operation Methods 0.000 claims 1
• 238000003756 stirring Methods 0.000 claims 1
• 229910001018 Cast iron Inorganic materials 0.000 description 10
• XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 10
• 235000000396 iron Nutrition 0.000 description 7
• XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
• 230000009471 action Effects 0.000 description 3
• 230000008901 benefit Effects 0.000 description 3
• 229910052742 iron Inorganic materials 0.000 description 3
• 150000003568 thioethers Chemical class 0.000 description 3
• OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
• PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 2
• NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
• 229910052799 carbon Inorganic materials 0.000 description 2
• 239000000470 constituent Substances 0.000 description 2
• 238000002474 experimental method Methods 0.000 description 2
• 229910052748 manganese Inorganic materials 0.000 description 2
• 239000011572 manganese Substances 0.000 description 2
• 229910052717 sulfur Inorganic materials 0.000 description 2
• 239000011593 sulfur Substances 0.000 description 2
• 229910001060 Gray iron Inorganic materials 0.000 description 1
• 229910000831 Steel Inorganic materials 0.000 description 1
• 229910052910 alkali metal silicate Inorganic materials 0.000 description 1
• 238000007664 blowing Methods 0.000 description 1
• 230000008859 change Effects 0.000 description 1
• 238000006243 chemical reaction Methods 0.000 description 1
• 238000010276 construction Methods 0.000 description 1
• 238000011109 contamination Methods 0.000 description 1
• 230000002349 favourable effect Effects 0.000 description 1
• 239000012530 fluid Substances 0.000 description 1
• 238000010438 heat treatment Methods 0.000 description 1
• 229910052595 hematite Inorganic materials 0.000 description 1
• LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 description 1
• 238000004519 manufacturing process Methods 0.000 description 1
• 238000013021 overheating Methods 0.000 description 1
• 238000000746 purification Methods 0.000 description 1
• 239000010959 steel Substances 0.000 description 1
• 239000006228 supernatant Substances 0.000 description 1