BE427002A - - Google Patents

Info

Publication number

BE427002A

BE427002A BE427002DA BE427002A BE 427002 A BE427002 A BE 427002A BE 427002D A BE427002D A BE 427002DA BE 427002 A BE427002 A BE 427002A

Authority

BE

Belgium

Prior art keywords

niobium

reduction operation

tantalum

subjected

raw material

Prior art date

Links

• Espacenet
• Global Dossier
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• 239000010955 niobium Substances 0.000 claims description 19
• 229910052715 tantalum Inorganic materials 0.000 claims description 12
• 229910052758 niobium Inorganic materials 0.000 claims description 11
• XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
• GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims description 9
• GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims description 8
• 239000005997 Calcium carbide Substances 0.000 claims description 5
• 229910052742 iron Inorganic materials 0.000 claims description 5
• 238000000034 method Methods 0.000 claims description 5
• 239000002994 raw material Substances 0.000 claims description 5
• CLZWAWBPWVRRGI-UHFFFAOYSA-N tert-butyl 2-[2-[2-[2-[bis[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]amino]-5-bromophenoxy]ethoxy]-4-methyl-n-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]anilino]acetate Chemical compound CC1=CC=C(N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)C(OCCOC=2C(=CC=C(Br)C=2)N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)=C1 CLZWAWBPWVRRGI-UHFFFAOYSA-N 0.000 claims description 5
• 229910001021 Ferroalloy Inorganic materials 0.000 claims description 4
• 239000000463 material Substances 0.000 claims description 4
• 239000007858 starting material Substances 0.000 claims description 3
• 229910045601 alloy Inorganic materials 0.000 claims description 2
• 239000000956 alloy Substances 0.000 claims description 2
• 239000002893 slag Substances 0.000 description 5
• 229910000592 Ferroniobium Inorganic materials 0.000 description 3
• 150000001875 compounds Chemical class 0.000 description 3
• ZFGFKQDDQUAJQP-UHFFFAOYSA-N iron niobium Chemical compound [Fe].[Fe].[Nb] ZFGFKQDDQUAJQP-UHFFFAOYSA-N 0.000 description 3
• 229910052751 metal Inorganic materials 0.000 description 2
• 239000002184 metal Substances 0.000 description 2
• 238000007670 refining Methods 0.000 description 2
• 239000006227 byproduct Substances 0.000 description 1
• 239000011575 calcium Substances 0.000 description 1
• 239000012530 fluid Substances 0.000 description 1
• 230000004907 flux Effects 0.000 description 1
• 239000000203 mixture Substances 0.000 description 1