BE393099A - - Google Patents

Info

Publication number

BE393099A

BE393099A BE393099DA BE393099A BE 393099 A BE393099 A BE 393099A BE 393099D A BE393099D A BE 393099DA BE 393099 A BE393099 A BE 393099A

Authority

BE

Belgium

Prior art keywords

iron

chromium

solutions

parts

acid

Prior art date

Links

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• XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 18
• 229910052742 iron Inorganic materials 0.000 claims description 9
• 239000000243 solution Substances 0.000 claims description 8
• VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 7
• 239000002253 acid Substances 0.000 claims description 6
• 238000000034 method Methods 0.000 claims description 6
• 150000003839 salts Chemical class 0.000 claims description 6
• 229910052804 chromium Inorganic materials 0.000 claims description 5
• 239000011651 chromium Substances 0.000 claims description 5
• 150000001844 chromium Chemical class 0.000 claims description 4
• 239000012266 salt solution Substances 0.000 claims description 4
• CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 2
• 230000002378 acidificating effect Effects 0.000 claims description 2
• 238000001914 filtration Methods 0.000 claims description 2
• 239000002244 precipitate Substances 0.000 claims 1
• BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 5
• QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
• 229910000604 Ferrochrome Inorganic materials 0.000 description 3
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
• 235000003891 ferrous sulphate Nutrition 0.000 description 2
• 239000011790 ferrous sulphate Substances 0.000 description 2
• 229910000359 iron(II) sulfate Inorganic materials 0.000 description 2
• 239000010985 leather Substances 0.000 description 2
• 238000004519 manufacturing process Methods 0.000 description 2
• 239000002994 raw material Substances 0.000 description 2
• QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
• WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 1
• 239000003513 alkali Substances 0.000 description 1
• 150000001447 alkali salts Chemical class 0.000 description 1
• 229940037003 alum Drugs 0.000 description 1
• 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
• 239000003795 chemical substances by application Substances 0.000 description 1
• 229910000423 chromium oxide Inorganic materials 0.000 description 1
• 238000010411 cooking Methods 0.000 description 1
• 238000001816 cooling Methods 0.000 description 1
• SOCTUWSJJQCPFX-UHFFFAOYSA-N dichromate(2-) Chemical compound [O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O SOCTUWSJJQCPFX-UHFFFAOYSA-N 0.000 description 1
• 238000004090 dissolution Methods 0.000 description 1
• 230000008030 elimination Effects 0.000 description 1
• 238000003379 elimination reaction Methods 0.000 description 1
• 150000002506 iron compounds Chemical class 0.000 description 1
• UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
• 239000000203 mixture Substances 0.000 description 1
• PSZYNBSKGUBXEH-UHFFFAOYSA-N naphthalene-1-sulfonic acid Chemical compound C1=CC=C2C(S(=O)(=O)O)=CC=CC2=C1 PSZYNBSKGUBXEH-UHFFFAOYSA-N 0.000 description 1
• KVBGVZZKJNLNJU-UHFFFAOYSA-N naphthalene-2-sulfonic acid Chemical compound C1=CC=CC2=CC(S(=O)(=O)O)=CC=C21 KVBGVZZKJNLNJU-UHFFFAOYSA-N 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
• 229910021653 sulphate ion Inorganic materials 0.000 description 1