BE458931A - - Google Patents

Info

Publication number

BE458931A

BE458931A BE458931DA BE458931A BE 458931 A BE458931 A BE 458931A BE 458931D A BE458931D A BE 458931DA BE 458931 A BE458931 A BE 458931A

Authority

BE

Belgium

Prior art keywords

acid

tungstic

paratungstate

solution

water

Prior art date

Links

• Espacenet
• Global Dossier
• Discuss

• QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 18
• 238000000034 method Methods 0.000 claims description 10
• 229910021529 ammonia Inorganic materials 0.000 claims description 9
• 239000002253 acid Substances 0.000 claims description 8
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
• 238000009835 boiling Methods 0.000 claims description 6
• 238000004090 dissolution Methods 0.000 claims description 6
• 239000012535 impurity Substances 0.000 claims description 6
• CMPGARWFYBADJI-UHFFFAOYSA-L tungstic acid Chemical compound O[W](O)(=O)=O CMPGARWFYBADJI-UHFFFAOYSA-L 0.000 claims description 6
• XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
• VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
• 239000013078 crystal Substances 0.000 description 3
• VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
• ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
• 229910052742 iron Inorganic materials 0.000 description 2
• 238000004519 manufacturing process Methods 0.000 description 2
• 229910052750 molybdenum Inorganic materials 0.000 description 2
• 239000011733 molybdenum Substances 0.000 description 2
• 239000012452 mother liquor Substances 0.000 description 2
• 239000002244 precipitate Substances 0.000 description 2
• 239000000047 product Substances 0.000 description 2
• 238000011403 purification operation Methods 0.000 description 2
• 239000000377 silicon dioxide Substances 0.000 description 2
• WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
• 229910052721 tungsten Inorganic materials 0.000 description 2
• 239000010937 tungsten Substances 0.000 description 2
• ZNOKGRXACCSDPY-UHFFFAOYSA-N tungsten trioxide Chemical compound O=[W](=O)=O ZNOKGRXACCSDPY-UHFFFAOYSA-N 0.000 description 2
• DJHGAFSJWGLOIV-UHFFFAOYSA-K Arsenate3- Chemical class [O-][As]([O-])([O-])=O DJHGAFSJWGLOIV-UHFFFAOYSA-K 0.000 description 1
• 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
• GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
• KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 1
• 235000011941 Tilia x europaea Nutrition 0.000 description 1
• 150000007513 acids Chemical class 0.000 description 1
• -1 alkalis Chemical compound 0.000 description 1
• 229910052785 arsenic Inorganic materials 0.000 description 1
• RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
• 150000001875 compounds Chemical class 0.000 description 1
• 238000001816 cooling Methods 0.000 description 1
• 238000002425 crystallisation Methods 0.000 description 1
• 230000008025 crystallization Effects 0.000 description 1
• XAYGUHUYDMLJJV-UHFFFAOYSA-Z decaazanium;dioxido(dioxo)tungsten;hydron;trioxotungsten Chemical compound [H+].[H+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O XAYGUHUYDMLJJV-UHFFFAOYSA-Z 0.000 description 1
• 238000010908 decantation Methods 0.000 description 1
• 239000012153 distilled water Substances 0.000 description 1
• 230000005611 electricity Effects 0.000 description 1
• 230000008030 elimination Effects 0.000 description 1
• 238000003379 elimination reaction Methods 0.000 description 1
• 239000007789 gas Substances 0.000 description 1
• 238000010438 heat treatment Methods 0.000 description 1
• 238000009776 industrial production Methods 0.000 description 1
• 239000004571 lime Substances 0.000 description 1
• 229910017604 nitric acid Inorganic materials 0.000 description 1
• 229940072033 potash Drugs 0.000 description 1
• BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 1
• 235000015320 potassium carbonate Nutrition 0.000 description 1
• 230000002035 prolonged effect Effects 0.000 description 1
• 238000000746 purification Methods 0.000 description 1
• 238000005507 spraying Methods 0.000 description 1
• 239000000126 substance Substances 0.000 description 1
• 239000000725 suspension Substances 0.000 description 1
• PBYZMCDFOULPGH-UHFFFAOYSA-N tungstate Chemical compound [O-][W]([O-])(=O)=O PBYZMCDFOULPGH-UHFFFAOYSA-N 0.000 description 1
• AAWZNWVCESLFTD-UHFFFAOYSA-N tungsten;hydrate Chemical compound O.[W] AAWZNWVCESLFTD-UHFFFAOYSA-N 0.000 description 1