JP2010517903A5 - - Google Patents

Info

Publication number

JP2010517903A5

JP2010517903A5 JP2009547659A JP2009547659A JP2010517903A5 JP 2010517903 A5 JP2010517903 A5 JP 2010517903A5 JP 2009547659 A JP2009547659 A JP 2009547659A JP 2009547659 A JP2009547659 A JP 2009547659A JP 2010517903 A5 JP2010517903 A5 JP 2010517903A5

Authority

JP

Japan

Prior art keywords

ammonium paratungstate

ammonia

mixer

phase

tetrahydrate

Prior art date

2008-01-29

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Granted

Links

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• -1 ammonium paratungstate tetrahydrate Chemical class 0.000 claims description 17
• 238000000034 method Methods 0.000 claims description 15
• QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 14
• 238000003756 stirring Methods 0.000 claims description 10
• 239000007864 aqueous solution Substances 0.000 claims description 9
• 239000000243 solution Substances 0.000 claims description 9
• 239000000126 substance Substances 0.000 claims description 8
• 229910021529 ammonia Inorganic materials 0.000 claims description 7
• 239000012074 organic phase Substances 0.000 claims description 7
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
• 239000012452 mother liquor Substances 0.000 claims description 5
• 239000012071 phase Substances 0.000 claims description 5
• WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 5
• 229910052721 tungsten Inorganic materials 0.000 claims description 5
• 239000010937 tungsten Substances 0.000 claims description 5
• 238000010438 heat treatment Methods 0.000 claims description 3
• 239000008367 deionised water Substances 0.000 claims description 2
• 229910021641 deionized water Inorganic materials 0.000 claims description 2
• 239000008346 aqueous phase Substances 0.000 claims 7
• 239000013078 crystal Substances 0.000 claims 4
• 238000001914 filtration Methods 0.000 claims 3
• 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 claims 2
• 238000000605 extraction Methods 0.000 claims 2
• 239000000203 mixture Substances 0.000 claims 2
• OYASCWOZHBYIGC-UHFFFAOYSA-N azane;tungsten Chemical compound N.[W] OYASCWOZHBYIGC-UHFFFAOYSA-N 0.000 claims 1
• 239000006185 dispersion Substances 0.000 claims 1
• 238000001556 precipitation Methods 0.000 claims 1
• 238000004062 sedimentation Methods 0.000 claims 1
• 238000000926 separation method Methods 0.000 claims 1
• 239000007787 solid Substances 0.000 claims 1
• 150000004691 decahydrates Chemical class 0.000 description 5
• 239000000725 suspension Substances 0.000 description 4
• 239000011343 solid material Substances 0.000 description 2
• 239000007858 starting material Substances 0.000 description 2
• QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
• 239000002253 acid Substances 0.000 description 1
• 239000007900 aqueous suspension Substances 0.000 description 1
• 238000004519 manufacturing process Methods 0.000 description 1
• 150000004685 tetrahydrates Chemical class 0.000 description 1