Solution chemistry of tungsten leaching systems

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Abstract

The dependence of tungsten leaching and solution purification processes on solution composition is treated in terms of aqueous phase diagrams (such as Eh-pH, log Metal-pH, log Anion-pH) generated with the DIAGRAM computer program. The systems considered are W-H2O, Me-W-H2O, Me-W-CO3-H2O, Mo-H2O, Me-Mo-H2O (Me=Ca, Mn, Fe); S-H2O, W-S-H2O, and Mo-S-H2O. These diagrams are examined in the context of selective dissolution of tungsten from scheelite and wolframite.

Original languageEnglish (US)
Pages (from-to)555-564
Number of pages10
JournalMetallurgical Transactions B
Volume13
Issue number4
DOIs
StatePublished - Dec 1982

All Science Journal Classification (ASJC) codes

  • Engineering(all)

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