Vanadium-molybdenum separation
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The method for extracting vanadium and molybdenum from spent catalysts generally involves precipitating vanadium first and then molybdenum (although an extraction method can be used to extract molybdenum followed by the precipitation of ammonium molybdate). However, the supernatant after vanadium precipitation still contains some amount of vanadium. I intend to use resin exchange to remove the residual vanadium from this supernatant in order to purify it; additionally, this approach allows for the recovery of that vanadium as well. I would like to ask the experts here: what resin is best for adsorbing vanadium without adsorbing molybdenum, and that is also easier to use?
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