Elimination of vanadium and arsenic from VKCs catalysts
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Vanadium and arsenic eliminations from an alkaline leaching solution of spent VKCs catalysts were studied. To this end, several commercial resins or polymers synthesized in the laboratory were evaluated in a solid-liquid batch extraction. Conditions for an effective extraction of vanadium and arsenic were determined. An extraction process, using a glass column, is described for the recovery of the vanadium. The elimination of arsenic by precipitation is proposed.
Source:Separation Science and Technology, 1997, 32, 16, 2591-2605
- Marcel Dekker Inc, New York