Abstract
Abstract Styrene–divinylbenzene copolymers containing –N(CH2CH2OH)2, –N(CH2CO2H)2, and –N(CH2PO(OH)2)2 moieties have been synthesized and applied to the selective adsorption of molybdenum and/or vanadium from aqueous solution. The equilibrium adsorption capacity vs. pH correlation and exchange kinetics of the resins for MoVI and VV have been studied. The resin containing bis(2-hydroxyethyl)amino group is particularly effective for the selective recovery of MoVI and/or VV by column operation due to its high adsorption capacity and faster exchange rate, whereas other resins required much longer time to attain adsorption equilibrium. The bis(2-hydroxyethyl)amino resin was used for the selective recovery of molybdenum from an acid-leaching solution of waste desulfurization catalyst.
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