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Selective separation of Mo and W from Mo-rich leach liquor is always a difficult task. The SX route is more costly, and for better process economy an inorganic route is preferred in terms of impurity removal. Spent HDS catalyst leach liquor of composition (in g/L): 17.11 Mo, 0.583W, 0.646 Ni, 0.052 Co, 0.005V and 0.152 P was taken for the present study. Impurity removal was investigated by adsorption...
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