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采用冷浸废钒触煤提钾,离子交换法制备KNO_3,碱化焙烧浸出N_aNO_3,多钒酸铵法沉淀提取钒,加热分解制备高纯V_2O_5。
Coal was leached by cold leaching of vanadium to extract potassium, KNO_3 was prepared by ion exchange method, N_aNO_3 was leached by alkaline roasting, vanadium was precipitated by ammonium vanadate and heated to decompose to prepare high-purity V_2O_5.