SAMPLING METHOD OF EXTRACTING URANIUM AND VANADIUM FROM A BLACK SLATE BY USING CONTINUOUS DIFFUSION PROCESS

摘要

PURPOSE: A sampling method of extracting uranium and vanadium is provided to increase leaching rate of vanadium and uranium by using the optimal leaching condition and to effectively extract uranium and vanadium from a black slate.;CONSTITUTION: A sampling method of extracting uranium and vanadium with a continuous diffusion process comprises the steps of: (S10) pulverizing and fracturing a black slate with, (S20) firstly leaching the fractured and pulverized black slate, (S30) separating solid from liquid after the first leaching, (S40) secondly leaching the separated solid after the first leaching and secondly separating solid from the liquid, (S50) performing the first leaching of the liquid with the second liquid separation with the pulverized and fractured black slate again and the first liquid separation again, (S60) solvent extracting uranium from the liquid of the first liquid separation and (S70) solvent extracting vanadium after oxidizing vanadium in the remaining raffinate after the solvent extraction of the uranium.;COPYRIGHT KIPO 2013;[Reference numerals] (S10) Pulverizing and fracturing a black slate; (S20) Firstly leaching the fractured and pulverized black slate; (S30) Firstly separating into solid and liquid after the first leaching; (S40) Secondly separating into solid and liquid after secondly leaching solid from the first solid-liquid separation; (S50) Firstly leaching the liquid separated from the second solid-liquid separation with the pulverized and fractured black slate and firstly separating into solid and liquid; (S60) Solvent extracting uranium from the liquid of the first solid-liquid separation; (S70) Solvent extracting vanadium after oxidizing vanadium in the remaining raffinate after the solvent extraction of the uranium