Abstract
The influence of the parameters of the leaching process on the degree of vanadium extraction into the solution from petroleum coke using concentrated (98%) and diluted (10%) sulfuric acids and a hydroxide sodium (12%) as a leaching reagent was studied. Among the measured process parameters were the ratio of solid (coke) and liquid (sulfuric acid) phases, leaching time, acid or alkaline concentration. The process temperature was chosen to be a constant value of 100 °C. The efficiency of vanadium extraction into the solution was estimated by the photometric method and was from 50% to 98%.
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