2010•Materials Research and ApplicationRequires access

Effect of aqueous pH and the composition of organic phase on extracting vanadium from the stone-coal acid-leaching solution

Qian Tang

Abstract

The aqueous pH,the content of P204 and TBP have significant influence on the extraction rate of vanadium when using P204+TBP+sulfonated kerosene as extractants.It was found that the extraction rate of vanadium increased with the increase of the aqueous pH and the content of P204.The content of assisted extractant TBP should not be added too much.And the extraction efficiency is fairly good when the aqueous pH is 2.0-2.5 with 10%P204+5%TBP+85% sulfonated kerosene as extractants.

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Key concepts: Vanadium, Aqueous solution, Kerosene, Leaching (pedology), Extraction (chemistry), Chemistry, Aqueous two-phase system, Coal