Title of article :
A PARAMETRIC STUDY ON THE SULFURIC ACID LEACHING OF VANADIUM OF AN IRANIAN THERMAL POWER PLANT ASH
Author/Authors :
Sheikhshab Bafghi، M. نويسنده School of Metallurgy and Materials Engineering, Iran University of Science and Technology, Tehran, Iran. , , Feiz، F. نويسنده School of Metallurgy and Materials Engineering, Iran University of Science and Technology, Tehran, Iran. , , Sakaki، M. نويسنده Department of Materials Engineering, Faculty of Engineering, Malayer University, Malayer, Iran. ,
Issue Information :
فصلنامه با شماره پیاپی 41 سال 2014
Abstract :
Vanadium recovery of Thermal Power Plant Ash (TPPA) is an attractive process which simultaneously
satisfies the pollution control standards regarding TPPA disposal and provides a valuable source of vanadium for
industrial demands. In the present research work, sulfuric acid leaching route has been employed for vanadium
recovery from an Iranian TPPA. Effects of acid concentration, temperature, acid/TPPA ratio, leaching time as well as
TPPA particle size on the leaching efficiency of vanadium have been investigated. Experimental results showed that
leaching efficiency of vanadium is significantly affected by the leaching conditions. The results revealed that with acid
concentration of about 15%, temperature around 75 °C, acid/TPPA ratio~15, leaching time about 120 minutes and
particle size of 75 - 150 ?m, almost 92% of vanadium can be dissolved.
Journal title :
Iranian Journal of Materials Science and Engineering
Journal title :
Iranian Journal of Materials Science and Engineering
