%0 Journal Article %T Modeling and optimization of zinc recovery from enyigba sphalerite in a binary solution of acetic acid and hydrogen peroxide %A NNANWUBE, I.A. %A UDEAJA, J.N. %A ONUKWULI, O.D. %J Sigma Journal of Engineering and Natural Sciences %D 2020 %V 38 %P 589-601 %R