The aim of this study is to examine the dissolution kinetics of zinc and manganese from spent zinc-carbon battery in sulphuric acid solution. To determine the kinetics of dissolution of the zinc and manganese in sulphuric acid medium, different shrinking core models were applied to the dissolution recoveries obtained at variable temperatures. Kinetics analysis showed that the zinc and manganese dissolution from spent zinc-carbon battery could be described by diffusion from product layer. The activation energies (Ea) and Arrhenius constants for the dissolution reactions were calculated.
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Author Name: Tevfik A?açayak  , Ali Aras 
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Keywords: Leaching, Dissolution kinetics, Zn–C battery, Activation energy