Abstract

In the present work, the use of lactose and whey as reducing agents for the acid leaching of manganiferous ores was investigated. The target of the leaching tests performed by using whey was to simulate the possible use of the byproducts of cheese industries as reducing agents for metal extractions. The experimental results were analyzed by the “response surface methodology” (RSM) to find empirical models suitable to predict metal extraction yields as functions of the main operative conditions. A preliminary process analysis has been performed and a flow-sheet for MnSO4 has been proposed.

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