ELECTROCHEMICAL EXTRACTION AND CHARACTERIZATION OF A RECOVERY TIN
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2023-01-01
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Abstract
Statistics on the production of а secondary tin show that its use in many countries reaches a significant amount. One of the most important sources of secondary tin is a scrap of white sheet metal formed by stamping various products, waste from used cans, and other obsolete tin products. In the present work, using chemical, electrochemical and physical methods, a technology for dissolving tin from used cans in alkaline solutions with the addition of p-nitroaniline and its electroextraction from solutions is proposed. The optimal conditions of dissolution and extraction (concentration and temperature of the medium, current density, current yield), as well as the chemical composition of the obtained metal tin, are determined.