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Details of the time course of the main carboxylate anions formed during the electrorefining of the cashew nut wastewater at 100 mA cm–2 (ELC) and 6 mA cm–2 (ESC) current densities. Full symbols: waste tank; empty symbols: recovery tank. Box solid, oxalate; triangle up solid, formate; tilted square solid, acetate; circle solid, others.
