Eco-Friendly Method for Recovery of Bisphenol-A from Cd Waste over Nanoclay as the Solid Support

Abstract

Received polycarbonate wastes from used optical discs chemically recycled to Bisphenol-A by using water as the solvent, Cloisite 30B nanoclay and sodium hydroxide as the support and catalyst, respectively at convenient, green and ecofriendly conditions. The performances of the support in Bisphenol-A recovery yield were examined in comparison with the unsupported as well as nano-SiO 2 and nano-TiO 2 supported reactions. The optimum condition by having 90% recovery yield was found at 90 min when the reaction performed at equal waste/ solvent ratio, catalyst 1% and nanoclay 2%.

Performance of Fe3O4@SiO2 as the recyclable heterogeneous catalyst in the bisphenol A recovery from polycarbonate wastes

“…13 C NMR spectrum of recovered BPA. 4 13 C NMR: carbon nuclear magnetic resonance; BPA: bisphenol A.…”