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Abstract
Orange waste was crosslinked with sulfuric acid to immobilize the hesperetin-like molecule. Au(III) was selectively recovered from hydrochloric acid, exhibiting the negligible affinity to other precious metals and base metal ions. The isotherm demonstrated that the maximum loading capacity on the crosslinked orange waste is approximately 10 mol/kg, suggesting that orange waste has a high possibility for commercial application for gold recovery.
ACKNOWLEDGEMENTS
This study was supported by the Industrial Technology Research Grant Program in 2006 (06A18205c) from the New Energy and the Industrial Technology Development Organization (NEDO) of Japan.
