Preliminary Study on Gold Recovery from High Grade E-Waste by Thiourea Leaching and Electrowinning Ippolito, Nicolò Maria ; Birloaga, Ionela ; Ferella, Francesco ; Centofanti, Marcello ; Vegliò, Francesco Abstract Publication: Minerals Pub Date: February 2021 DOI: 10.3390/min11030235 Bibcode: 2021Mine...11..235I