%0 Journal Article
%T Mechanical activation and electrolysis of gold from goldsmith's waste
%A Jana Ficeriov¨˘
%J Acta Montanistica Slovaca
%D 2012
%I Technical University of Kosice
%X The intensification of the thiourea leaching of gold from goldsmith's waste (Ko ice, Slovakia) using mechanical activationas the pretreatment step. The leaching of ˇ°as-receivedˇ° sample in an acid thiourea solution resulted in 77 % Au dissolution, aftermechanical activation 98 % of the gold was leached during 120 min. The activation was performed in an attritor using variable millingtimes. The physico-chemical changes in the waste as a consequence of mechanical activation had a pronounced influenceon the subsequent gold extraction. Maximum recovery of gold was reached behind 60 minutes at optimum conditions of electrolysis.
%K waste
%K gold
%K mechanical activation
%K leaching
%K electrolysis
%U http://actamont.tuke.sk/pdf/2012/n1/5_Ficeriova.pdf