Corrosion 1 Electrodeposition 1 Electrodes 1 Electrolytes 1 Extracting agents 1 Fly ash 1 Heavy metals 1 Hydrometallurgical processing 1 Hydrometallurgy 1 Large amounts 1 Leaching 1 Lead acid batteries 1 Lead electrodeposition 1 Lead metallurgy 1 Lead oxide 1 Lead recovery 1 Lead sulfate 1 Linear polyamine 1 Linear polyamines Polyamines 1 Pyrometallurgical processing 1 Solid residues 1 Sulfur compounds 1 Triethylenetetramine 1