– Highly selective individual separations of indium and tin from nitric acid and sulfuric acid-based indium-tin-oxide scrap solutions
– Highly selective separation of germanium and indium from a zinc tank house feed stream containing germanium, indium, molybdenum, cadmium, manganese, aluminum, zinc, iron, and copper
– Highly selective separations of chloride ion and fluoride ion from a simulated zinc electrolyte feed stream
– Flowsheets for germanium and indium and for chloride and fluoride separations