Processing conditions of effectively separating indium from the leaching solution of a smelting antimony slag were studied. For the leaching solution containing indium and antimony and iron ions, indium was separated ...Processing conditions of effectively separating indium from the leaching solution of a smelting antimony slag were studied. For the leaching solution containing indium and antimony and iron ions, indium was separated by extracting with HDEHP kerosine solution, washing antimony and iron ions with oxalic acid solution and stripping indium with a dilute solution of hydrochloric acid. InCl 3 solution with purity above 90% is obtained. Indium can be enriched through a circulation of stripping with a dilute HCl solution. The concentration of InCl 3 solution is about 25～30 g/L.展开更多
Because of the relatively high electron affinity of antimony, it is possible to obtain itsnegative ions by thermal ionization although it is not so easy. By means of reducing thework function on the surface of filamen...Because of the relatively high electron affinity of antimony, it is possible to obtain itsnegative ions by thermal ionization although it is not so easy. By means of reducing thework function on the surface of filament and introducing a kind of positive ion into展开更多
文摘Processing conditions of effectively separating indium from the leaching solution of a smelting antimony slag were studied. For the leaching solution containing indium and antimony and iron ions, indium was separated by extracting with HDEHP kerosine solution, washing antimony and iron ions with oxalic acid solution and stripping indium with a dilute solution of hydrochloric acid. InCl 3 solution with purity above 90% is obtained. Indium can be enriched through a circulation of stripping with a dilute HCl solution. The concentration of InCl 3 solution is about 25～30 g/L.
文摘Because of the relatively high electron affinity of antimony, it is possible to obtain itsnegative ions by thermal ionization although it is not so easy. By means of reducing thework function on the surface of filament and introducing a kind of positive ion into
