2011•Nonferrous MetalsRequires access

Indium Extraction by Sulfuric Acid Pressure-Oxidation Leaching Process from Tin Dust with Indium

Wang Wei-chang

Abstract

Sulfuric acid pressure-oxidation leaching process from tin dust with indium was studied.Effects of various factors on leaching had been investigated.The results show that leaching rate of indium can reach 93.66% under the conditions including ratio of liquid to solid of 4∶1,H2SO4 initial concentration of 150 g/L,leaching temperature of 150 ℃,oxygen partial pressure of 0.7 MPa,and leaching time of 150 min.

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Key concepts: Leaching (pedology), Indium, Sulfuric acid, Tin, Oxygen pressure, Materials science, Indium tin oxide, Inorganic chemistry