Pyrometallurgical Recovery of Indium from Dental Metal Recycling Sludge by Chlorination Treatment with Ammonium Chloride
作者： Osamu Terakado , Takashi Saeki , Ryoji Irizato , Masahiro Hirasawa
DOI: 10.2320/MATERTRANS.M2010020
关键词:
摘要: In the present paper we address novel chlorination process for recovery of indium selectively from dental metal recycling sludge which contains considerably high amount indium. The is based on utilization ammonium chloride, NH 4 CI, as reagent. It was found that could be successfully recovered in form volatile chloride by heating mixture and Cl at temperature 400°C under inert atmosphere. influence parameters, such composition Cl, investigated order to achieve efficiency.
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