Recovery of yttrium oxide from titanium-aluminium based wastes
作者: Srećko StopićSebastian KallabisBernd Friedrich
作者单位: 1IME Process Metallurgy and Metal Recycling, RWTH Aachen University, Germany
刊名: Journal of Engineering & Processing Management, 2018, Vol.10 (1), pp.9-20
来源数据库: Faculty of Technology Zvornik, university of east Sarajevo
DOI: 10.7251/JEPM1810009S
关键词: Yttrium oxideHydrometallurgyLeachingRecycling
原始语种摘要: Yttrium belongs to the rare earth elements and critical metals. Yttrium oxide is mostly used in fluoroscent lamps, production of electrodes, in electronic filters, lasers, superconductors and as additives in various titanium-aluminium materials to improve their properties. Recovery of yttrium oxide from secondary sources such as red mud, coatings from ceramic industry and phosphors is extremely important. The main aim of this study is to examine the selective recovery of yttrium oxide from Al-Ti based secondary materials using one combined method based mostly on leaching for selective recovery of yttrium containing: crashing and grinding of materials, sieving, leaching of chosen fine fraction with hydrochloric acid, precipitation with oxalic acid in order to produce a pure yttrium...
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关键词翻译
关键词翻译
  • yttrium 
  • aluminium 
  • dissolution 溶解
  • oxide 氧化物
  • secondary 二次的
  • oxalate 草酸盐
  • temperature 温度
  • thermal 热的
  • titanium 
  • materials 工业三废