Decomposition Reaction of Mixed Rare Earth Concentrate and Roasted with CaO and NaCl

• 作 者: Wu Wenyuan Hu Guangyong Sun Sh
• 机 构: SchoolofMaterialandMetallurgy
• 出 处: 中国稀土学报：英文版
• 发表日期: 2004年z1期
• 关键词: METALLURGY technology rare earth CONCENTRATE decomposition reaction CALCIUM oxid
• 基金项目: Project support by the Excellence Teachers Foundation of the Ministry of Education (2002.10)

The reaction of the mixed rare earth concentrate including monazite ( REPO4 ) and bastnaesite ( REFCO3 )decomposed by CaO and NaCl additives at the temperature range from 100 to 1000 ℃ was studied by means of XRD and TG-DTA.The results show that when CaO