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NaCl-CaCl₂对氧化钙分解独居石的影响

Influence of NaCl-CaCl₂ on Decomposing Monazite with CaO

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【Author】 SUN Shu-chen,WU Zhi-ying,BIAN Xue,GAO Bo,WU Wen-yuan,TU Gan-feng(School of Materials and Metallurgy,Northeastern University,Shenyang 110004,China)

【机构】东北大学材料与冶金学院；东北大学材料与冶金学院辽宁沈阳110004；辽宁沈阳110004；

【摘要】研究了NaCl-CaCl2对氧化钙分解独居石的热分解过程的影响,表明,NaCl-CaCl2的加入,使氧化钙分解独居石的分解温度降低。在此基础上研究了NaCl-CaCl2的加入量、焙烧温度和焙烧时间对氧化钙分解独居石分解率的影响,结果表明,NaCl-CaCl2的加入量为10%、焙烧温度750℃、焙烧时间1h的条件下,氧化钙分解独居石的分解率可达到79%。更多还原

【Abstract】 Influence of NaCl-CaCl2 on thermal decomposition of monazite with CaO is studied.The monazite is decomposed with CaO at lower temperature because of adding NaCl-CaCl2.On this basis,Influence of addition of NaCl-CaCl2,roasting temperature and roasting time on decomposition rate of monazite with CaO is studied.The results show the decomposition rate of monazite with CaO is 79% when the addition of NaCl-CaCl2 is 10%,the roasting temperature is 750℃,and the roasting time is 1h.更多还原