【摘要】 通过对CCl₄氯化UO₂反应的气、固相温度变化规律的研究和反应器构型及其中物料堆装方式的改进,降低了U的挥发损失,使U直接收率不低于97%。进一步研究发现,采用适宜CHCl₃浓度的CHCl₃-CCl₄混合氯化剂之后,大大降低了U的挥发损失,从而使U直接收率稳定在99%。产品中游离C含量低于100ppm。为氯化UO₂制取UCl₄,提高U直接收率,提出了新的方法。更多还原

【Abstract】 By studying the change of the temperature for gaseous space and solid layer within the reactor and improving structure of reactor and types of feed material stocked in the boat pan, it is possible to reduce the volatilization loss of uranium, allowing the uranium yield to rise above 97%. A further study found that chlorination of UO2 by using a mixture of CHC13 + CC14 can markedly decreasein the volatilization loss of uranium chlorides, and the uranium yield is above 99%. The content of free carbon is less than 100 ppm in the product. A new chlorination process has been developed.更多还原