Utilization of spent PWR fuel-advanced nuclear fuel cycle of PWR/CANDU synergism

作     者：HUOXiao-Dong XIEZhong-Sheng 

作者机构：DepartmentofNuclearEngineeringXi＇anJiaotongUniversity.Xi＇an710049 

出 版 物：《Nuclear Science and Techniques》 (核技术（英文）)

年 卷 期：2004年第15卷第3期

页      面：183-187页

核心收录：

学科分类：08[工学] 082702[工学-核燃料循环与材料] 082701[工学-核能科学与工程] 0805[工学-材料科学与工程（可授工学、理学学位）] 0827[工学-核科学与技术] 

主　　题：核燃料循环 PWR 乏燃料 铀循环 CANDU 

摘      要：High neutron economy, on line refueling and channel design result in the unsurpassed fuel cycle flexibility and variety for CANDU reactors. According to the Chinese national conditions that China has both PWR and CANDU reactors and the closed cycle policy of reprocessing the spent PWR fuel is adopted, one of the advanced nuclear fuel cycles of PWR/CANDU synergism using the reprocessed uranium of spent PWR fuel in CANDU reactor is proposed, which will save the uranium resource (～22.5%), increase the energy output (～41%), decrease the quantity of spent fuels to be disposed (～2/3) and lower the cost of nuclear power. Because of the inherent flexibility of nuclear fuel cycle in CANDU reactor, and the low radiation level of recycled uranium(RU), which is acceptable for CANDU reactor fuel fabrication, the transition from the natural uranium to the RU can be completed without major modification of the reactor core structure and operation mode. It can be implemented in Qinshan Phase Ⅲ CANDU reactors with little or no requirement of big investment in new design. It can be expected that the reuse of recycled uranium of spent PWR fuel in CANDU reactor is a feasible and desirable strategy in China.