According to relevant planning and calculation, the cumulative production of spent fuel in China in 2020 is about 10,000 tons. Ren Hongjun, deputy director of the Department of Systems Engineering of the National Defense Science and Technology Bureau, revealed on the 10th that the Sino-French nuclear fuel cycle back-end seminar co-sponsored by the China Nuclear Society and the French Areva Group, China will actively study and improve the storage and transportation of spent fuel. The company will vigorously promote the industrial and technological development of spent fuel reprocessing, fast reactor and MOX (uranium-plutonium mixed oxide) fuel manufacturing, properly solve the problem of radioactive waste treatment and set up, and actively promote the international cooperation of the nuclear fuel cycle.

Spent fuel, also known as irradiated nuclear fuel, is a nuclear fuel burned in a reactor. At present, China's mainland operates 22 nuclear power units with a total installed capacity of 20 million kilowatts; 26 nuclear power units under construction, with a total installed capacity of 28.45 million kilowatts, accounting for about 40% of the world's construction. By 2020, China's nuclear power generating units will reach 58 million kilowatts and 30 million kilowatts under construction. In August 2014, the State Council executive meeting made a new deployment of nuclear energy development, and proposed to vigorously develop clean energy and start construction of a number of coastal nuclear power projects. The continuous development of nuclear energy in China has placed an urgent need on the back-end construction of the nuclear fuel cycle.

Ren Hongjun said that as early as 1983, China established a route for nuclear energy development that must be processed accordingly, and clarified the important role of post-treatment in improving the utilization of uranium resources and reducing the amount of waste generated. After unremitting efforts, China has studied and mastered the main processes of post-treatment and key equipment manufacturing technologies, successfully built a pilot plant for power reactor spent fuel post-treatment, and built a number of major facilities and installations such as spent fuel post-treatment radiochemical comprehensive experimental facilities. The basic capacity has been significantly enhanced; the organization has carried out and actively promoted the post-processing of commercial post-processing, and promoted the capacity of the spent fuel reprocessing industry; began to implement the construction of high-level liquid waste glass solidification facilities, and initially completed the recovery and disposal of medium and low-level solid waste. The preparation capacity, a batch of solid waste treatment facilities were put into operation; the preliminary research work of the underground laboratory for high-level geological disposal has made positive progress, and the laboratory site comparison and selection work is being carried out in depth.

At present, China and France have achieved all-round and multi-level cooperation in the field of nuclear energy, covering nuclear power design, operation and nuclear safety. In 2013, CNNC and Areva signed a large-scale commercial post-treatment-recycling plant project in China. Academician Li Guanxing, chairman of the China Nuclear Society, said that after the project is completed, it will have an annual post-processing capacity of 800 tons of spent fuel, which will help improve the utilization of uranium resources, reduce the amount of nuclear waste and protect the environment.

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