DAI YUNXIU China National Nuclear Corporation June 3, 2010 Introduction of the Large Scale Reprocessing Plant in China IAEA-CN-178/12-04.

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Presentation transcript:

DAI YUNXIU China National Nuclear Corporation June 3, 2010 Introduction of the Large Scale Reprocessing Plant in China IAEA-CN-178/12-04

1 、 Basic information of the Plant 2 、 Progress of the Project 3 、 Site characteristics 4 、 R ＆ D of reprocessing 5 、 Product outlet 6 、 Concluding remarks Presentation Outline

Product form: UO 3 and (U)PuO 2 1 、 Basic information of the Plant

Plant capacity: 1 、 Basic information of the Plant Storage capacity 3,000 ～ 6000 tU reprocessing capacity 800 t/a

Design basis spent fuel: AFA-3G spent fuel 1 、 Basic information of the Plant Cladding material: M5 alloy Pellet material: UO U initial enrichment ： 4.45% （ by weight ） Burnup ： MWD/tU （ average ） MWD/tU （ max. ） Cooling time ： ≥8 years

Options of fuel receipt and storage: 1 、 Basic information of the Plant Wet unloading method Fuel storage pool

Head-end: 1 、 Basic information of the Plant Cut off by horizontal Shearing Machine Dissolved continuously in Dissolver Clarified by Settling Centrifuge

Separation and Purification: 1 、 Basic information of the Plant

Finishing: 1 、 Basic information of the Plant U stream concentrated by Evaporator denitrated by Fluidized Bed (U)Pu stream precipitated, filtrated and calcinated of (U)Pu oxalate

Radioactive waste treatment options 1 、 Basic information of the Plant First remove NOx,aerosol, C, and I etc., and then release into atmosphere For radioactive gaseous waste

1 、 Basic information of the Plant HLLW Process ILLW Non-process ILLW and LLLW Spent solvent For radioactive liquid waste

1 、 Basic information of the Plant Being classified and treated. Conditioned IL-LL solid wastes go to IL-LL waste disposal site. Conditioned α and HL solid wastes will be temporarily stored pending final deep geological disposal. For radioactive solid waste

Construction planning: 1 、 Basic information of the Plant Receiving spent fuel in 2018 Start up reprocessing in 2025

Siting: 2 、 Progress of the Project Performed both in the coast and inland area. The preliminary survey work of the inland site has been performed.

Preliminary feasibility study and the project proposal : 2 、 Progress of the Project The preliminary feasibility study works such as technical options, investment estimation and economic analysis etc. have been performed. The preliminary feasibility study report and the project proposal have been submitted to government for approval.

Cooperation with foreign countries: 2 、 Progress of the Project CNNC has contacted and discussed on the potential cooperation with relevant organizations and enterprises of Russia, France and UK. China welcome the countries or enterprises which have reprocessing ability to cooperate with China, if the conditions are permissible.

3 、 Site characteristics  The site is located in Gansu province.  The topography of the site is flat, and the slope of natural topography is about 1%.  The population density is very low within 20km.  There are no industrial, agricultural and health facilities within 15 km of the site.

Ability : 4 、 R&D of reprocessing Had constructed the reprocessing plant for the production reactor spent fuel. Has gain preliminary success for the hot test of the pilot plant for power reactor spent fuel. Has mastered the design and construct tech. R&D : Approved the R&D of reprocessing to further research key reprocessing technology, wishing to enable China ’ s reprocessing technology reach the world ’ s advanced level nowadays.

5 、 5 、 Product outlet Main outlet of the Products is to recycle them in thermal or fast reactors after being manufactured into UO 2 or MOX fuel. Chinese government is undergoing the study for the problem of the outlet of the Pu product, one of the options is to recycle them into fast reactors directly.

6 、 6 、 Concluding remarks China has decided to construct a large-scale spent fuel reprocessing plant, which is an important activity on the management of spent fuel in China. China has preliminarily mastered the design and construction technology of spent fuel reprocessing plant. China has confidence that the large plant can be successfully constructed. In order to speed up the construction, China welcome the countries or the enterprises which have reprocessing ability to cooperate with China, if the conditions are permissible.

THANK YOU !