Development of a ?20 mm annular centrifugal contactor for the hot test of the total TRPO process |
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| Authors: | Wuhua Duan Qin Cheng Xiuzhu Zhou Jiazhen Zhou |
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| Affiliation: | 1. Institute of Nuclear and New Energy Technology, Tsinghua University, P.O. Box 1021, Beijing 102201, China;2. School of Chemical and Biological Science and Engineering, Yantai University, Yantai 264005, China;1. Research Centre for Process Pollution Control, Institute of Process Engineering, Chinese Academy of Science, Beijing 100190, China;2. College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China |
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| Abstract: | Centrifugal contactors have many advantages and are favored for reprocessing of spent nuclear fuel and partitioning of high-level waste. A new ?20 mm annular centrifugal contactor for laboratory scale has been developed for the hot test of the total TRPO process. A modular design, a multi-stage group housing design and ceramic bearings are adopted in the new centrifugal contactor. A sampling system and a rotor speed acquisition and monitoring system for ?20 mm annular centrifugal contactors have been developed for tests in the hot cell. The hydraulic performance of both a single-stage centrifugal contactor and a three-stage cascade has been studied. The nominal throughput of the single-stage centrifugal contactor can reach 13.5 l/h under suitable operation conditions for H2O–kerosene system. The hydraulic performance of the three-stage cascade is also good. |
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