Numerical analysis on heavy water separation characteristics for pair of bithermal trickle-bed type H2/H2O-exchange columns.
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概要
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In order to study how the operating pressure and temperature have influence on the heavy water separation characteristics for a pair of bithermal trickle-bed type H<SUB>2</SUB>/H<SUB>2</SUB>O-exchange columns packed with the hydrophobic Pt catalyst, the authors utilized the analytical expressions derived from the differential equations expressing the material balance of the three components, hydrogen, water vapor and water in the exchange column.<BR>The cases where the operating temperature in a hot column is 200°C, the deuterium enrichment factor is 3, the hydrogen superficial velocity is (0.2)×(Operating pressure (atm)) (Nm/s) and the column efficiency is high and low were studied. As the results, the optimum operating pressure is about 50 atm in both cold and hot column, the optimum operating temperature in a cold column is 100°C and other important parameters such as the optimum length of a cold and a hot column, the optimum hydrogen to feed water molar flow ratio and the optimum degradation ratio were also obtained.
- 一般社団法人 日本原子力学会の論文
著者
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TAKASHIMA Yoichi
Research Laboratory of Nuclear Reactor, Tokyo Institute of Technology
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KITAMOTO Asashi
Research Institute for Nuclear Reactor, Tokyo Institute of Technology
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SHIMIZU Masami
Power Reactor and Nuclear Fuel Development Corp.
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