Experimental Study for Characteristics of Cryogenic Distillation Column Having Feedback Stream with H-D-T System.
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概要
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Experimental studies for the column with a feedback stream have been performed for a H-D-T system. A side stream was recycled to the column through an equilibrator as an internal feed stream. The stage model approximately predicted the composition distribution within the column, and was applicable for the simulation of the column having the feedback stream. The feedback stream decomposed HD at the equilibrator into H<SUB>2</SUB> and D<SUB>2</SUB> ; purity of H<SUB>2</SUB> and D<SUB>2</SUB> in products was increased by30%. The experimental results indicated that the location and flow rate of the side stream were key parameters ; the side stream must be withdrawn from the location where concentration of HD is larger than an equilibrium composition ; and its flow rate should be chosen so that the amount of HD decomposed is almost equal to that supplied to the column. The large feed flow rate of the column having the feedback stream, which was summation of external and internal feed streams, varied the HETP especially for the upper part of the column. In the design stage of the column, it is required to prepare several different points for the side stream so that its location can be changed with the variation of the HETP.
- 一般社団法人 日本原子力学会の論文
著者
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Okuno Kenji
Tritium Engineering Laboratory Japan Atomic Energy Research Institute
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Yamanishi Toshihiko
Tritium Engineering Laboratory Japan Atomic Energy Research Institute
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ENOEDA Mikio
Tritium Engineering Laboratory, Japan Atomic Energy Research Institute
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