| Budget Amount *help |
¥25,740,000 (Direct Cost: ¥19,800,000、Indirect Cost: ¥5,940,000)
Fiscal Year 2010: ¥5,460,000 (Direct Cost: ¥4,200,000、Indirect Cost: ¥1,260,000)
Fiscal Year 2009: ¥12,610,000 (Direct Cost: ¥9,700,000、Indirect Cost: ¥2,910,000)
Fiscal Year 2008: ¥7,670,000 (Direct Cost: ¥5,900,000、Indirect Cost: ¥1,770,000)
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| Research Abstract |
A water-hydrogen chemical exchange column, packed with catalyst and hydrophilic packing in a random manner, was developed for a water detritiation system of a fusion reactor. The optimal value of the catalyst packing ratio was found to be about 30 %. A mass balance model, named "Channeling stage model" was developed for separative analysis of the chemical exchange column. Very large separation factor between hydrogen and tritium was obtained experimentally with a random-packed trickle bed chemical exchange column of 1 m length. The maximum value was 19200 when the flow rate of hydrogen gas was 5 L/min. The absolute value and flow rate dependence of the separative performance were well predicted by the Channeling stage model.
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