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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2015.1
- 수록면
- 859 - 866 (8page)
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초록· 키워드
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The aim of this work is to investigate the transport mechanism of radioactive nuclidesthrough the reverse osmosis (RO) membrane and to estimate its effectiveness for nuclideseparation from radioactive liquid waste. An analytical model is developed to simulate theRO separation, and a series of experiments are set up to confirm its estimated separationbehavior. The model is based on the extended NernstePlank equation, which handles theconvective flux, diffusive flux, and electromigration flux under electroneutrality and zeroelectric current conditions. The distribution coefficient which arises due to ion interactionswith the membrane material and the electric potential jump at the membrane interface areincluded as boundary conditions in solving the equation. A high Peclet approximation isadopted to simplify the calculation, but the effect of concentration polarization is includedfor a more accurate prediction of separation. Cobalt and cesium are specifically selected forthe experiments in order to check the separation mechanism from liquid waste composedof various radioactive nuclides and nonradioactive substances, and the results arecompared with the estimated cobalt and cesium rejections of the RO membrane using themodel. Experimental and calculated results are shown to be in excellent agreement. Theproposed model will be very useful for the prediction of separation behavior of variousradioactive nuclides by the RO membrane.
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참고문헌 (20)
참고문헌 신청
A. A. Moghissi / 1986 / Radioactive Waste Technology
A. J. Bard / 1980 / Electrochemical Methods / Wiley
B. S. Lee / 1997 / Performance evaluation of waste evaporators in Korea / EPRI International LLRW Conference, TR-111657
B.S. Lee / 2001 / Application of reverse osmosis technology to liquid radwaste management in PWR plants / 16th KAIF/KNS Annual Conference : 547 ~ 552
B.S. Parekh / 1988 / Chemical Industries; Volume 35, Reverse Osmosis Technology; Applications for High-purity-water Production / Marcel Dekker Inc
A. J. Bard / 1980 / Electrochemical Methods / Wiley
B. S. Lee / 1997 / Performance evaluation of waste evaporators in Korea / EPRI International LLRW Conference, TR-111657
B.S. Lee / 2001 / Application of reverse osmosis technology to liquid radwaste management in PWR plants / 16th KAIF/KNS Annual Conference : 547 ~ 552
B.S. Parekh / 1988 / Chemical Industries; Volume 35, Reverse Osmosis Technology; Applications for High-purity-water Production / Marcel Dekker Inc
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