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KMID : 0371819960280050482
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Nuclear Engineering and Technology
1996 Volume.28 No. 5 p.482 ~ p.487
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Dissolved Oxygen Removal in a Column Packed with Catalyst
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Han-Soo Lee
Hongsuk Chung/Young-Hyun cho/Do-Hee Ahn/and Eun Kee Kim
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Abstract
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The dissolved oxygen removal by H2-O2 reaction in column packed with various catalysts wes examined. The catalysts employed were the prepared polymeric catalyst platinum on activated carbon, and Lewatit OC-1045 which is available commercially. The column experiments with the prepared polymeric catalyst showed the dissolved oxygen reduced to 35 ppb which is below the limit in feed water of power plants. This implies the likely application of the prepared catalyst for practical use. The activated carbon required the pre-treatment for the removal of dissolved oxygen, since the surface of activated carbon contains much oxygen adsorbed initially. The Lewatit catalyst exposed the best performance, however, the aged one showed the gradual loss of catalytic activity due to degradation of resin catalyst.
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