首页> 外文期刊>Journal of Nuclear Science and Technology >APPLICABILITY OF COMMERCIAL ADSORBENTS TO MULTI-COLUMN ADSORPTION SYSTEMS WITH CONDENSER FOR TRITIATED WATER VAPOR REMOVAL
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APPLICABILITY OF COMMERCIAL ADSORBENTS TO MULTI-COLUMN ADSORPTION SYSTEMS WITH CONDENSER FOR TRITIATED WATER VAPOR REMOVAL

机译:商业吸附剂在带冷凝水蒸气去除的带冷凝器的多柱吸附系统中的适用性

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In a previous paper; two types of multi-column adsorption system with condenser for removal of tritiated atmospheric moisture were proposed and the system performance was estimated by analyzing the necessary amount of adsorbent for columns. The analysis revealed that the necessary amount depends on the types of adsorption isotherm for water vapor on candidate adsorbents. In this paper, the applicability of commercial adsorbents to the systems is examined with respect to their empirical isotherms and then the following results are shown. The synthetic zeolites Molecular Sieves 4A and 5A, the Langmuir type, are recommendable for the proposed systems. The systems with the zeolites can carry out the cyclic adsorption process in economical use of adsorbent packed in each column with an enough margin of operational condition. The necessary amounts are dependent on the process moisture concentration but almost independent of adsorption temperature. Activated alumina, the BET type, is also applicable but is not so useful as the synthetic zeolites, because the necessary amount of activated alumina is large compared with the synthetic zeolites and is sensitively affected by adsorption temperature. [References: 3]
机译:在上一篇论文中;提出了两种带有冷凝器的多塔吸附系统,用于去除tri化的大气水分,并通过分析色谱柱所需的吸附剂量来评估系统性能。分析表明,必要的量取决于候选吸附剂上水蒸气的吸附等温线类型。在本文中,针对商业吸附剂的经验等温线进行了研究,然后得出以下结果。推荐的系统推荐使用Langmuir型的分子筛4A和5A合成沸石。具有沸石的系统可以经济地使用填充在每个塔中的吸附剂进行循环吸附过程,并且具有足够的操作条件裕度。所需的量取决于工艺中的水分浓度,但几乎与吸附温度无关。 BET类型的活性氧化铝也是适用的,但不如合成沸石有用,因为与合成沸石相比,活性氧化铝的必要量较大,并且受吸附温度的影响敏感。 [参考:3]

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