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首页> 外文期刊>International journal of nuclear desalination >Challenges In The Design Of A Prototype Contactor Assembly For The Recovery Of Uranium From Seawater
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Challenges In The Design Of A Prototype Contactor Assembly For The Recovery Of Uranium From Seawater

机译：从海水中回收铀的原型接触器组件设计中的挑战

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摘要

The total estimated quantity of uranium in oceans is around four and a half billion tonnes. Harvesting uranium from seawater is much less taxing to the environment. Thus, when uranium is harvested from seawater with near-zero environmental burdens, it will become a totally green fuel in the hands of humankind, as uranium generates primary calories without giving CO_2 emissions and leaves no mill tailings at the recovery site while recovering it for use in reactors. To extract uranium from seawater, a contactor assembly that contains radiation-grafted polyacrylamid oxime (PAO) is used to trap the loosely bonded uranyl ion. Some of the design constraints for contractor assembly are the maximisation of the grafted sheet area and strength to withstand extreme marine conditions. The material should be compatible with the hot processing chemicals and be extremely cost effective, as well as lightweight. Design also has to take into account the ease of loading/unloading of grafted sheet modules, ease of replacement of grafted sheets, fixing of cage modules in seabed and load equilibrium even in high and low tide. This paper will cover the various challenges involved in designing a contactor assembly.
机译：海洋中铀的总估计量约为40亿吨。从海水中收集铀对环境的负担要少得多。因此，从环境负荷几乎为零的海水中收集铀时，铀将成为人类手中的完全绿色燃料，因为铀会产生主要卡路里而不会产生CO_2排放，并且在回收铀的过程中不会在回收现场留下工厂尾矿。在反应堆中使用。为了从海水中提取铀，包含辐射接枝聚丙烯酰胺肟（PAO）的接触器组件用于捕获松散结合的铀酰离子。承包商组装的一些设计约束是最大程度地提高了接枝板的面积和强度，以承受极端的海洋条件。该材料应与热加工化学品兼容，并且具有极高的成本效益以及轻便性。设计还必须考虑到接枝板模块的装卸便利性，接枝板的更换简易性，笼形模块在海床上的固定以及即使在涨潮和退潮时的负载平衡也要考虑在内。本文将涵盖设计接触器组件所涉及的各种挑战。

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