Innovative separation of Caesium and Strontium using flotation and magnetic particles, to convert large waste volumes into small waste packages

使用浮选和磁性颗粒创新分离铯和锶,将大量废物转化为小废物包

基本信息

  • 批准号:
    EP/M026426/1
  • 负责人:
  • 金额:
    $ 40.48万
  • 依托单位:
  • 依托单位国家:
    英国
  • 项目类别:
    Research Grant
  • 财政年份:
    2015
  • 资助国家:
    英国
  • 起止时间:
    2015 至 无数据
  • 项目状态:
    已结题

项目摘要

Both the UK and Republic of Korea governments have a strategy to maintain (in the UK) or increase (in the ROK where capacity is planned to increase by 59% by 2022) the level of nuclear power generation in order to provide "low-carbon" energy. The two countries have a long and established civil nuclear industry; producing legacy sites and materials which will need to be managed. There is a clear imperative, given the needs of both new build reactors and legacy wastes, to develop innovative approaches to waste management and decommissioning for safe and cost effective answers to storage and disposal issues. The treatment of radioactive effluent streams is one of the common yet challenging tasks facing almost all nuclear facilities, whether active plants or decommissioning sites. Various liquid streams from cooling ponds to fuel reprocessing require immediate processing to reduce the activity for safe discharge. While low efficiency removal routes in on-going plant operations can lead to long term environmental accumulation in land and sea, the sudden release of mobile radioactive ions can lead to severe environmental contamination. The acute difficulties of treating large volumes of effluent following major nuclear incidents such as Fukushima, highlights the requirements for new flexible technology. The release of cesium-137 (137Cs) and strontium-90 (90Sr) in particular pose substantial safety and environmental concern due to their high fission yield and significant half-lives (t1/2 ~ 29 years). Once released into the biosphere there is a high potential for the fission products to undergo a series of chemical and geochemical processes that ultimately impact human health. Methods to assist in remediation face substantial scientific and engineering challenges associated with: i) complex interactions between the fission products and the environment, and ii) the requirement to process large volumes of waste. In this UK-Republic of Korea project, a new concept based on dual-bubble flotation and magnetic separation will be studied to treat radioactively (Cs and Sr) contaminated environments. The 3-stage process: i) Cs+ and Sr2+ adsorption, ii) heterogeneous-bubble nucleation and flotation, and iii) magnetic separation and volume reduction will proceed in series to transform large waste volumes into small waste packages suitable for interim storage. Surface wettability-based flotation is chosen as the most appropriate method for remediation due to its versatility and applicability for processing large waste volumes. In combination with hydrodynamic cavitation, the process will be capable of separating contaminated particles (fine clays and magnetic carriers) from the unwanted gangue to produce a froth that can be further treated by applying a magnetic field to control the rate of froth destabilization, but also and quite importantly control the overall volume of the waste package. The research will lay scientific foundation for developing revolutionary technology to treat environmentally contaminated land (aqueous and soils). The scientific/engineering approach has the potential to develop a technological step-forward for global decommissioning programmes and the remediation of legacy nuclear sites, such that the footprint of nuclear power has no long lasting impact on the environment.
英国和韩国政府都制定了一项战略,以维持(在英国)或增加(在韩国,计划到2022年将容量增加59%)核能发电水平,以提供“低碳”能源。这两个国家拥有悠久而成熟的民用核工业;产生需要管理的遗留场地和材料。鉴于新建反应堆和遗留废物的需求,开发废物管理和退役的创新方法,以安全和具有成本效益的方式解决储存和处置问题,这是一个明确的当务之急。 放射性流出物流的处理是几乎所有核设施面临的共同但具有挑战性的任务之一,无论是在役核电站还是退役核电站。从冷却池到燃料后处理的各种液体流需要立即处理,以减少放射性,从而实现安全排放。虽然正在进行的工厂操作中的低效率去除路线可导致陆地和海洋中的长期环境累积,但移动的放射性离子的突然释放可导致严重的环境污染。在福岛等重大核事故之后,处理大量废水的严重困难突出表明需要新的灵活技术。特别是铯-137(137 Cs)和锶-90(90 Sr)的释放由于其高裂变产额和显著的半衰期(t1/2 ~ 29年)而引起重大的安全和环境问题。一旦释放到生物圈中,裂变产物很有可能经历一系列化学和地球化学过程,最终影响人类健康。协助补救的方法面临着与以下方面相关的重大科学和工程挑战:i)裂变产物与环境之间的复杂相互作用,以及ii)处理大量废物的要求。 在这一联合王国-大韩民国项目中,将研究一种基于双泡浮选和磁分离的新概念,以处理放射性(铯和锶)污染的环境。三阶段过程:i)Cs+和Sr 2+吸附,ii)异相气泡成核和浮选,以及iii)磁分离和体积减小将连续进行,以将大量废物转化为适合临时储存的小型废物包装。 基于表面润湿性的浮选被选为最合适的补救方法,因为它的多功能性和处理大量废物的适用性。与水力空化相结合,该方法将能够从不需要的脉石中分离污染的颗粒(细粘土和磁性载体)以产生泡沫,该泡沫可以通过施加磁场来进一步处理以控制泡沫去稳定化的速率,而且还非常重要地控制废物包装的总体积。 该研究将为开发革命性的技术来处理环境污染的土地(水和土壤)奠定科学基础。科学/工程方法有可能为全球退役方案和遗留核场址的补救提供技术进步,使核电的足迹不会对环境产生长期影响。

项目成果

期刊论文数量(10)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Nanostructured potassium copper hexacyanoferrate-cellulose hydrogel for selective and rapid cesium adsorption
  • DOI:
    10.1016/j.cej.2016.10.136
  • 发表时间:
    2017-04-01
  • 期刊:
  • 影响因子:
    15.1
  • 作者:
    Kim, Yonghwan;Kim, Yun Kon;Lee, Jae W.
  • 通讯作者:
    Lee, Jae W.
The effect of cationic surfactants on improving natural clinoptilolite for the flotation of cesium.
  • DOI:
    10.1016/j.jhazmat.2020.123567
  • 发表时间:
    2020-07
  • 期刊:
  • 影响因子:
    13.6
  • 作者:
    Muhammad Yusuf Prajitno;S. Tangparitkul;Huagui Zhang;D. Harbottle;T. Hunter
  • 通讯作者:
    Muhammad Yusuf Prajitno;S. Tangparitkul;Huagui Zhang;D. Harbottle;T. Hunter
Synthesis of functionalized porous montmorillonite via solid-state NaOH treatment for efficient removal of cesium and strontium ions
  • DOI:
    10.1016/j.apsusc.2018.04.181
  • 发表时间:
    2018-08-30
  • 期刊:
  • 影响因子:
    6.7
  • 作者:
    Kim, Yonghwan;Kim, Yun Kon;Lee, Jae W.
  • 通讯作者:
    Lee, Jae W.
Facile one-pot synthesis of dual-cation incorporated titanosilicate and its deposition to membrane surfaces for simultaneous removal of Cs+ and Sr2+
  • DOI:
    10.1016/j.apsusc.2019.07.008
  • 发表时间:
    2019-11-01
  • 期刊:
  • 影响因子:
    6.7
  • 作者:
    Kim, Yun Kon;Kim, Sungjun;Lee, Jae W.
  • 通讯作者:
    Lee, Jae W.
Solvent-assisted synthesis of potassium copper hexacyanoferrate embedded 3D-interconnected porous hydrogel for highly selective and rapid cesium ion removal
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David Harbottle其他文献

CuCo carbon aerogel as a bifunctional cathode for Electro-Fenton processes: Unveiling synergistic effects and catalytic mechanisms
CuCo碳气凝胶作为电芬顿过程的双功能阴极:揭示协同效应和催化机制
  • DOI:
    10.1016/j.seppur.2025.131597
  • 发表时间:
    2025-07-19
  • 期刊:
  • 影响因子:
    9.000
  • 作者:
    Qian Ye;Timothy N. Hunter;Hao Xu;David Harbottle;Girish M. Kale;Martin R. Tillotson
  • 通讯作者:
    Martin R. Tillotson
Bio-Inspired Preparation of Clay–Hexacyanoferrate Composite Hydrogels as Super Adsorbents for Cs+
仿生制备粘土-六氰基铁酸盐复合水凝胶作为 Cs 超级吸附剂
  • DOI:
    10.1021/acsami.0c06598
  • 发表时间:
    2020
  • 期刊:
  • 影响因子:
    9.5
  • 作者:
    Huagui Zhang;Chris S. Hodges;Prashant Kumar Mishra;Ji Young Yoon;Timothy N. Hunter;Jae Woo Lee;David Harbottle
  • 通讯作者:
    David Harbottle
3D printing of Pickering emulsions, Pickering foams and capillary suspensions – A review of stabilization, rheology and applications
皮克林乳液、皮克林泡沫和毛细管悬浮液的 3D 打印——稳定性、流变学和应用综述
  • DOI:
    10.1016/j.cis.2024.103274
  • 发表时间:
    2024-10-01
  • 期刊:
  • 影响因子:
    19.300
  • 作者:
    Andrew T. Tyowua;David Harbottle;Bernard P. Binks
  • 通讯作者:
    Bernard P. Binks
Intensified co-precipitation and ion exchange using an agitated tubular reactor (ATR) for enhanced removal of Cs<sup>+</sup> and Sr<sup>2+</sup> ions
  • DOI:
    10.1016/j.cep.2024.110077
  • 发表时间:
    2025-01-01
  • 期刊:
  • 影响因子:
  • 作者:
    Oguzhan Kivan;Muhammad Yusuf;Rachael Filson-Halliwell;Jennifer N. Enemmoh;David Harbottle;Timothy N. Hunter
  • 通讯作者:
    Timothy N. Hunter
Rapid Joule heating-induced welding of silicon and graphene for enhanced lithium-ion battery anodes
用于增强型锂离子电池阳极的硅和石墨烯的快速焦耳热感应焊接
  • DOI:
  • 发表时间:
    2024
  • 期刊:
  • 影响因子:
    15.1
  • 作者:
    Fan Yang;Pengcheng Deng;Hang He;Ruolan Hong;Kun Xiang;Yuan Cao;Beibei Yu;Zeman Xie;Jiming Lu;Zikang Liu;Danish Khan;David Harbottle;Zhenghe Xu;Qingxia Liu;Zeguo Tang
  • 通讯作者:
    Zeguo Tang

David Harbottle的其他文献

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{{ truncateString('David Harbottle', 18)}}的其他基金

Electrokinetic Separation for Enhanced Decontamination of Soils and Groundwater Systems
电动分离增强土壤和地下水系统净化
  • 批准号:
    EP/S032797/1
  • 财政年份:
    2019
  • 资助金额:
    $ 40.48万
  • 项目类别:
    Research Grant

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稀疏表示及其在盲源分离中的应用研究
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    61104053
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