[WATER]Manufactured Nanoparticles: Assessing the Mobility of a Future Class of Contaminant in Groundwaters
[水]人造纳米颗粒:评估地下水中未来一类污染物的迁移性
基本信息
- 批准号:NE/H018859/1
- 负责人:
- 金额:$ 8.82万
- 依托单位:
- 依托单位国家:英国
- 项目类别:Training Grant
- 财政年份:2010
- 资助国家:英国
- 起止时间:2010 至 无数据
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Nanotechnology is rapidly expanding, and is forecast to become a trillion dollar industry in the near future. It is inevitable that as nanotechnology applications increase, increasing amounts of manufactured nanoparticles (mNPs) will be released into the environment. The environmental and human health implications of the release of most of the huge range of possible particle types are as yet largely unknown, but in the context of groundwaters, apart from implications for the drinking of contaminated water, there is also a potentially serious threat to indigenous bacterial populations, including those that are involved with attenuating contaminants. Thus it is very important to develop methods for assessing the mobility of mNPs in the various environmental compartments, including groundwaters. The movement of charged interacting particles through variably-sized rock pore systems where the pore walls are also charged is complex to predict. Preliminary experiments indicate that aggregation followed by straining and various attachment processes occur, depending on both particle/rock combinations and chemical conditions, but quantification/prediction is not possible without resolving some difficult surface measurement issues. However, such problems are common in a range of commercial applications, and consequently Malvern Instruments (MI), the leading particle characterization instrument manufacturer, has been developing new approaches that offer the possibility of tackling some of these problems. This project, therefore, aims to apply these new approaches to experimental metal oxide mNP / sandstone systems in order to help develop a conceptual model of the interactions of mNPs and rock, and from this to use the measured parameter values in a quantitative representation of the system appropriate for use in pollution risk assessment. The model developed should also be of direct use in cases where mNPs are used in groundwater remediation (though this will be rare until the health issues are more fully understood). The project will include laboratory, field, and computer modelling aspects. Besides facilitating access to a rapidly expanding research area, it will provide training in a specialization lacking in the water industry, and also develop the transferable skills and insights necessary for any groundwater contamination career.
纳米技术正在迅速发展,预计在不久的将来将成为一个万亿美元的产业。随着纳米技术应用的增加,越来越多的制造纳米颗粒(mNPs)将被释放到环境中。释放大部分可能的颗粒类型对环境和人类健康的影响尚不清楚,但就地下水而言,除了对饮用受污染水的影响外,还可能对土著细菌种群构成严重威胁,包括那些与衰减污染物有关的细菌种群。因此,非常重要的是要制定方法,评估移动纳米颗粒在各种环境区划,包括地下水的流动性。带电的相互作用的粒子通过可变大小的岩石孔隙系统的孔壁也带电的运动是复杂的预测。初步实验表明,聚集,然后应变和各种附着过程发生,这取决于颗粒/岩石组合和化学条件,但量化/预测是不可能的,如果不解决一些困难的表面测量问题。然而,这些问题在一系列商业应用中很常见,因此领先的颗粒表征仪器制造商马尔文仪器(MI)一直在开发新的方法,为解决这些问题提供可能性。因此,该项目的目的是将这些新方法应用于实验金属氧化物mNP /砂岩系统,以帮助开发一个概念模型的mNP和岩石的相互作用,并从这个使用测量的参数值在定量表示的系统适合用于污染风险评估。开发的模型也应该直接用于mNP用于地下水修复的情况下(虽然这将是罕见的,直到健康问题得到更充分的理解)。该项目将包括实验室,现场和计算机建模方面。除了促进进入一个迅速扩大的研究领域,它还将提供水行业缺乏的专业化培训,并开发任何地下水污染职业所需的可转移技能和见解。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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John Tellam其他文献
John Tellam的其他文献
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{{ truncateString('John Tellam', 18)}}的其他基金
The black box opened: Non-invasive observation of nanoparticle transport in rock pore systems
黑匣子打开:岩石孔隙系统中纳米颗粒输运的非侵入性观察
- 批准号:
EP/J017612/1 - 财政年份:2013
- 资助金额:
$ 8.82万 - 项目类别:
Research Grant
Manufactured Nanoparticle Migration in Groundwaters
地下水中人造纳米粒子的迁移
- 批准号:
NE/E015166/1 - 财政年份:2007
- 资助金额:
$ 8.82万 - 项目类别:
Research Grant
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Addressing the uncertainties: Pathways, fate and associated risks of manufactured nanoparticles in the environment
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(ENVIRON) 量化制造的纳米颗粒的颗粒数量和比表面积 (SSA)
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