Purpose-built continuous leaching module for time-resolved mineral phase analysis
用于时间分辨矿物相分析的专用连续浸出模块
基本信息
- 批准号:374751-2009
- 负责人:
- 金额:$ 5.68万
- 依托单位:
- 依托单位国家:加拿大
- 项目类别:Research Tools and Instruments - Category 1 (<$150,000)
- 财政年份:2008
- 资助国家:加拿大
- 起止时间:2008-01-01 至 2009-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Funding is requested to acquire instrumentation that provides an alternative to conventional batch dissolution for the analysis of microfossils and carbonate minerals by allowing for the gradual dissolution of samples and continuous analysis of the effluent. The key benefit of this dissolution technique (flow-through time-resolved analysis, FT-TRA) is the ability to differentiate between different mineral phases over the course of a dissolution experiment. Two initial applications of the FT-TRA technique are put forward in the proposal, illustrating the diversity of applications for the proposed instrumentation. (1) Elemental ratios in marine microfossils are used as a proxy for past environmental conditions. A significant problem associated with elemental ratios measured in batch-dissolved microfossils is that partial dissolution on the seafloor, calcite overgrowth, and contamination by various mineral phases obscure the elemental ratios of the biogenic calcite that record the targeted information. The proposed instrumentation allow for continuous monitoring of the elemental ratios as the microfossils are slowly dissolved and the effluent continuously analyzed. As a result, the elemental composition from the biogenic calcite can be clearly isolated. (2) Some mine wastes trap the greenhouse gas carbon dioxide, thus providing an environmental benefit. However, this benefit is only realized if the trapped carbon is derived from the atmosphere. The requested instrumentation enables the fingerprinting of the origin of bound carbon dioxide, thus assessing the net greenhouse gas benefit of carbon fixation.
需要资金购买仪器,通过允许样品的逐渐溶解和流出物的连续分析,为微化石和碳酸盐矿物的分析提供传统批量溶解的替代方案。这种溶解技术(流通时间分辨分析,FT-TRA)的主要优点是能够在溶解实验过程中区分不同的矿物相。该提案提出了 FT-TRA 技术的两个初步应用,说明了所提出的仪器应用的多样性。 (1) 海洋微化石中的元素比率被用作过去环境条件的代理。与批量溶解微化石中测量的元素比率相关的一个重要问题是,海底的部分溶解、方解石过度生长以及各种矿物相的污染掩盖了记录目标信息的生物方解石的元素比率。所提出的仪器允许在微化石缓慢溶解和连续分析流出物时连续监测元素比率。结果,可以清楚地分离来自生物方解石的元素组成。 (2) 一些矿山废物捕获温室气体二氧化碳,从而提供环境效益。然而,只有当捕获的碳来自大气时,才能实现这一好处。所需的仪器能够对结合二氧化碳的来源进行指纹识别,从而评估碳固定的净温室气体效益。
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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François, Roger其他文献
François, Roger的其他文献
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{{ truncateString('François, Roger', 18)}}的其他基金
Development and application of geochemical and isotopic tracers to investigate the impact of oceanic processes on climate change.
开发和应用地球化学和同位素示踪剂来研究海洋过程对气候变化的影响。
- 批准号:
312376-2010 - 财政年份:2010
- 资助金额:
$ 5.68万 - 项目类别:
Discovery Grants Program - Individual
CHNS analyzer and custom-built filter holders for in-situ large volume pumps
用于现场大容量泵的 CHNS 分析仪和定制过滤器支架
- 批准号:
406823-2011 - 财政年份:2010
- 资助金额:
$ 5.68万 - 项目类别:
Research Tools and Instruments - Category 1 (<$150,000)
GEOTRACES: Multi-tracer investigation of the effect of climate change on nutrient and carbon cycles in the Arctic Ocean
GEOTRACES:气候变化对北冰洋营养物和碳循环影响的多示踪剂调查
- 批准号:
350397-2007 - 财政年份:2010
- 资助金额:
$ 5.68万 - 项目类别:
Government of Canada's Program for International Polar Year
Development and application of geochemical tracers for paleo and modern oceanography
古和现代海洋地球化学示踪剂的开发与应用
- 批准号:
312376-2007 - 财政年份:2009
- 资助金额:
$ 5.68万 - 项目类别:
Discovery Grants Program - Individual
GEOTRACES: Multi-tracer investigation of the effect of climate change on nutrient and carbon cycles in the Arctic Ocean
GEOTRACES:气候变化对北冰洋营养物和碳循环影响的多示踪剂调查
- 批准号:
350397-2007 - 财政年份:2009
- 资助金额:
$ 5.68万 - 项目类别:
Government of Canada's Program for International Polar Year
GEOTRACES: Multi-tracer investigation of the effect of climate change on nutrient and carbon cycles in the Arctic Ocean
GEOTRACES:气候变化对北冰洋营养物和碳循环影响的多示踪剂调查
- 批准号:
350397-2007 - 财政年份:2008
- 资助金额:
$ 5.68万 - 项目类别:
Government of Canada's Program for International Polar Year
Development and application of geochemical tracers for paleo and modern oceanography
古和现代海洋地球化学示踪剂的开发与应用
- 批准号:
312376-2007 - 财政年份:2008
- 资助金额:
$ 5.68万 - 项目类别:
Discovery Grants Program - Individual
GEOTRACES: Multi-tracer investigation of the effect of climate change on nutrient and carbon cycles in the Arctic Ocean
GEOTRACES:气候变化对北冰洋营养物和碳循环影响的多示踪剂调查
- 批准号:
350397-2007 - 财政年份:2007
- 资助金额:
$ 5.68万 - 项目类别:
Government of Canada's Program for International Polar Year
Development and application of geochemical tracers for paleo and modern oceanography
古和现代海洋地球化学示踪剂的开发与应用
- 批准号:
312376-2007 - 财政年份:2007
- 资助金额:
$ 5.68万 - 项目类别:
Discovery Grants Program - Individual
Development amd application of geochemical tracers for oceanography and paleoceanography
海洋学和古海洋学地球化学示踪剂的开发与应用
- 批准号:
312376-2005 - 财政年份:2006
- 资助金额:
$ 5.68万 - 项目类别:
Discovery Grants Program - Individual
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