Electric pulse disaggregator and hydroseparator for micromineral research

用于微矿物研究的电脉冲分解器和水力分离器

基本信息

  • 批准号:
    391156-2010
  • 负责人:
  • 金额:
    $ 9.92万
  • 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:
    2010
  • 资助国家:
    加拿大
  • 起止时间:
    2010-01-01 至 2011-12-31
  • 项目状态:
    已结题

项目摘要

Revolutionary insights into the origins of the solar system and Earth's continents, oceans and early life forms is being gained from measuring the time and environmental information preserved in very small, almost dust-sized, mineral crystals in rocks and meteorites. Key to new and future research in these areas is the isolation of these tiny grains without destruction or contamination. Ultra low contamination mineral separation has traditionally been a painstaking process involving toxic heavy liquids and mechanical crushing with jaw crushers and disc mills requiring constant disassembly and cleaning. The crushing process can also destroy delicate mineral forms and shapes that otherwise provide new information on mineral growth rates and planetary environments. Faster, cleaner and less hazardous (i.e. no silica dust, heavy liquids) water-based methods have recently been developed commercially. These use electric pulses to shatter or disaggregate samples along mineral grain boundaries, eventually freeing crystals as wide as a human hair. This request is for a recently available, Canadian-made SPARK-3 Electric Pulse Disaggregation unit and accompanying HS-11 Hydroseparator system. The two units work in combination to perform micromineral separation without milling or heavy liquids at a rate approximately 5 times faster than with conventional methods. The equipment will fill a critical gap in the existing array of mineral separation equipment at UWO and partner institutions (University of Waterloo, University of Toronto) and result in increased throughput and research productivity with micromineral imaging equipment previously supported by NSERC (SEM-cathodoluminescence detector; Moser et al., NSERC-RTI 2006) and CFI (Moser, 2008).The processing speed and flexibility of the equipment will offer a significant advantage in the international race to answer fundamental questions such as; when did Earth's oceans and life forms first exist?
通过测量保存在岩石和陨石中非常小的、几乎是尘埃大小的矿物晶体中的时间和环境信息,人们对太阳系和地球大陆、海洋和早期生命形式的起源有了革命性的见解。这些领域新的和未来的研究的关键是在不破坏或污染的情况下分离这些微小的颗粒。超低污染矿物分离传统上是一个艰苦的过程,涉及有毒重液和机械破碎,颌式破碎机和圆盘磨机需要不断地拆卸和清洗。粉碎过程还会破坏微妙的矿物形态和形状,否则会提供有关矿物生长速度和行星环境的新信息。更快、更清洁、危害更小(即没有二氧化硅粉尘、重液体)的水基方法最近已经商业化开发。它们使用电脉冲沿矿物颗粒边界粉碎或分解样品,最终释放出像人头发一样宽的晶体。这项申请是为了最近可用的,加拿大制造的Spark-3型电脉冲分解装置和配套的HS-11水力分离器系统。这两个设备联合工作,无需研磨或重液即可进行微矿物分离,分离速度比传统方法快约5倍。该设备将填补UWO及其合作机构(滑铁卢大学、多伦多大学)现有矿物分离设备阵列中的一个关键空白,并利用以前得到NSERC(扫描电子显微镜-阴极发光探测器;Moser等人,NSERC-RTI 2006)和CFI(Moser,2008)支持的微矿物成像设备,提高产量和研究生产率。该设备的处理速度和灵活性将在回答诸如地球海洋和生命形式最初存在于何时等基本问题的国际竞赛中提供显著优势?

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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Moser, Desmond其他文献

A terrestrial perspective on using ex situ shocked zircons to date lunar impacts
  • DOI:
    10.1130/g37059.1
  • 发表时间:
    2015-11-01
  • 期刊:
  • 影响因子:
    5.8
  • 作者:
    Cavosie, Aaron J.;Erickson, Timmons M.;Moser, Desmond
  • 通讯作者:
    Moser, Desmond

Moser, Desmond的其他文献

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{{ truncateString('Moser, Desmond', 18)}}的其他基金

Nanogeochronology of Earth and Planetary Materials
地球和行星材料的纳米地质年代学
  • 批准号:
    RGPIN-2019-05911
  • 财政年份:
    2022
  • 资助金额:
    $ 9.92万
  • 项目类别:
    Discovery Grants Program - Individual
Nanogeochronology of Earth and Planetary Materials
地球和行星材料的纳米地质年代学
  • 批准号:
    RGPIN-2019-05911
  • 财政年份:
    2021
  • 资助金额:
    $ 9.92万
  • 项目类别:
    Discovery Grants Program - Individual
Nanogeochronology of Earth and Planetary Materials
地球和行星材料的纳米地质年代学
  • 批准号:
    RGPIN-2019-05911
  • 财政年份:
    2020
  • 资助金额:
    $ 9.92万
  • 项目类别:
    Discovery Grants Program - Individual
Nanogeochronology of Earth and Planetary Materials
地球和行星材料的纳米地质年代学
  • 批准号:
    RGPIN-2019-05911
  • 财政年份:
    2019
  • 资助金额:
    $ 9.92万
  • 项目类别:
    Discovery Grants Program - Individual
Geochronology of Inner Solar System Materials Down to Atom Scale
内太阳系材料的地质年代学直至原子尺度
  • 批准号:
    RGPIN-2014-05823
  • 财政年份:
    2018
  • 资助金额:
    $ 9.92万
  • 项目类别:
    Discovery Grants Program - Individual
Geochronology of Inner Solar System Materials Down to Atom Scale
内太阳系材料的地质年代学直至原子尺度
  • 批准号:
    RGPIN-2014-05823
  • 财政年份:
    2017
  • 资助金额:
    $ 9.92万
  • 项目类别:
    Discovery Grants Program - Individual
Geochronology of Inner Solar System Materials Down to Atom Scale
内太阳系材料的地质年代学直至原子尺度
  • 批准号:
    RGPIN-2014-05823
  • 财政年份:
    2016
  • 资助金额:
    $ 9.92万
  • 项目类别:
    Discovery Grants Program - Individual
Geochronology of Inner Solar System Materials Down to Atom Scale
内太阳系材料的地质年代学直至原子尺度
  • 批准号:
    RGPIN-2014-05823
  • 财政年份:
    2015
  • 资助金额:
    $ 9.92万
  • 项目类别:
    Discovery Grants Program - Individual
Geochronology of Inner Solar System Materials Down to Atom Scale
内太阳系材料的地质年代学直至原子尺度
  • 批准号:
    RGPIN-2014-05823
  • 财政年份:
    2014
  • 资助金额:
    $ 9.92万
  • 项目类别:
    Discovery Grants Program - Individual
Geochronology of planetary and resource evolution
行星地质年代学和资源演化
  • 批准号:
    327164-2009
  • 财政年份:
    2013
  • 资助金额:
    $ 9.92万
  • 项目类别:
    Discovery Grants Program - Individual

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