Vapor-assisted cavitation and 2-phase flow through commercial distributor grid geometries

通过商业分配器网格几何形状的蒸汽辅助空化和两相流

基本信息

  • 批准号:
    RGPIN-2022-02959
  • 负责人:
  • 金额:
    $ 2.04万
  • 依托单位:
  • 依托单位国家:
    加拿大
  • 项目类别:
    Discovery Grants Program - Individual
  • 财政年份:
    2022
  • 资助国家:
    加拿大
  • 起止时间:
    2022-01-01 至 2023-12-31
  • 项目状态:
    已结题

项目摘要

Within the oil and gas upgrading industry there is a technology allows for some of the heaviest oil to be upgraded into products that can eventually be converted into gasoline, plastics, and other useful products. Unlike traditional coking which produces carbon containing heavy metals and sulphur, this alternative technology works by adding hydrogen and breaking some of the largest molecules into smaller pieces, making the oil more usable without forming a solid coke byproduct. This technology is called hydrofining or hydroprocessing, and has several different names (LC-Finer, H-Oil, etc.). A challenge currently faced within this technology is the accumulation of too much gas inside the unit during operation. As the heavy oils are broken down, they evaporate and form a gas that flows inside the system along with hydrogen. These units struggle to remove this gas (which is also the product), which can lead to desired products being broken down too much (forming less useful products). As a result, as much as 40% of the volume inside these systems can be filled with gas, reducing the ability of the technology to process liquid fuels and increasing the energy required to make heavy oils usable. Even a small reduction in gas (as little as 1%) can mean millions of dollars in saved energy cost and increased productivity a year within these systems. Despite several attempts using both experiments and computer simulations, efforts to improve the way we remove this gas have not been overly successful. At the high temperature and pressure in these systems, the gas is present as very small bubbles (roughly half a millimetre), and the presence of different contaminants makes it very tough for these bubbles to join together, almost forming a stable "foam". This makes them extremely difficulty to remove. Instead of looking to remove these bubbles, the focus of this work is to better understand how the smallest of these bubbles initially form. By eliminating the smallest sized bubbles, separation of this gas becomes easier and significant energy savings could be realized. This project attempts to look at some of the smallest flow paths of liquid and gas in this system by creating very thin geometries in a lab with similar flow behaviour as seen in a full-scale industrial unit. This allows for the gas and liquid flow behaviour and bubble generation to be viewed with a high-speed camera, as well as collection of information that lets us understand how the smallest bubbles are formed. By using this information to train computer simulations, we can predict how changing the smallest elements of the hydrofining reactor can have a big impact on its operation and the energy required to make Canada's heavy oil resources viable. The results of this work is also applicable to other chemical industries as well as water treatment and aquaculture, potentially leading to benefits beyond the oil and gas industry.
在石油和天然气升级行业中,有一种技术可以将一些最重的石油升级为最终可以转化为汽油、塑料和其他有用产品的产品。与传统的炼焦所产生的含有重金属和硫的碳不同,这种替代技术的工作原理是加入氢,将一些最大的分子分解成更小的碎片,使石油更容易使用,而不会形成固体焦炭的副产品。这项技术被称为加氢精制或加氢加工,有几个不同的名称(LC-Finer, H-Oil等)。该技术目前面临的一个挑战是,在运行过程中,装置内部会积聚过多的气体。当重油被分解时,它们蒸发并形成一种气体,与氢一起在系统内流动。这些单位努力去除这种气体(也是产品),这可能导致所需的产品被分解太多(形成不太有用的产品)。因此,这些系统中多达40%的体积可以充满气体,从而降低了该技术处理液体燃料的能力,并增加了使重油可用所需的能量。即使是很小的天然气减少(只有1%),也意味着在这些系统中每年节省数百万美元的能源成本和提高生产力。尽管使用实验和计算机模拟进行了几次尝试,但改善我们去除这种气体的方式的努力并没有取得太大的成功。在这些系统的高温高压下,气体以非常小的气泡(大约半毫米)的形式存在,不同污染物的存在使得这些气泡很难结合在一起,几乎形成了稳定的“泡沫”。这使得它们极难去除。而不是寻找消除这些气泡,这项工作的重点是更好地了解这些最小的气泡最初是如何形成的。通过消除最小尺寸的气泡,这种气体的分离变得更加容易,并且可以实现显著的节能。该项目试图通过在实验室中创建非常薄的几何形状,并在全尺寸工业装置中看到类似的流动行为,来研究该系统中液体和气体的一些最小流动路径。这使得气体和液体的流动行为和气泡的产生可以用高速摄像机观察,以及收集信息,让我们了解最小的气泡是如何形成的。通过使用这些信息来训练计算机模拟,我们可以预测改变加氢精炼反应器中最小的元素如何对其运行产生重大影响,以及使加拿大重油资源可行所需的能源。这项工作的结果也适用于其他化学工业以及水处理和水产养殖,可能会带来石油和天然气行业以外的好处。

项目成果

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Donaldson, Adam其他文献

Mixing strategy effect on dispersion of amine during reagent production for flotation applications

Donaldson, Adam的其他文献

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{{ truncateString('Donaldson, Adam', 18)}}的其他基金

First international workshop on the applications of fine and ultrafine bubbles
第一届细小和超细气泡应用国际研讨会
  • 批准号:
    530008-2018
  • 财政年份:
    2018
  • 资助金额:
    $ 2.04万
  • 项目类别:
    Connect Grants Level 2
Development of pilot-scale mini-fluidic technology for reacting systems involving immiscible fluids and solids
开发用于涉及不混溶流体和固体的反应系统的中试规模微型流体技术
  • 批准号:
    418061-2012
  • 财政年份:
    2018
  • 资助金额:
    $ 2.04万
  • 项目类别:
    Discovery Grants Program - Individual
Excimer laser electrode optimization and solids-based fluorine generation system for operational lifetime extension
准分子激光电极优化和固体氟发生系统可延长使用寿命
  • 批准号:
    500921-2016
  • 财政年份:
    2018
  • 资助金额:
    $ 2.04万
  • 项目类别:
    Collaborative Research and Development Grants
Optimization of graphite powder shape and trace metal characteristics
石墨粉末形状和微量金属特性的优化
  • 批准号:
    513322-2017
  • 财政年份:
    2017
  • 资助金额:
    $ 2.04万
  • 项目类别:
    Engage Grants Program
Excimer laser electrode optimization and solids-based fluorine generation system for operational lifetime extension
准分子激光电极优化和固体氟发生系统可延长使用寿命
  • 批准号:
    500921-2016
  • 财政年份:
    2017
  • 资助金额:
    $ 2.04万
  • 项目类别:
    Collaborative Research and Development Grants
Development of pilot-scale mini-fluidic technology for reacting systems involving immiscible fluids and solids
开发用于涉及不混溶流体和固体的反应系统的中试规模微型流体技术
  • 批准号:
    418061-2012
  • 财政年份:
    2017
  • 资助金额:
    $ 2.04万
  • 项目类别:
    Discovery Grants Program - Individual
Excimer laser electrode optimization and solids-based fluorine generation system for operational lifetime extension
准分子激光电极优化和固体氟发生系统可延长使用寿命
  • 批准号:
    500921-2016
  • 财政年份:
    2016
  • 资助金额:
    $ 2.04万
  • 项目类别:
    Collaborative Research and Development Grants
Amine detection and process control within potash processing systems
钾肥加工系统中的胺检测和过程控制
  • 批准号:
    477218-2014
  • 财政年份:
    2016
  • 资助金额:
    $ 2.04万
  • 项目类别:
    Collaborative Research and Development Grants
Amine detection and process control within potash processing systems
钾肥加工系统中的胺检测和过程控制
  • 批准号:
    477218-2014
  • 财政年份:
    2015
  • 资助金额:
    $ 2.04万
  • 项目类别:
    Collaborative Research and Development Grants
Development of novel trace contaminant removal technology for extending Excimer Laser life
开发新型痕量污染物去除技术以延长准分子激光器寿命
  • 批准号:
    477801-2015
  • 财政年份:
    2015
  • 资助金额:
    $ 2.04万
  • 项目类别:
    Engage Plus Grants Program

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