Meso-mixing effects on demulsification in froth treatment: mechanisms and modeling

泡沫处理中介观混合对破乳的影响:机制和模型

基本信息

  • 批准号:
    485319-2015
  • 负责人:
  • 金额:
    $ 6.34万
  • 依托单位:
  • 依托单位国家:
    加拿大
  • 项目类别:
    Collaborative Research and Development Grants
  • 财政年份:
    2018
  • 资助国家:
    加拿大
  • 起止时间:
    2018-01-01 至 2019-12-31
  • 项目状态:
    已结题

项目摘要

All of Chemical Engineering can be broken into three basic steps: mixing, reaction, and separations. While reaction and separations have been extensively studied for centuries, the (technical) mixing literature only begins in the 1950's. For decades, we have taught students that processes are "well mixed" - but a technical and comprehensive definition of what we mean by well mixed only appeared in 2009 (Kukukova et al.)****Mixing is frequently simple or ideal, but when it appears as a problem it is often elusive - appearing in one set of experiments and disappearing in other apparently similar work. There are two reasons for this: first, well defined mixing test cells have only recently been developed, and second, mixing is most frequently a competing rate process - it has strong interactions with other variables and cannot be considered in isolation.****In this proposal, the initial stages of mixing additive into diluted bitumen froth are to be explored. In this process, if the additive is injected at a high concentration with poor mixing, clean up of the froth before processing is very difficult. If this additive is prediluted and mixed vigorously at the point of injection, the chemical use can be cut in half while achieving the same separation. This is a classical mesomixing problem, indicating that high local concentrations at the feed point are changing the chemical action taken by the demulsifier additive.****New experimental tools allow us to look into the feed plume to see what is happening and determine the fate of the demulsifier. This is the first time in-situ measurements will be possible in real time.**
所有的化学工程都可以分为三个基本步骤:混合、反应和分离。虽然反应和分离已经被广泛研究了几个世纪,但(技术)混合文献直到20世纪50年代的S才开始。几十年来,我们一直在教导学生过程是“良好混合的”--但我们所指的良好混合的技术和全面定义直到2009年才出现(库库科娃等人)*混合通常是简单或理想的,但当它出现时,它通常是一个难以捉摸的问题--出现在一组实验中,而在其他明显类似的工作中消失了。这有两个原因:第一,最近才开发出定义明确的混合试验室,第二,混合最常见的是一个竞争速率过程--它与其他变量有很强的相互作用,不能单独考虑。*在这项建议中,要探索将添加剂混合到稀释沥青泡沫中的初始阶段。在这个过程中,如果添加剂的注入浓度很高,混合不好,在加工之前清理泡沫是非常困难的。如果在注射时预先稀释并大力混合这种添加剂,则可以在实现相同分离的同时将化学物质的使用量减少一半。这是一个经典的介观混合问题,表明进料点的高局部浓度正在改变破乳剂添加剂所采取的化学作用。*新的实验工具使我们能够观察进料羽流中发生的事情,并确定破乳剂的命运。这是第一次可以实时进行现场测量。**

项目成果

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Kresta, Suzanne其他文献

Kresta, Suzanne的其他文献

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{{ truncateString('Kresta, Suzanne', 18)}}的其他基金

Competing Rates in Mixing Sensitive Processes: design fundamentals for meso-scale and transient effects
混合敏感过程中的竞争速率:中观尺度和瞬态效应的设计基础
  • 批准号:
    RGPIN-2018-04942
  • 财政年份:
    2022
  • 资助金额:
    $ 6.34万
  • 项目类别:
    Discovery Grants Program - Individual
Competing Rates in Mixing Sensitive Processes: design fundamentals for meso-scale and transient effects
混合敏感过程中的竞争速率:中观尺度和瞬态效应的设计基础
  • 批准号:
    RGPIN-2018-04942
  • 财政年份:
    2021
  • 资助金额:
    $ 6.34万
  • 项目类别:
    Discovery Grants Program - Individual
Competing Rates in Mixing Sensitive Processes: design fundamentals for meso-scale and transient effects
混合敏感过程中的竞争速率:中观尺度和瞬态效应的设计基础
  • 批准号:
    RGPIN-2018-04942
  • 财政年份:
    2020
  • 资助金额:
    $ 6.34万
  • 项目类别:
    Discovery Grants Program - Individual
Competing Rates in Mixing Sensitive Processes: design fundamentals for meso-scale and transient effects
混合敏感过程中的竞争速率:中观尺度和瞬态效应的设计基础
  • 批准号:
    RGPIN-2018-04942
  • 财政年份:
    2019
  • 资助金额:
    $ 6.34万
  • 项目类别:
    Discovery Grants Program - Individual
Sweep flocculation in froth treatment and demulsification
泡沫处理和破乳中的扫掠絮凝
  • 批准号:
    485317-2015
  • 财政年份:
    2018
  • 资助金额:
    $ 6.34万
  • 项目类别:
    Collaborative Research and Development Grants
Competing Rates in Mixing Sensitive Processes: design fundamentals for meso-scale and transient effects
混合敏感过程中的竞争速率:中观尺度和瞬态效应的设计基础
  • 批准号:
    RGPIN-2018-04942
  • 财政年份:
    2018
  • 资助金额:
    $ 6.34万
  • 项目类别:
    Discovery Grants Program - Individual
Competing Rates in Mixing Sensitive Processes: Test Cells and Models for Robust Design from the Bench Scale (1L) to the Mega-L and micro-L Scales
混合敏感过程中的竞争速率:用于从台式规模 (1L) 到兆升和微升规模的稳健设计的测试单元和模型
  • 批准号:
    121592-2013
  • 财政年份:
    2017
  • 资助金额:
    $ 6.34万
  • 项目类别:
    Discovery Grants Program - Individual
Sweep flocculation in froth treatment and demulsification
泡沫处理和破乳中的扫掠絮凝
  • 批准号:
    485317-2015
  • 财政年份:
    2016
  • 资助金额:
    $ 6.34万
  • 项目类别:
    Collaborative Research and Development Grants
Meso-mixing effects on demulsification in froth treatment: mechanisms and modeling
泡沫处理中介观混合对破乳的影响:机制和模型
  • 批准号:
    485319-2015
  • 财政年份:
    2016
  • 资助金额:
    $ 6.34万
  • 项目类别:
    Collaborative Research and Development Grants
Meso-mixing effects on demulsification in froth treatment: mechanisms and modeling
泡沫处理中介观混合对破乳的影响:机制和模型
  • 批准号:
    485319-2015
  • 财政年份:
    2015
  • 资助金额:
    $ 6.34万
  • 项目类别:
    Collaborative Research and Development Grants

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Hilbert空间上算子逼近问题
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Competing Rates in Mixing Sensitive Processes: design fundamentals for meso-scale and transient effects
混合敏感过程中的竞争速率:中观尺度和瞬态效应的设计基础
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    $ 6.34万
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  • 批准号:
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Competing Rates in Mixing Sensitive Processes: design fundamentals for meso-scale and transient effects
混合敏感过程中的竞争速率:中观尺度和瞬态效应的设计基础
  • 批准号:
    RGPIN-2018-04942
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    $ 6.34万
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混合敏感过程中的竞争速率:中观尺度和瞬态效应的设计基础
  • 批准号:
    RGPIN-2018-04942
  • 财政年份:
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  • 资助金额:
    $ 6.34万
  • 项目类别:
    Discovery Grants Program - Individual
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混合敏感过程中的竞争速率:中观尺度和瞬态效应的设计基础
  • 批准号:
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