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)混合文献只是在20世纪50年代才开始。几十年来,我们一直教导学生,过程是“充分混合”的-但我们的意思是充分混合的技术和全面的定义只出现在2009年(Kukukova等人)*混合通常是简单的或理想的,但当它作为一个问题出现时,它往往是难以捉摸的-出现在一组实验中,消失在其他明显相似的工作中。这有两个原因:第一,最近才开发出定义明确的混合测试单元;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,不能孤立地考虑。在本提案中,将探讨将添加剂混合到稀释沥青泡沫中的初始阶段。在该方法中,如果添加剂以高浓度注入且混合不良,则在加工之前清除泡沫非常困难。如果这种添加剂在注射点进行预稀释和剧烈混合,化学品的使用可以减少一半,同时实现相同的分离。这是一个经典的介混问题,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研究进料羽流,看看发生了什么,并确定破乳剂的命运。这是第一次有可能进行真实的现场测量。**

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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    RGPIN-2018-04942
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    $ 6.34万
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    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
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