Probing and Modulating Interactions of Drops, Bubbles and Particles with Implications for Chemical Engineering Processes

探测和调节液滴、气泡和颗粒的相互作用对化学工程过程的影响

基本信息

  • 批准号:
    RGPIN-2020-04196
  • 负责人:
  • 金额:
    $ 6.56万
  • 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:
    2021
  • 资助国家:
    加拿大
  • 起止时间:
    2021-01-01 至 2022-12-31
  • 项目状态:
    已结题

项目摘要

Canada has a vast wealth of natural resources (e.g., minerals, crude oil, crude bitumen, natural gas), contributing significantly to the national economy. The interactions of liquid drops, gas bubbles and solid particles in complex fluid environment, particularly in the presence interface-active species (e.g., surfactants, polymers, particles), play a critical role in determine the efficiency and performance of numerous engineering processes in natural resources production (e.g., mineral flotation, bitumen extraction, oil/water separation, wastewater treatment). Previous studies have mainly focused on the intermolecular and surface interactions of soft materials and particle systems with "clean" interfaces (without interface-active species) and solid substrates with homogeneous surface chemistry. In practical engineering applications, however, interface-active species are widely present at solid/oil/water/gas interfaces and in bulk fluids, while many solid surfaces show heterogeneity in surface chemistry. Quantifying the interaction forces of these deformable material systems (e.g., drops, bubbles) and solids with surface heterogeneity in the presence of interface-active species is much more challenging, but is of fundamental and practical importance, which will be the main focus of this proposed research. The long-term objective of this proposed program is to elucidate the physicochemical properties and interaction mechanisms of drops, bubbles and particles in the presence of interface-active species (e.g., surfactants, polymers, nanoparticles) at the nano- and micro-scale. The short-term objectives are to (1) quantify the intermolecular and surface forces and establish the interaction mechanisms, particularly hydrophobic interaction, of liquid drops, gas bubbles and solid particles in aqueous media, by modulating surface chemistry, nanoscale heterogeneity, interfacial molecular mobility and water chemistry, in the presence of interface-active species, and (2) elucidate the interaction mechanisms of liquid drops, gas bubbles and solid particles with slippery surfaces, towards the development of novel slippery surfaces with controlled motion manipulation of drops/bubbles/particles. The proposed research will fill the knowledge gap on the fundamental interaction mechanisms of drops, bubbles and fine solids in the presence of interface-active species, particularly on quantification of their intermolecular and surface forces, the origin of hydrophobic interactions, and how hydrophobic effects and other surface forces contribute to their interaction behaviors (e.g., assembly, aggregation, and coalescence). The proposed research will also provide new insights on how to efficiently and effectively modulate these interactions in related engineering processes and help develop new materials and surfaces towards more efficient industrial processes. The research outcomes will facilitate the sustainable development of natural resources.
加拿大拥有丰富的自然资源(如矿产、原油、粗沥青、天然气),为国民经济作出了重大贡献。液滴、气泡和固体颗粒在复杂的流体环境中的相互作用,特别是在存在的界面活性物种(如表面活性剂、聚合物、颗粒)中,对自然资源生产中众多工程过程(如矿物浮选、沥青开采、油水分离、废水处理)的效率和性能起着至关重要的作用。以前的研究主要集中在具有清洁界面(没有界面活性物种)的软材料和颗粒系统以及具有均匀表面化学的固体基质的分子间和表面相互作用。然而,在实际工程应用中,界面活性物种广泛存在于固/油/水/气界面和大块流体中,而许多固体表面在表面化学上表现出非均质性。在界面活性物种存在的情况下,量化这些可变形材料系统(如液滴、气泡)和具有表面异质性的固体之间的相互作用力是非常具有挑战性的,但具有基础性和实际意义,这将是本研究的主要重点。这一计划的长期目标是在纳米和微观尺度上阐明液滴、气泡和颗粒在界面活性物种(如表面活性剂、聚合物、纳米颗粒)存在时的物理化学性质和相互作用机制。短期目标是(1)量化分子间和表面力,并建立水介质中液滴、气泡和固体颗粒的相互作用机制,特别是疏水相互作用,方法是在存在界面活性物种的情况下,通过调节表面化学、纳米尺度的非均质性、界面分子迁移率和水化学,以及(2)阐明液滴、气泡和固体颗粒与光滑表面的相互作用机制,以开发可控制液滴/气泡/颗粒运动的新型光滑表面。这项研究将填补关于液滴、气泡和细固体在界面活性物种存在时的基本相互作用机制的知识空白,特别是关于它们的分子间作用力和表面力的量化,疏水相互作用的起源,以及疏水效应和其他表面作用力如何影响它们的相互作用行为(如组装、聚集和合并)。拟议的研究还将为如何有效地调节相关工程过程中的这些相互作用提供新的见解,并帮助开发新材料和表面,以实现更高效的工业过程。研究成果将促进自然资源的可持续发展。

项目成果

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Zeng, Hongbo其他文献

Wettability effect on nanoconfined water flow: Insights and perspectives
  • DOI:
    10.1016/j.nantod.2017.05.001
  • 发表时间:
    2017-10-01
  • 期刊:
  • 影响因子:
    17.4
  • 作者:
    Zeng, Hongbo;Wu, Keliu;Chen, Zhangxin
  • 通讯作者:
    Chen, Zhangxin
Ultrathin Zincophilic Interphase Regulated Electric Double Layer Enabling Highly Stable Aqueous Zinc-Ion Batteries.
  • DOI:
    10.1007/s40820-023-01312-1
  • 发表时间:
    2024-01-25
  • 期刊:
  • 影响因子:
    26.6
  • 作者:
    Chen, Yimei;Deng, Zhiping;Sun, Yongxiang;Li, Yue;Zhang, Hao;Li, Ge;Zeng, Hongbo;Wang, Xiaolei
  • 通讯作者:
    Wang, Xiaolei
Novel N-doped ZrO(2) with enhanced visible-light photocatalytic activity for hydrogen production and degradation of organic dyes.
  • DOI:
    10.1039/c7ra12938f
  • 发表时间:
    2018-02-09
  • 期刊:
  • 影响因子:
    3.9
  • 作者:
    Wang, Yuanyang;Zhang, Yinghua;Lu, Haiqiang;Chen, Yanxin;Liu, Zhenmin;Su, Shen;Xue, Yongbing;Yao, Jianfeng;Zeng, Hongbo
  • 通讯作者:
    Zeng, Hongbo
Coacervation-driven instant paintable underwater adhesives with tunable optical and electrochromic properties
  • DOI:
    10.1039/d1ta01658j
  • 发表时间:
    2021-04-05
  • 期刊:
  • 影响因子:
    11.9
  • 作者:
    Peng, Qiongyao;Chen, Jingsi;Zeng, Hongbo
  • 通讯作者:
    Zeng, Hongbo
Protein- and Metal-dependent Interactions of a Prominent Protein in Mussel Adhesive Plaques
  • DOI:
    10.1074/jbc.m110.133157
  • 发表时间:
    2010-08-13
  • 期刊:
  • 影响因子:
    4.8
  • 作者:
    Hwang, Dong Soo;Zeng, Hongbo;Waite, J. Herbert
  • 通讯作者:
    Waite, J. Herbert

Zeng, Hongbo的其他文献

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{{ truncateString('Zeng, Hongbo', 18)}}的其他基金

Probing and Modulating Interactions of Drops, Bubbles and Particles with Implications for Chemical Engineering Processes
探测和调节液滴、气泡和颗粒的相互作用对化学工程过程的影响
  • 批准号:
    RGPIN-2020-04196
  • 财政年份:
    2022
  • 资助金额:
    $ 6.56万
  • 项目类别:
    Discovery Grants Program - Individual
Intermolecular forces and interfacial science
分子间力和界面科学
  • 批准号:
    CRC-2016-00110
  • 财政年份:
    2022
  • 资助金额:
    $ 6.56万
  • 项目类别:
    Canada Research Chairs
Probing bubble-bitumen-mineral interaction mechanisms in bitumen liberation and extraction from oil dands by quantitative force measurements
通过定量力测量探讨沥青释放和从油中提取的气泡-沥青-矿物相互作用机制
  • 批准号:
    543480-2019
  • 财政年份:
    2021
  • 资助金额:
    $ 6.56万
  • 项目类别:
    Collaborative Research and Development Grants
Understanding nucleation, growth, precipitation and breakup behaviors and surface interaction mechanisms of calcite for developing effective anti-scaling strategies in coal mining
了解方解石的成核、生长、沉淀和破碎行为以及表面相互作用机制,以制定煤炭开采中有效的防垢策略
  • 批准号:
    557113-2020
  • 财政年份:
    2021
  • 资助金额:
    $ 6.56万
  • 项目类别:
    Alliance Grants
Intermolecular Forces And Interfacial Science
分子间力和界面科学
  • 批准号:
    CRC-2016-00110
  • 财政年份:
    2021
  • 资助金额:
    $ 6.56万
  • 项目类别:
    Canada Research Chairs
Removing water from diluted bitumen in naphthenic froth treatment of oil sands production and the underlying interfacial science
油砂生产环烷泡沫处理中稀释沥青中的水去除及其基础界面科学
  • 批准号:
    543409-2019
  • 财政年份:
    2021
  • 资助金额:
    $ 6.56万
  • 项目类别:
    Collaborative Research and Development Grants
Understanding the Properties and Interaction Mechanisms of SAGD Slop Oil towards the Development of An Effective Treatment Technology
了解 SAGD 废油的性质和相互作用机制,以开发有效的处理技术
  • 批准号:
    537488-2019
  • 财政年份:
    2021
  • 资助金额:
    $ 6.56万
  • 项目类别:
    Collaborative Research and Development Grants
Intermolecular forces and interfacial science
分子间力和界面科学
  • 批准号:
    1000231461-2016
  • 财政年份:
    2020
  • 资助金额:
    $ 6.56万
  • 项目类别:
    Canada Research Chairs
Probing bubble-bitumen-mineral interaction mechanisms in bitumen liberation and extraction from oil dands by quantitative force measurements
通过定量力测量探讨沥青释放和从油中提取的气泡-沥青-矿物相互作用机制
  • 批准号:
    543480-2019
  • 财政年份:
    2020
  • 资助金额:
    $ 6.56万
  • 项目类别:
    Collaborative Research and Development Grants
Removing water from diluted bitumen in naphthenic froth treatment of oil sands production and the underlying interfacial science
油砂生产环烷泡沫处理中稀释沥青中的水去除及其基础界面科学
  • 批准号:
    543409-2019
  • 财政年份:
    2020
  • 资助金额:
    $ 6.56万
  • 项目类别:
    Collaborative Research and Development Grants

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Probing and Modulating Interactions of Drops, Bubbles and Particles with Implications for Chemical Engineering Processes
探测和调节液滴、气泡和颗粒的相互作用对化学工程过程的影响
  • 批准号:
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    2020
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    $ 6.56万
  • 项目类别:
    Discovery Grants Program - Individual
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