Janus 纳米粒子对多孔介质中泡沫脱落的影响

IF 1.2 4区工程技术 Q4 CHEMISTRY, APPLIED

Tenside Surfactants Detergents Pub Date : 2024-05-07 DOI:10.1515/tsd-2023-2573

Yang Wang, Ping Liu, Yangwen Zhu, Guanli Xu, Zijing Cui, Ruotong Du

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引用次数: 0

摘要

纳米颗粒可以吸附在气液界面上，从而提高泡沫的稳定性。然而，均相纳米粒子的表面活性较低，其迁移到气液界面需要大量的能量输入。这导致了苛刻的发泡条件，严重限制了均相纳米粒子在泡沫稳定性方面的应用。用于研究 Janus 纳米粒子复合系统的微流体可视化模型被用来研究单个连通孔喉模型中被困气泡的形成行为。与表面活性剂体系和亲水性纳米粒子复合体系相比，孔隙中产生的泡沫数量减少、尺寸减小、质量提高、稳定性增强。

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Effect of Janus nanoparticles on foam snap off in porous media

Nanoparticles can be adsorbed at the gas-liquid interface to improve the stability of foam. However, homogeneous nanoparticles exhibit low surface activity, and their migration to the gas-liquid interface requires significant energy input. This leads to harsh foaming conditions and severely limits the application of homogeneous nanoparticles in foam stability. A microfluidic visualisation model for the study of Janus nanoparticle complex systems was used to investigate the formation behaviour of trapped bubbles in a single connected pore-throat model. The foam generated in the pore showed reduced quantities, sizes, improved quality, and enhanced stability compared to both surfactant systems and hydrophilic nanoparticle complex systems.

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来源期刊

Tenside Surfactants Detergents 工程技术-工程：化工

CiteScore

1.90

自引率

10.00%

发文量

审稿时长

3.8 months

期刊介绍： Tenside Surfactants Detergents offers the most recent results of research and development in all fields of surfactant chemistry, such as: synthesis, analysis, physicochemical properties, new types of surfactants, progress in production processes, application-related problems and environmental behavior. Since 1964 Tenside Surfactants Detergents offers strictly peer-reviewed, high-quality articles by renowned specialists around the world.