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Effect of Janus nanoparticles on foam snap off in porous media

  • Yang Wang

    Yang Wang, researcher of State Key Laboratory of Shale Oil and Gas Enrichment Mechanisms and Effective Development, associate professor of Xi’an Shiyou University.

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    , Ping Liu

    Ping Liu, researcher of State Key Laboratory of Shale Oil and Gas Enrichment Mechanisms and Effective Development.

    , Yangwen Zhu

    Yangwen Zhu, researcher of State Key Laboratory of Shale Oil and Gas Enrichment Mechanisms and Effective Development.

    , Guanli Xu

    Guanli Xu, researcher of State Key Laboratory of Shale Oil and Gas Enrichment Mechanisms and Effective Development.

    , Zijing Cui

    Zijing Cui, postgraduate of Xi’an Shiyou University.

    and Ruotong Du

    Ruotong Du, postgraduate of Xi’an Shiyou University.

Published/Copyright: May 7, 2024
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Abstract

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.


Corresponding author: Yang Wang, State Key Laboratory of Shale Oil and Gas Enrichment Mechanisms and Effective Development, Beijing, China; and Xi’an Shiyou University, Xi’an, China, E-mail:

About the authors

Yang Wang

Yang Wang, researcher of State Key Laboratory of Shale Oil and Gas Enrichment Mechanisms and Effective Development, associate professor of Xi’an Shiyou University.

Ping Liu

Ping Liu, researcher of State Key Laboratory of Shale Oil and Gas Enrichment Mechanisms and Effective Development.

Yangwen Zhu

Yangwen Zhu, researcher of State Key Laboratory of Shale Oil and Gas Enrichment Mechanisms and Effective Development.

Guanli Xu

Guanli Xu, researcher of State Key Laboratory of Shale Oil and Gas Enrichment Mechanisms and Effective Development.

Zijing Cui

Zijing Cui, postgraduate of Xi’an Shiyou University.

Ruotong Du

Ruotong Du, postgraduate of Xi’an Shiyou University.

  1. Research ethics: Not applicable.

  2. Author contributions: The authors have accepted responsibility for the entire content of this manuscript and approved its submission.

  3. Competing interests: The authors state no conflict of interest

  4. Research funding: The State Key Laboratory of Shale Oil and Gas Enrichment Mechanisms and Effective Development (33550000-22-ZC0613-0029). The National Natural Science Foundation of China (52004218, 52374040, 51934005, 52174031, 52174028).

  5. Data availability: The raw data can be obtained on request from the corresponding author.

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Received: 2023-10-12
Accepted: 2024-02-08
Published Online: 2024-05-07
Published in Print: 2024-05-27

© 2024 Walter de Gruyter GmbH, Berlin/Boston

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