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Analysis of stability of silica nano-particle-laden microbubble dispersion

  • Chemical and Bioengineering for Sustainable Environment
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Abstract

Microbubbles are small gas-filled bubbles which have wide application in various industries. The stability of microbubble is of primary concern for the application of microbubble. In this research, the stability of microbubble dispersion generated using CTAB surfactant is analyzed by drainage mechanism. The stability of microbubble dispersion is studied on the basis of the half-life of microbubble dispersion. Microbubble dispersion gas fraction and apparent rise velocity of interface of microbubble dispersion are also calculated. The size of microbubble is estimated from the apparent rise velocity of interface of microbubble dispersion. Further, silica nano-particles are added to the surfactants to study their effect on the stability of microbubble dispersion. The observed results clearly indicate that the stability of microbubble dispersion is significantly affected by the surfactant concentration and the weight of silica nano-particle in the liquid. Similar results were observed for the apparent rise velocity of interface and bubble size of dispersion. The present work may be beneficial for the application of microbubble in various chemical and biochemical industries and scientific community.

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Authors and Affiliations

  1. Department of Chemical Engineering, Maulana Azad National Institute of Technology, Bhopal, 462003, M.P, India

    Rashi Gupta, Roshan Saini & Rajeev Parmar

Authors
  1. Rashi Gupta
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  2. Roshan Saini
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  3. Rajeev Parmar
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Contributions

Rashi Gupta contributed in generation of experimental data and analysis of the results. She also participated in the investigation and methodology of processes.

Roshan Saini contributed in generation of experimental data and analysis of the results.

Dr Rajeev Parmar contributed in the supervision and validation of the experiments. He also participated in the writing of the original draft.

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Correspondence to Rajeev Parmar.

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The authors declare no competing interests.

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Gupta, R., Saini, R. & Parmar, R. Analysis of stability of silica nano-particle-laden microbubble dispersion. Environ Sci Pollut Res 30, 24899–24906 (2023). https://doi.org/10.1007/s11356-021-18019-8

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  • DOI: https://doi.org/10.1007/s11356-021-18019-8

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