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Updated: Feb 23, 2026

Measuring the Interaction Force Between a Droplet and a Super-hydrophobic Substrate by the Optical Lever Method
Published on: June 14, 2019
The hydrophobic force for bubble-particle attachment in flotation - a brief review
Yaowen Xing1, Xiahui Gui, Yijun Cao
1School of Chemical Engineering and Technology, China University of Mining and Technology, Xuzhou 221116, Jiangsu, China. cumtxyw@126.com.
Abstract:
A deep understanding of the bubble-particle attachment is critical to flotation science and engineering. Historically, the so called "hydrophobic force" has been widely accepted to be the reason for bubble-particle attachment although its origin is still under debate now. In this paper, a number of representative mechanisms for the origin of hydrophobic attractions are reviewed, with the main focus being on solid-solid systems. Then we highlight the recent advances in the hydrophobic force measurement between bubble and particle. Quantitative description of the hydrophobic force in bubble-particle system has been achieved recently. This review is closed with a brief conclusion and perspective discussion.
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