The micro-mechanics of particle-interface collision is fundamental for revealing the separation mechanism of gas-borne particles in the bubble column. This study further investigates the particle penetration time under different concentrations of anionic and nonionic surfactant solutions at low impact velocities (u_p0 ≤ 0.5 m/s) utilizing high-speed imaging technique. The results show that the penetration time exhibits a power function to the particle size, which remains constant with increasing the concentration of surfactants. The variation of interfacial deformation width w_i and three-phase contact line d_TPCL controls the cavity shape and capillary force exerted on the particle, further influencing the penetration time. The increased concentration of surfactant slightly improves the particle surface wettability, while the interfacial deformation width w_i exhibits quite different features before and after reaching the critical micelle concentration (CMC). When c_surfactant < CMC, the impact cavity will cause the uneven distribution of interfacial concentration and induce the Marangoni effect. When c_surfactant> CMC, the disintegration of micelles can supply the monomers and eliminate the Marangoni effect. The model of penetration time has been extended to include the variation of surfactant at pre- and post- CMC.

颗粒-界面碰撞的微观机理是揭示气泡塔内气体颗粒分离机理的基础。这项研究进一步利用高速成像技术研究了在低浓度（u _p0≤0.5 m / s）下低浓度的阴离子和非离子表面活性剂溶液在不同浓度下的颗粒穿透时间。结果表明，渗透时间对粒径表现出幂函数，其随表面活性剂浓度的增加而保持恒定。界面变形宽度的变化瓦特_我和三相接触线d _TPCL控制腔体形状和施加在颗粒上的毛细作用力，进一步影响穿透时间。表面活性剂的浓度增加略微改善了颗粒表面的润湿性，而界面变形宽度瓦特_我之前和达到临界胶束浓度（CMC）时显示相当不同的特征。当c_{表面活性剂}<CMC时，冲击腔将引起界面浓度的不均匀分布并引起Marangoni效应。当Ç_{表面活性剂}> CMC，胶束可以提供单体和消除Marangoni效应的解体。渗透时间模型已经扩展到包括CMC前后的表面活性剂变化。