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Foam-based cleaning of surfaces contaminated with mixtures of oil and soot
Journal of Surfactants and Detergents ( IF 1.6 ) Pub Date : 2022-01-18 , DOI: 10.1002/jsde.12580
Tamara Schad 1 , Natalie Preisig 1 , Wiebke Drenckhan 2 , Cosima Stubenrauch 1, 3
Affiliation  

Liquid foams of intermediate stability have been shown to be very efficient in the cleaning of sensitive surfaces because of the synergy between imbibition and foam decay. While we quantified these mechanisms for contaminations with liquid oils in our previous work, we show here their extension to oils containing soot particles in an effort to simulate increasingly realistic contaminations. Using foams with a wide range of liquid fractions and with different stabilities, we show that the main cleaning mechanisms remain very similar, with the oil entraining the soot particles. However, we find much less efficient soot removal when the liquid channels of the foams are small enough to hinder efficient transport of the soot particles.

中文翻译:

基于泡沫清洁被油和烟灰混合物污染的表面

由于吸水和泡沫衰减之间的协同作用,中等稳定性的液体泡沫已被证明在清洁敏感表面方面非常有效。虽然我们在之前的工作中量化了这些液体油污染的机制,但我们在这里展示了它们对含有烟灰颗粒的油的扩展,以模拟越来越真实的污染。使用具有多种液体成分和不同稳定性的泡沫,我们表明主要的清洁机制仍然非常相似,油会夹带烟尘颗粒。然而,当泡沫的液体通道小到足以阻碍烟灰颗粒的有效传输时,我们发现烟灰去除的效率要低得多。
更新日期:2022-01-18
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