Issue 2, 2017

Investigation of dynamic surface tension in gas–liquid absorption using a microflow interfacial tensiometer

Abstract

Surface tension is an important parameter that dominates gas–liquid dual-phase flow. In this study, the dynamic surface tension caused by changing substance concentrations at the gas–liquid interface was determined using a microflow interfacial tensiometer. The instantaneous surface tensions at the bubble rupturing moment in a CO2 chemical absorption process were determined from the bubble diameter. The mass transfer across the interface and the chemical reaction within the liquid caused up to a 7.2 mN m−1 reduction in the surface tension, as compared with that in a process without absorption, and the decrease in the surface tension can be expressed into a Langmuir–Szyszkowski equation of the CO2 interfacial concentration. This study clarifies the effect of chemical absorption on multiphase fluid dynamics parameters, which is less discussed in chemistry and chemical engineering studies.

Graphical abstract: Investigation of dynamic surface tension in gas–liquid absorption using a microflow interfacial tensiometer

Article information

Article type
Paper
Submitted
15 Қаз. 2016
Accepted
13 Ақп. 2017
First published
13 Ақп. 2017

React. Chem. Eng., 2017,2, 232-238

Investigation of dynamic surface tension in gas–liquid absorption using a microflow interfacial tensiometer

L. Yang, G. Liu, S. Luo, K. Wang and G. Luo, React. Chem. Eng., 2017, 2, 232 DOI: 10.1039/C6RE00191B

To request permission to reproduce material from this article, please go to the Copyright Clearance Center request page.

If you are an author contributing to an RSC publication, you do not need to request permission provided correct acknowledgement is given.

If you are the author of this article, you do not need to request permission to reproduce figures and diagrams provided correct acknowledgement is given. If you want to reproduce the whole article in a third-party publication (excluding your thesis/dissertation for which permission is not required) please go to the Copyright Clearance Center request page.

Read more about how to correctly acknowledge RSC content.

Social activity

Spotlight

Advertisements