Version 1
: Received: 6 November 2020 / Approved: 8 November 2020 / Online: 8 November 2020 (14:50:39 CET)
How to cite:
Zhang, W.; Ning, S.; Jin, H.; He, G.; Ma, L.; Guo, X.; Zhang, R. An Experimental Investigation of Air-Acetic Acid Solution Gas-Liquid Two Phase in a Bubble Column. Preprints2020, 2020110258. https://doi.org/10.20944/preprints202011.0258.v1
Zhang, W.; Ning, S.; Jin, H.; He, G.; Ma, L.; Guo, X.; Zhang, R. An Experimental Investigation of Air-Acetic Acid Solution Gas-Liquid Two Phase in a Bubble Column. Preprints 2020, 2020110258. https://doi.org/10.20944/preprints202011.0258.v1
Zhang, W.; Ning, S.; Jin, H.; He, G.; Ma, L.; Guo, X.; Zhang, R. An Experimental Investigation of Air-Acetic Acid Solution Gas-Liquid Two Phase in a Bubble Column. Preprints2020, 2020110258. https://doi.org/10.20944/preprints202011.0258.v1
APA Style
Zhang, W., Ning, S., Jin, H., He, G., Ma, L., Guo, X., & Zhang, R. (2020). An Experimental Investigation of Air-Acetic Acid Solution Gas-Liquid Two Phase in a Bubble Column. Preprints. https://doi.org/10.20944/preprints202011.0258.v1
Chicago/Turabian Style
Zhang, W., Xiaoyan Guo and Rongyue Zhang. 2020 "An Experimental Investigation of Air-Acetic Acid Solution Gas-Liquid Two Phase in a Bubble Column" Preprints. https://doi.org/10.20944/preprints202011.0258.v1
Abstract
The hydrodynamic behavior of the air-acetic acid system in a bubble column is studied using a differential pressure transmitter, double probe optical fiber probe, and the electrical resistance tomography (ERT) technique. The superficial gas velocity ranges from 0.016 to 0.094 m/s under ambient temperature and pressure. The influences of viscosity and surface tension on gas holdup, bubble rising velocity, and bubble chord distribution in the column are discussed with different mass fractions of an acetic acid solution. The results show that as the mass fraction of acetic acid increases, the surface tension of the liquid phase decreases, and the viscosity first increases and then decreases. This causes the gas holdup in the column to first increase and then decrease, and reaches the maximum value at an acetic acid mass fraction of 55% to 60%. The rising velocity of the bubbles in the column is high in the central region and has a low-value distribution near the wall. The bubble chord length distribution is concentrated, and the distribution of the bubble chord length in the column becomes narrow with any decrease in surface tension. Studying the hydrodynamic behavior of a bubble column with the air-acid system is of great significance considering the absence of data on air-organic acid systems.
Chemistry and Materials Science, Analytical Chemistry
Copyright:
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
