Improvement of Mass Transfer Characteristics for the Gas-Liquid System in a Vortex Counterflow Apparatus

Vsevolod Sklabinskyi, Ivan Pavlenko, Maksym Skydanenko, Sylwia Włodarczak, Andżelika Krupińska, Marek Ochowiak () and Izabela Kruszelnicka ()
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Vsevolod Sklabinskyi: Faculty of Technical Systems and Energy Efficient Technologies, Sumy State University, 116, Kharkivska St., 40007 Sumy, Ukraine
Ivan Pavlenko: Faculty of Technical Systems and Energy Efficient Technologies, Sumy State University, 116, Kharkivska St., 40007 Sumy, Ukraine
Maksym Skydanenko: Faculty of Technical Systems and Energy Efficient Technologies, Sumy State University, 116, Kharkivska St., 40007 Sumy, Ukraine
Sylwia Włodarczak: Department of Chemical Engineering and Equipment, Poznan University of Technology, 4, Berdychowo St., 60-965 Poznan, Poland
Andżelika Krupińska: Department of Chemical Engineering and Equipment, Poznan University of Technology, 4, Berdychowo St., 60-965 Poznan, Poland
Marek Ochowiak: Department of Chemical Engineering and Equipment, Poznan University of Technology, 4, Berdychowo St., 60-965 Poznan, Poland
Izabela Kruszelnicka: Department of Environmental Engineering and Energy Department of Water Supply and Bioeconomy Berdychowo 4, 60-965 Poznan, Poland

Energies, 2025, vol. 18, issue 4, 1-18

Abstract: This article aims to increase the intensity of mass transfer between gas and liquid in counterflow gas–liquid flow, one of the key problems in designing mass transfer equipment. For this purpose, analytical and experimental studies were carried out to evaluate the main features of operating processes in a vortex counterflow apparatus. In particular, the presented research substantiates the possibility of achieving several theoretical stages of concentration change in a single atomizing stage of the vortex counterflow mass transfer apparatus. The corresponding experimental stand was developed to carry out experimental studies. Afterward, the efficiency of the vortex counterflow mass transfer apparatus was evaluated. The model was based on material balance and flow rate equations, allowing for the determination of mass transfer and intensity ratio. After comparing the analytical expressions with the experimental results, the regression dependence for evaluating the main parameter of the proposed mathematical model was obtained. An increase in steam consumption led to increased steam velocities, affecting the droplets. This fact proved an increase in the intensity of mass transfer processes. The studies substantiated the achievement of several theoretical stages of concentration change and increased the efficiency of a vortex counterflow mass transfer apparatus. From a practical viewpoint, the experimental studies confirmed that when the height and radius ratio is less than 0.6–0.7, it is possible to create a plane vortex countercurrent motion of gas and liquid flows with a significant increase in peripheral gas velocities along the radius of the vortex chamber.

Keywords: mass transfer; material balance; energy efficiency; process innovation; phase concentration; gas flow (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2025
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