Filtration of mechanically activated seawater
https://doi.org/10.20914/2310-1202-2022-3-17-24
Abstract
This article presents the results of a comprehensive experimental study of the impact of mechanical activation (vibration activation, vibro-mechanical activation) on the processes of seawater filtration through the filter partitions, performed on physical models in a laboratory setting closely resembling industrial conditions. Over the course of the experimental work, the main indicators of the processes of seawater filtration were determined based on the constructed curves that characterize the dependence of this processes on the applied modes of mechanical action, specifically the average throughput of paper, fabric and bulk filters (sand, gravel) when filtering seawater without its preliminary activation, after its preliminary vibration activation and vibration mechanical activation for 120 seconds under the same conditions (air temperature in the room, initial water temperature, volume of filtered liquid, its mass, volume and height of the column, etc.); average pressure difference, as well as average volume flow. It has been established that vibration activation and vibro-mechanical activation of seawater contributes to an increase in the throughput through the paper filter: vibration activation (up to 60%), vibro-mechanical activation (up to 78%); fabric filter: vibration activation (up to 8%), vibo- mechanical activation (up to 71%); bulk filter: vibration activation (up to 41%); vibrо-mechanical activation (up to 116%). It is established that there is a clear advantage of vibrо-mechanical activation over vibration activation: paper filter (by 18%), fabric filter (63%), bulk filter (75%). Along with this, the study of seawater before and after mechanical action was reflected in the form of an analysis of changes in physical and chemical parameters such as temperature, pH value, density, salinity, and the total amount of dissolved solids that affect the result.
About the Authors
S. D. Rudnev
Kemerovo State University
Dr. Sci. (Engin.), professor, mechatronics and robotics of technological systems department, Krasnaya str., 6, Kemerovo, 650000, Russia
A. I. Krikun
Far Eastern State Technical Fishery University
Cand. Sci (Engin.), associate professor, technological machines and equipment department, Lugovaya str., 52B, Vladivostok, 690087, Russia
V. V. Feoktistova
Kemerovo State University
graduate student, mechatronics and robotics of technological systems department, Krasnaya str., 6, Kemerovo, 650000, Russia
M. V. Sumenkov
Limited Liability Company Autocentre «Duke and K»)
production director, , st. Bauman, d. 55, Kemerovo, 650040, Russia)
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Review
For citations:
Rudnev S.D., Krikun A.I., Feoktistova V.V., Sumenkov M.V. Filtration of mechanically activated seawater. Proceedings of the Voronezh State University of Engineering Technologies. 2022;84(3):17-24. (In Russ.) https://doi.org/10.20914/2310-1202-2022-3-17-24
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