Insight into the Fine Particle Removal in Flue Gas by the Insertion Swirling Wet Electrostatic Precipitator
Publication: Journal of Environmental Engineering
Volume 150, Issue 11
Abstract
Fine particulate matter is challenging to capture due to its minuscule size, which affects its chargeability. The agglomeration method has been proven to be the most effective pretreatment technology for enhancing the removal of fine particles. This study proposes a novel dust-removal system that integrates turbulence-induced agglomeration into the wet electrostatic precipitator. The results showed that the removal efficiency of fine particles with a negative corona voltage was significantly higher, and removal efficiencies for particles smaller than 10.0 μm exceeded 90%. Furthermore, fine particles carried a larger charge when subjected to negative corona discharge, resulting in more-effective dust retention. The turbulence effect facilitates the removal of fine particles by promoting their agglomeration in turbulent conditions. The removal efficiency can increase significantly with turbulence, and this enhancement effect is more pronounced at higher flow rates. This study provides insight into the comprehensive removal of multiple pollutants from industrial flue gases.
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Data Availability Statement
Some or all data, models, or code that support the findings of this study are available from the corresponding author upon reasonable request.
Acknowledgments
This work was supported by the Science and Technology Planning Project of Jiangsu Provincial Environmental Protection Group (No. JSEP-TZ-2021-1003-RE).
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Published In
Journal of Environmental Engineering
Volume 150 • Issue 11 • November 2024
Copyright
© 2024 American Society of Civil Engineers.
History
Received: Nov 29, 2023
Accepted: May 28, 2024
Published online: Aug 20, 2024
Published in print: Nov 1, 2024
Discussion open until: Jan 20, 2025
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