Work

Study on the effect of multi-stage filtration strategy on the wet filtration dust collector performance

Year: 2025

Type: article

Abstract: Wet Filter Dust Collectors (WFDC) are commonly used in the mining industry for dust control. However, when filtering high concentration dust-laden air streams, the filter of WFDC is easily clogged. To solve the problem, this paper proposes a multi-stage filtration strategy based on Metal-based filter screens (MBFS) and conducts experimental. The results indicate that when the inlet dust concentration was 400 mg/m³, using a dual-layer MBFS with filtration precisions of 40 and 60 mesh and an installation distance of 0 mm, the WFDC achieves the minimum pressure drop of 450.09 Pa and dust emission concentration of 2.89 mg/m³. Additionally, when the inlet dust concentration increases, the WFDC can operate stably for a long time, and no clogging was observed for the filter. The multi-stage filtration strategy effectively solves the filter clogging problem. The results provide theoretical guidance for the design and application of WFDCs. • A multi-stage filtration strategy was proposed for solving the filter clogging problem of conventional wet filtration dust collectors. • The optimal operating parameters were obtained from the experimental data. • The optimized wet filter dust collector has a total dust reduction efficiency of 99.28%.

Source: Environmental Technology & Innovation

DOI: 10.1016/j.eti.2025.104128

Authors: Shuda Hu, Shihang Li, Hao Jin, Xu Zhang

Institution: China University of Mining and Technology

Language: English

Topic: Aerosol Filtration and Electrostatic Precipitation

Subfield: Electrical and Electronic Engineering

Field: Engineering

Domain: Physical Sciences

SDGs: Responsible consumption and production, Clean water and sanitation

Open Access status: gold

Estimated APC paid: $2,930