Abstract: Dust collection technology is used not only as a countermeasure for air pollution, but also as removing technology for nano-particles, simultaneous removal of gas and dust, and facilitating the use of equipment in extreme conditions such as high and low pressures and temperatures. Particle concentration in the atmosphere, especially PM_2.5, has not decreased despite a reduction in the concentration of dust discharged from stationary sources. This is thought to be because of the formation of secondary particles following the discharge of condensable and/or reactive gaseous materials. Therefore, there needs to be an improvement in dust collection technology. In this paper, recent developments in dust collection technology, especially bag filtration and electrostatic precipitators, are described, and the ISO standards related to bag filtration are summarized. The future prospects for these technologies are outlined. This paper contributes to our understanding of the capture of particulate matter, which will support the improvement of particle removal technologies and the development of future applications.

Key words: Dust collection; Electrostatic precipitator (ESP); Bag filters; ISO standards

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