Present Status of Air Filters and Exploration of Their New Applications

作者:Lee, Myong-Hwa; Choi, Hyun-Jin; Kumita, Mikio; Otani, Yoshio 刊名:KONA Powder and Particle Journal 上传者:张玉兰

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Advance Publication by J-STAGE Published online 30 September 2018 KONA Powder and Particle Journal /Doi:10.14356/kona.2020001 Review Paper 1 Copyright © 2018 The Authors. Published by Hosokawa Powder Technology Foundation. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/). Present Status of Air Filters and Exploration of Their New Applications † Myong-Hwa Lee1, Hyun-Jin Choi2, Mikio Kumita3 and Yoshio Otani3* 1 Kangwon National University, Korea 2 Korea Environment Institute, Korea 3 College of Science and Engineering, Kanazawa University, Japan Abstract There is an increasing demand of air filters with a high collection performance, i.e., high collection efficiency and low pressure drop, for the application to indoor air cleaning. Air filters consisting of nanofibers have attracted great interests since they may have a low pressure drop because of slip flow effect and high collection efficiency due to enhanced interception effect. Although various nanofiber filters are available on the market, their collection performance is not as high as expected by the conventional filtration theory because non-uniform packing of fibers plays a significant role in the nanofiber filtration. In the present review, the present status of development of high performance air filters are reviewed. We may use air filters not only for the removal of particles but also for the classification of particles by selecting an appropriate filter by operat

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