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Air ionization as a control technology for off-gas emissions of volatile organic compounds

Title
Air ionization as a control technology for off-gas emissions of volatile organic compounds
Author
김기현
Keywords
Air pollution control; Ionization; Radical; VOCs; Odors; Oxidative destruction
Issue Date
2017-06
Publisher
ELSEVIER SCI LTD
Citation
ENVIRONMENTAL POLLUTION, v. 225, page. 729-743
Abstract
High energy electron-impact ionizers have found applications mainly in industry to reduce off-gas emissions from waste gas streams at low cost and high efficiency because of their ability to oxidize many airborne organic pollutants (e.g., volatile organic compounds (VOCs)) to CO2 and H2O. Applications of air ionizers in indoor air quality management are limited due to poor removal efficiency and production of noxious side products, e.g., ozone (O-3). In this paper, we provide a critical evaluation of the pollutant removal performance of air ionizing system through comprehensive review of the literature. In particular, we focus on removal of VOCs and odorants. We also discuss the generation of unwanted air ionization byproducts such as O-3, NOx, and VOC oxidation intermediates that limit the use of air-ionizers in indoor air quality management. (C) 2017 Published by Elsevier Ltd.
URI
https://www.sciencedirect.com/science/article/pii/S0269749117300556?via%3Dihubhttp://repository.hanyang.ac.kr/handle/20.500.11754/114655
ISSN
0269-7491; 1873-6424
DOI
10.1016/j.envpol.2017.03.026
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > CIVIL AND ENVIRONMENTAL ENGINEERING(건설환경공학과) > Articles
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