期刊名称：IOP Conference Series: Earth and Environmental Science
印刷版ISSN：1755-1307
电子版ISSN：1755-1315
出版年度：2019
卷号：310
期号：5
页码：1-6
DOI：10.1088/1755-1315/310/5/052027
出版社：IOP Publishing
摘要：This work applied ozone water spraying to explore the feasibility of inactivating bioaerosol. The inactivating efficiency using ozone water (OW) spraying individually against airborne strains Escherichia coli (E. coli) bioaerosols was evaluated in the testing chamber. The setting air exchanged rate (ACH) in this work were 0.5 and 1.0 h−1. The OW operating concentration of 0.5 and 1.0 ppm were sprayed into the testing chamber for inactivating bioaerosols, respectively. Higher OW spraying concentration showed better inactivating results. The inactivation constant of E.Coli against WO 0.5 and 1.0 ppm spraying under ACH 1.0 h−1 was 0.236 and 0.435 (min−1). Moreover, the bioaerosol removal efficiency would increase with ACH. The inactivation decay coefficient of WO 1.0 ppm spraying against E.Coli was 0.312 and 0.435 (min−1) under ACH 1.0 and 0.5 h−1. The results demonstrated that the WO spraying technology was effective in inactivating bioaerosols.
