Experimental investigation of integrated air purifying technology for bioaerosol removal and inactivation in central air-conditioning system

Xiaohong Zheng, Kejun Li, Ruzhu Wang, Liping Zhao, Lisa X. Xu, Yazhu Chen, Xinqiao Jin, Bo Gu, Jingfeng Bai, Hongmin Liu, Xiaojiang Ye

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

In this research, high voltage static electricity and ultraviolet technologies were integrated to an air purifying device which can be used to trap and kill airborne bacteria and viruses in central air-conditioning systems. An experimental platform was built to mimic the central air system, in which the efficacy of the newly built device was examined. In addition to the standard physical and chemical tests, bacteriophages were used to simulate airborne viruses in the experimental system. The bacteriophage suspension was aerosolized into the air with ultrasonic wave atomization. The result showed that more than 86% removal efficiency of micro-particles (<10 micron in diameter) were removed after the device was in operation in a building and more than 95% of bacteriophages in the experimental system. It is concluded that the integrated air purifier is suitable for controlling air quality and preventing virus transmission through the central air system.

Original languageEnglish (US)
Pages (from-to)306-310
Number of pages5
JournalChinese Science Bulletin
Volume49
Issue number3
DOIs
StatePublished - Dec 1 2004
Externally publishedYes

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Air conditioning
Bacteriophages
Viruses
Air
Air cleaners
Static electricity
Ultrasonic waves
Atomization
Air quality
Bacteria
Electric potential

All Science Journal Classification (ASJC) codes

  • General

Cite this

Zheng, Xiaohong ; Li, Kejun ; Wang, Ruzhu ; Zhao, Liping ; Xu, Lisa X. ; Chen, Yazhu ; Jin, Xinqiao ; Gu, Bo ; Bai, Jingfeng ; Liu, Hongmin ; Ye, Xiaojiang. / Experimental investigation of integrated air purifying technology for bioaerosol removal and inactivation in central air-conditioning system. In: Chinese Science Bulletin. 2004 ; Vol. 49, No. 3. pp. 306-310.
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Experimental investigation of integrated air purifying technology for bioaerosol removal and inactivation in central air-conditioning system. / Zheng, Xiaohong; Li, Kejun; Wang, Ruzhu; Zhao, Liping; Xu, Lisa X.; Chen, Yazhu; Jin, Xinqiao; Gu, Bo; Bai, Jingfeng; Liu, Hongmin; Ye, Xiaojiang.

In: Chinese Science Bulletin, Vol. 49, No. 3, 01.12.2004, p. 306-310.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Experimental investigation of integrated air purifying technology for bioaerosol removal and inactivation in central air-conditioning system

AU - Zheng, Xiaohong

AU - Li, Kejun

AU - Wang, Ruzhu

AU - Zhao, Liping

AU - Xu, Lisa X.

AU - Chen, Yazhu

AU - Jin, Xinqiao

AU - Gu, Bo

AU - Bai, Jingfeng

AU - Liu, Hongmin

AU - Ye, Xiaojiang

PY - 2004/12/1

Y1 - 2004/12/1

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