NDLI: Multi-electrode electrohydraulic discharge for sterilization and disinfection

Content Provider	IEEE Xplore Digital Library
Author	Huang, Y. Yan, H. Li, S. Yan, K.
Copyright Year	2009
Description	Author affiliation: Department of Environmental Science, Xixi Campus, Zhejiang University, Hangzhou 310007, China (Huang, Y.; Yan, H.; Li, S.; Yan, K.)
Abstract	Electrohydraulic discharge (EHD) can generate localized plasma emitting high intensity ultraviolet, and generating shock wave and active species. It is a multiple mode-of-action approach of sterilization and disinfection. Based on a homemade experimental setup, including all solid-switch capacitive pulsed power source and multi-electrode EHD reactor, we experimentally investigate the mechanism of EHD for chlorella inactivation. Typical energy range of the pulse power source is 5–500J with a repetition rate of 1–10Hz. Mono-current pulse wave is applied on the EHD reactor. We also design a multiple electrode configuration to increase the chlorella inactivation efficiency of over 90%. Besides, a monochromator combined with PMT and a high speed CCD camera system are used to detect the ultraviolet emission and pulsed plasma induced bubble growth process, respectively. After discharging, the concentration of chlorophyll measured by UV-visible spectrophotometer rises, which is caused by the broken up of chlorella cell.
Starting Page	886
Ending Page	891
File Size	1533394
Page Count	6
File Format	PDF
ISBN	9781424440641
DOI	10.1109/PPC.2009.5386379
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-06-28
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Electrohydraulics Fault location Plasma waves Inductors Plasma measurements Plasma sources Shock waves Electrodes Charge coupled devices Charge-coupled image sensors
Content Type	Text
Resource Type	Article

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