NDLI: A Method of Cyanobacteria Treatment Using Underwater Pulsed Streamer-Like Discharge

Content Provider	IEEE Xplore Digital Library
Author	Sakugawa, T. Aoki, N. Akiyama, H. Ishibashi, K. Watanabe, M. Kouda, A. Suematsu, K.
Copyright Year	1973
Abstract	Water bloom (named cyanobacterial bloom) is becoming a serious pollution problem all over the world. In this paper, a method of cyanobacteria treatment using underwater streamer-like discharge is reported. Repetitive underwater discharges are generated by all solid-state pulsed power system. Output voltage of the pulsed power system is 30 kV with 4 μs pulse width. We can generate repetitive underwater streamer-like discharge by the pulsed power system. And we have the system mounted in the water-bloom treatment apparatus. The size of streamer-like discharge is about 30-mm diameter. We conducted the experiment at a dam in Kyushu district in Japan. We have measured chlorophyll concentration, turbidity, potential of hydrogen, dissolved oxygen, conductivity, and temperature of water during treatment of cyanobacteria bloom. The treatment time is 60 min. All of them could be reduced. In particular, the chlorophyll concentration and the turbidity are remarkably decreased. Initial chlorophyll concentration is 600 μg/L, and initial turbidity is 1000 nephelometric turbidity unit (NTU). We obtained that treatment results of chlorophyll concentration and turbidity were 85 μg/L and 80 NTU, respectively.
Sponsorship	IEEE Nuclear and Plasma Sciences Society
Starting Page	794
Ending Page	798
Page Count	5
File Size	1412557
File Format	PDF
ISSN	00933813
Volume Number	42
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Discharges (electric) Educational institutions Streaming media Modulation Algae Surface treatment Power systems turbidity Chlorophyll cyanobacteria gas vesicle magnetic pulse compression (MPC) streamer discharge
Content Type	Text
Resource Type	Article
Subject	Nuclear and High Energy Physics Condensed Matter Physics

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