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Feasibility Study for Removal of Red Tide by Batch Fed Electron Beam Irradiation  

Kang, Ho (Department of Environmental Engineering, Chungnam National University)
Lim, Seon-Ae (Department of Environmental Engineering, Chungnam National University)
Jeong, Ji-Hyun (Department of Environmental Engineering, Chungnam National University)
Kim, Yu-Ri (EB Tech Co., Ltd.)
Han, Beom-Su (EB Tech Co., Ltd.)
Publication Information
Journal of Korean Society of Environmental Engineers / v.32, no.3, 2010 , pp. 248-255 More about this Journal
Abstract
This study was carried out to assess the feasibility of the electron beam irradiation as a mean of red tide control in coastal water. Prorocentrum minimum, Prorocentrum micans, Cochlodinium polykrikoides, Heterosigma akashiwo, Alexnadrium catenella were selected and cultured for experiments, and red tide occurring in Tongyeong(2007. 8. 15) was also tested under the same conditions. The irradiation dose were 1 kGy, 2 kGy, 4 kGy and 8 kGy. The result showed 50~65% extinction in red tide cells was observed right after irradiation dose of 1 kGy and 86~97% within 1 day after irradiation, compared with control. Chlorophyll-a concentration of red tide was reduced by 50~64% immediately and it was drastically reduced up to 86~97% 1 day after irradiation. When the culture was irradiated at 1 kGy, 28~47% of s-protein was released immediately, and 77~138% was released 1day after irradiation. 77~212% of s-carbohydrate was excreted after 1 day while 16~45% of s-carbohydrate was excreted immediately. A transmission electron microscope(TEM) observation for the irradiated red tide revealed that the cell was destroyed and intracellular biopolymeric substance was leached out from the damaged cell as a result of electron beam irradiation. These results imply that electron beam irradiation is enable to control red tide by flocculation with extracellular biopolymer. The paralytic shellfish poisoning(PSP) toxin contents produced by Alexandrium catenella was decreased 48% by 1 kGy of electron beam irradiation compared with the unirradiated cells. As a result, electron beam irradiation was effective for detoxication as well as destruction of red tide.
Keywords
Red Tide; Electron Beam; Chlorophyll-a; Extracellular Polymeric Substance(EPS); Paralytic Shellfish Poisoning (PSP) Toxin;
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Times Cited By KSCI : 4  (Citation Analysis)
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1 Bricelj, V. M. and shumway, S. E., "Paralytic Shellfish Toxins in Bivalve Molluscs: Occurrence, Transfer Kinetics, and Biotransformation," Rev. Fish. Sci. 6, 315-383(1998).   DOI   ScienceOn
2 Oshima, Y. B., Luckas and Hummert, "Analytical methods for paralytic shellfish poisons. In: Manual on Harmful Marine Microalgae," Hallegraeff, G. M., D. M. Anderson and A. K. Cembella(eds), Intergovernmental Oceanigraphic Commission, UNESCO, France, pp. 191-209(2003).
3 Oshima, Y., "Chemical and enzymatic transformation of paralytic shellfish toxins in marine organisms. In: Harmful Marine Algal Blooms," Lassua, P., Arzul, g., Erard, e., Gentien, P. and Marcaillou, C.(eds), Lavoisier, Intercept Ltd. pp. 475-480(1995).
4 강 호, 나은경, 신경숙, 장제헌, "전자선조사를 이용한 부영양화 호수와 연안에서의 조류제어 가능성에 관한 연구," 대한환경공학회지, 25(11), 1368-1374(2003).
5 윤종섭, 김승현, 윤조희, "황토살포에 의한 적조생물 제거," 대한환경공학회지, 25(3), 358-363(2003).
6 박지현, 이병호. "적조방제용 황토살포가 연안 저서생태계에 미치는 영향," 한국환경과학회지, 15(11), 1035-1043(2006).   과학기술학회마을
7 이창규, 이옥희, 이삼근. "한국연안에서 분리한 적조형성 미세조류 10종의 성장에 미치는 온도, 염분, 광도의 영향," J.Korean Soc. Ocean., 10(1), 79-91(2005).   과학기술학회마을
8 Guillard, R. R. L. and Ryther J. H., "Studies of marine planktonic diatoms: I. Cyclotella nana Hustedt and Detonula confervacea Cleve," Can. J. Micobiol. 8, 229-239(1962).
9 Guillard, R. R. L., "Culture of phytoplankton for feeding marine invertebrates, In: Culture of Marine Invertebrate Animals," Smith, W. L. and Chanley M. H. (eds.), Plenum Press, New York, USA., pp. 26-70(1975).
10 Woods, R. J. and Pikaev, A. K., "Appled Radiation Chemistry Radiation Processing," Wiley Inter Science, New York, USA., pp. 104-120(1994).
11 김한규, "끈상여재를 이용한 살수여상시스템에서 EPS 성상변화 및 수질특성," 단국대학교 대학원 토목환경공학과(2006).
12 Kao, C. Y., "Paralytic shellfish poisoning. In: Algal Toxins in Seafood and Drinking Water," Falconer, I.R.(ed), Academic Press. London, pp. 75-86(1993).
13 박정경. "진해만의 마비성 패독 발생과 Real-time PCR 기법을 이용한 Alexandrium속의 검출," 부경대학교 대학원(2008).