土木学会論文集B2(海岸工学)
Online ISSN : 1883-8944
Print ISSN : 1884-2399
ISSN-L : 1883-8944
尼崎運河の藻類を用いた水質改善水路での夜間LED照射による効果と適用方法
山中 亮一上月 康則桶川 博教沢田 晃聖前田 真里沓掛 安宏平井 住夫一色 圭佑
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2012 年 68 巻 2 号 p. I_1166-I_1170

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The Amagasaki Canal, an enclosed waters, have been polluted and eutrophication and hypoxic condition occurr chronically. To restore the aqueous environment of the canal,a water purifying plant was designed and substantiative experiment have been conducted by Amagasaki Sea Blue Project. The water improvement cannel using algae part of the plant is highly effective in improving desolved oxygen and importing nutrient in day time. However, desolved oxygen consumption and nutrient release are caused by the decomposition of dead algae during night time. To solve the problem, exciation of photosynthesis by LED light is devised. In this study, the effect of productivity and nutrients importation by LED light irradiation was evaluated, and application methodology of LED light such as installation span and photon density were estimated.

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© 2012 公益社団法人 土木学会
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