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水生植物を用いた水域浄化効率に関する一考察


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Title: 水生植物を用いた水域浄化効率に関する一考察
Other Titles: Study on the Purification Efficiency of Water by Aquatic Plants
Authors: 野口, 正人 / 吉田, 光 / 白川, 純子 / 牟田, 耕平
Authors (alternative): Masato, NOGUCHI / Hikaru, YOSHIDA / Junko, SHIRAKAWA / Kohei, MUTA
Issue Date: Jul-2002
Citation: 長崎大学工学部研究報告 Vol.32(59) p.167-170, 2002
Abstract: In order to attain the sound and sustainable water environment, it becomes important to reduce the pollutant runoff rates, especially from the nonpoint sources. Of course, accomplishment of sewerage system helps to attain the above purpose. At the same time, it is well known that there are some problems, such as CSO that is the Combined Sewer Overflow, financial restriction for treatment of stormwater, and so on. From these reasons, removal of pollutants by constructed wetland becomes to be interested, recently. In this paper, treatment efficiency of pollutants such as nutrients by constructed wetland has first been discussed referring to the some examples. Next, the velocity constant of treatment has been investigated, correlated to the flow rate of wastewater into the wetland and the hydraulic retention time in the facility. Finally, purification efficiency of water by the constructed wetland has been evaluated, carrying out the field observation by a facility in the Nagasaki University.
URI: http://hdl.handle.net/10069/5227
ISSN: 02860902
Type: Departmental Bulletin Paper
Appears in Collections:Volume 32, No. 59

Citable URI : http://hdl.handle.net/10069/5227

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