현장실험을 통한 수생식물의 수질정화 효과에 관한 연구

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이종성;김기남
Lee Jong-Sung;Kim Ki-Nam

  • 발행 : 2005.10.01

초록

Presently, aquatic plants are used for the water purification in inland water. This study was carried out to investigate the water purification effect of aquatic plants, Oenanthe javanica and Typha angustata, The experiment was conducted in outdoor flowing water was conducted for ten days, Water quality was measured in terms of water temperature, COD(chemical oxygen demand), SS(suspended solids), Total N, Total P. The results of field experimentation showed that hydraulic retention time was the earliest in July and August 2003, and there were not any particular changes of monthly water temperature in inflow water and outflow water. As we look at the changes taken place in inflow water and outflow water throughout the whole experiment period, the change of water quality in summer was salient, especially SS removal ratio showed distinguished change as $25\%$, when the pebble filter and aquatic were attached to it. The removal rate of COD, total N total P were $14,7\%,\;8\%\;and\;9\%$, respectively. In relating the length of water extension to the change in water quality, the water quality tended to get lower generally in proportion to hydraulic retention time.

키워드

Aquatic plants;COD;SS

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  1. 1. Strength and Water Purification Characteristics of Effective Microorganism-applied Volcanic Ash Block vol.55, pp.2, 2013, doi:10.5322/JES.2005.14.10.937