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최선화 ( Choi Sun-hwa ),장정렬 ( Jang Jeong-ryeol ),안열 ( Ahn Yeul ) 한국농공학회 2005 한국농공학회 학술대회초록집 Vol.2005 No.-
This study was carried out to evaluate of water purification in oxidation pond with filamentous algae mat. It is the water treatment process in the small rural streams to remove the organic materials and nutrients. We used the filamentous algae mat(FAM) which selectively predominate the filamentous algae to prevent the additional contamination by algae outflow. The removal efficiencies of COD, SS, T-N and T-P in Oxidation Pond with Filamentous Algae Mat were -2.5%, 84.7%, 63.9% and 89.2%, respectively. The removal efficiencies of T-N and T-P which are nutrients index were high. Results of this study would help us to determine the possibility of using the water treatment on the contaminated small rural streams.
최선화 ( Sun Hwa Choi ),김호일 ( Ho Il Kim ),안열 ( Yeul Ahn ),장정렬 ( Jeon Ryeol Jang ),오종민 ( Jong Min Oh ) 한국하천호수학회 2004 생태와 환경 Vol.37 No.2
This study was conducted to investigate the effects of salinity in irrigation water on the growth, yield components, yield and grain quality of rice plant by the pot experiments. Irrigation waters were supplied with control and amended with NaCl at 1,000, 2,000, 3,000, 5,000, and 7,000 ㎲ ㎝^(-1) electrical conductivity. A randomized block design was used with four replicates for each treatment and control. As increasing salt concentration, plant height, tiller number, SPAD value, dry weight, content of N, P, and K, ripened grain ratio (%), 1,000 grain weight, and protein con-tent (%) tended to decrease, especially, significant at 3,000 ㎲ ㎝^(-1) of salt level. Grain yield decreased significantly at all treatments. The percentage of head rice slightly tended to increase as the salt concentration due to the decrease of green kernel. The percentage of green kernel was significantly lower at 3,000 ㎲ ㎝^(-1) of salt level than the control.
최선화,안열,오종민 경희대학교 2005 環境硏究 論文集 Vol.14 No.-
This study was carried out to evaluate of water purification in oxidation pond with filaments algae mat. It is the water treatment process in the small rural streams to remove the organic materials and nutrients. We used the filaments algae mat(FAM) which selectively predominate to prevent the additional contamination by algae outflow. The removal efficiencies of COD, SS, T-N and T-P in oxidation pond with filaments algae mat were -2.5%, 84.7%, 63.9% and 89.2%, respectively. The removal efficiencies of T-N and T-P which are nutrients index were high. Results of this study would help us to determine the possibility of using the water treatment on the contaminated small rural streams.