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Çѱ¹ÇÏõȣ¼öÇÐȸ / v.42, no.2, 2009³â, pp.153-160
ºñÁ¡¿À¿°¿øÀ¸·ÎºÎÅÍ ¿À¿°µÈ ÇÏõ¼ö¿¡¼­ ½Ä¹°Çöûũſ ¹è¾çÀ» ÀÌ¿ëÇÑ ¿µ¾ç¿°·ù Á¦°Å
( Removal of Nutrients from Stream Water Polluted with Nonpoint Source Pollution by Cultivation of Phytoplankton. )
Á¶¾È³ª;Á¤´Ù¿î;Á¤À¯Á¤;ÃÖ½ÂÀÍ;¾Èż®; °­¿ø´ëÇб³ ȯ°æ°úÇаú;°­¿ø´ëÇб³ ȯ°æ°úÇаú;°­¿ø´ëÇб³ ȯ°æ°úÇаú;°­¿ø´ëÇб³ºÎ¼Ó ȯ°æ¿¬±¸¼Ò;°­¿ø´ëÇб³ ȯ°æ°úÇаú;
 
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ºñÁ¡¿À¿°¿øÀ¸·ÎºÎÅÍ ¿À¿°µÈ ¼ÒÇÏõ¿¡¼­ ¿µ¾ç¿°·ù¸¦ Á¦°ÅÇϱâ À§ÇÏ¿© ½Ä¹°Çöûũſ ¹è¾ç ÀåÄ¡¸¦ ¼³Ä¡ÇÏ°í ¿î¿µÇÏ¿´´Ù. ½Ä¹°Çöûũſ ¹è¾çÁ¶¿¡¼­ ½Ä¹°Çöûũſ Á¤Ä¡¹è¾ç °á°ú, ½Ä¹°ÇöûũſÀÇ ¿¬¼Ó¹è¾çÀ» À§ÇÑ ¹è¾çÁ¶ÀÇ Ã¼·ù ½Ã°£À» 3ÀÏ·Î °áÁ¤ÇÏ¿´À¸¸ç TP´Â 70%, TNÀº 44%°¡ Á¦°ÅµÊÀ» È®ÀÎÇÏ¿´´Ù. ¿¬¼Ó¹è¾ç °á°ú 45ÀÏ µ¿¾È ¹è¾çÁ¶¿¡ À¯ÀÔµÈ TPÀÇ 53.9%, TNÀÇ 53.1%°¡ ½Ä¹°Çöûũſ¿¡ ÀÇÇÑ Èí¼ö¿Í ½½·¯Áö·Î Á¦°ÅµÇ¾ú´Ù. ½Ä¹°ÇöûũſÀÌ ¼ºÀåÇϸ鼭 ¹è¾çÁ¶ÀÇ pH¿Í ¿ëÁ¸»ê¼Ò³óµµ´Â °¢°¢ Æò±Õ 10.8, 16mg $L^{-1}$À̾ú´Ù. °á±¹ ºñÁ¡¿À¿°¿ø¿¡ ¿À¿°µÈ ÇÏõ¼öÀÇ ¿µ¾ç ¿°·ù´Â ½Ä¹°ÇöûũſÀÇ »çü¿Í È­ÇйÝÀÀÀ¸·Î »ý¼ºµÈ ħÀü¹°·Î Á¦°ÅµÇ¾ú´Ù. ºñ±³Àû ¼³Ä¡°¡ °£´ÜÇÏ°í °æÁ¦¼ºÀÌ ³ôÀº ½Ä¹°Çöûũſ ¹è¾ç¹ýÀÇ ³ôÀº ÇöÀåÀû¿ë °¡´É¼ºÀ» È®ÀÎÇÏ¿´´Ù.
A phytoplankton cultivation system was installed and operated for removal of nutrients from stream water polluted by nonpoint source pollution. The system was a continuous-flow culture comprising a phytoplankton tank that received inflow from a storage reservoir. When the system was operated as a batch culture for the purpose of determining hydraulic retention time (HRT), the proper HRT value was three days, and the removal rate of TP and TN averaged 70% and 44%, respectively. When the system was operated with the continuous flow from a stream for 45 days, 53.9% of TP and 53.1% of TN were removed as sludge. Due to active growth of phytoplankton, pH and dissolved oxygen in the phytoplankton tank were extremely high, reaching 10.8 and 16mg $L^{-1}$, respectively. It was concluded that nutrients can be effectively removed from polluted stream waters by cultivating phytoplankton.
 
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nonpoint source pollution;nutrient removal;phytoplankton;phytoplankton cultivation system;
 
Çѱ¹ÇÏõȣ¼öÇÐȸÁö / v.42, no.2, 2009³â, pp.153-160
Çѱ¹ÇÏõȣ¼öÇÐȸ
ISSN : 1976-8087
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200926158875910)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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