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Áú¼Ò¿Í ÀÎÀÌ ÇÔÀ¯µÈ ´ë·®ÀÇ Æó¼ö ¹èÃâÀº Áß±¹¿¡¼­ ¹° ¿À¿°À» ÃÊ·¡ÇÏ´Â ÁÖ¿ä ¿äÀÎ Áß Çϳª·Î ²ÅÈ÷°í ÀÖ´Ù. ÇöÀç ¹Ì»ý¹°À» ÀÌ¿ëÇØ Áú¼Ò¿Í ÀÎÀ» Á¦°ÅÇÏ´Â ±â¼úÀÌ ¸¹ÀÌ È°¿ëµÇ°í ÀÖ´Ù. Áï, À¯±â Áú¼Ò¸¦ ±âü Áú¼Ò·Î ÀüȯÇÏ´Â ±â¼ú°ú ÀÎÀ» Â±â(Sludge)·Î Àüȯ½ÃÅ°´Â ±â¼úÀÌ Ã¤¿ëµÈ´Ù. ÀÌ·¯ÇÑ ±â¼úÀº ´ë·®ÀÇ Àü±â ¿¡³ÊÁö¸¦ ´ë°¡·Î ½ÇÇöµÇ±â ¶§¹®¿¡ °æ¿µ ºñ¿ëÀÌ ¸¹ÀÌ µé°í ÀÚ¿ø ÀçÈ°¿ëÀÌ ¾î·Á¿î ´ÜÁ¡À» ¾È°í ÀÖ´Ù.

¶ÇÇÑ Áú¼Ò¿Í ÀÎÀº ³óÀÛ¹° »ýÀå¿¡¼­ ÇʼöÀûÀÎ ¿µ¾ç¿ø¼ÒÀÌ´Ù. ±×·¯³ª Æó¼ö·®ÀÇ ¸¹°í Áú¼Ò¿Í ÀÎÀÇ ³óµµ´Â »ó´ëÀûÀ¸·Î À°»ó ½Ä¹°¿¡ ¸¹ÀÌ Àû¿ëµÇ¸ç ¶Ç Æó¼ö ÀÚ¿ø°ú ³ó¾÷ »ý»êÀÌ ½Ã°£°ú °ø°£ ºÐÆ÷¿¡¼­ Àß ¾î¿ï¸®Áö ¾Ê±â ¶§¹®¿¡ ³óÀÛ¹°À» ÅëÇÑ Áú¼Ò¿Í ÀÎÀÌ ÇÔÀ¯µÈ Æó¼öÀÇ È¿°úÀûÀÎ ÀÌ¿ëÀÌ Èûµç »óȲÀÌ´Ù.

¼ö»ý½Ä¹°ÀÌ Á»°³±¸¸®¹ä(Duckweed)Àº ¼¼°è¿¡¼­ °¡Àå ÀÛÀº ²ÉÀÌ ÇÇ´Â ½Ä¹°ÀÌ¸ç ±× »ýÀåÀÌ »¡¶ó ¿¬°£ Çퟸ£´ç 50Å澿 ÀÚ¶ö ¼ö ÀÖ´Ù. »Ó¸¸ ¾Æ´Ï¶ó ¹ÙÀÌ¿À¸Å½º Ç°Áú(¸®±×´Ñ ÇÔ·®ÀÌ ³·°í ³ì¸» ÇÔ·®ÀÌ ³ôÀ½)ÀÌ ÁÁ¾Æ ÀÌ¹Ì ¿¡³ÊÁö ½Ä¹° ¿¬±¸ÀÇ Æ÷ÀÎÆ®·Î ÁÖ¸ñÀ» ¹Þ°í ÀÖ´Ù.

Áß±¹ °úÇпø ûµÎ(à÷Ô´)¹ÙÀÌ¿À¿¬±¸¼Ò ÀÚ¿ìÇÏÀÌ(à÷Ô´) ¿¬±¸ÁøÀº ¼¼°èÀû ¹üÀ§¿¡¼­ ¼öÁýÇÑ Á»°³±¸¸®¹ä Áß¿¡¼­ È¿°ú°¡ ÁÁÀº Á»°³±¸¸®¹ä Á¾ÀÚ¸¦ ¼±ÅÃÇØ Áú¼Ò¿Í ÀÎÀÌ ÇÔÀ¯µÈ Æó¼ö Áß¿¡¼­ Àç¹èÇÏ´Â ±â¼úÀ» °³¹ßÇÏ¿´´Ù. ÀÌ ±â¼úÀº Æó¼ö ÁßÀÇ Áú¼Ò¿Í ÀÎÀ» °íÇ°ÁúÀÇ ¹ÙÀÌ¿À¸Å½º·Î ÀüȯÇÒ ¼ö ÀÖ¾î ÇâÈÄ ¹ÙÀÌ¿À ¿¡³ÊÁö »ý»ê°ú Æó¼ö󸮸¦ º´ÇàÇÒ ¼ö ÀÖ´Â »õ·Î¿î ¹æ¹ýÀÌ µÉ ¼ö ÀÖ´Ù.

¿¬±¸ÆÀÀº Áß±¹ À©³­¼º(éöÑõ) Äï¹Ö(ÍàÙ¥)½Ã¿¡ ÀÚ¸® ÀâÀº Áß°£½ÃÇèÀÌ °¡´ÉÇÑ ½ÇÇè±âÁö¿¡¼­ Á»°³±¸¸®¹ä°ú ºÎ·¹¿ÁÀá(Water hyacinth)ÀÌ Æó¼ö Áß¿¡¼­ Áú¼Ò¿Í ÀÎÀÇ Èí¼ö ´É·Â ¹× ÀÚ¿øÈ­ ÀÌ¿ë ÀáÀç·Â¿¡ °üÇÏ¿© 2³â µ¿¾È ü°èÀûÀÎ ¿¬±¸¸¦ ÃßÁøÇß´Ù. À̸¦ ÅëÇØ ¿¬±¸ÆÀÀº ÃÖÃÊ·Î Á»°³±¸¸®¹äÀº ºÎ·¹¿ÁÀá°ú °°Àº Áú¼Ò¿Í Àο¡ ´ëÇÑ Èí¼ö ´É·Â°ú ´õ ³ôÀº ÀÚ¿øÈ­ ÀÌ¿ë ¿ìÀ§°¡ ÀÖ´Ù´Â °ÍÀ» ¹ß°ßÇß´Ù.

¿¬±¸ °á°ú¿¡ µû¸£¸é, Á»°³±¸¸®¹ä°ú ºÎ·¹¿ÁÀáÀº ¿¬°£ Áú¼Ò Èí¼ö·®ÀÌ °¢°¢ 0.39 g/m2/d, 0.40 g/m2/dÀÌ°í ÀÎ Èí¼ö·®ÀÌ °¢°¢ 0.09 g/m2/d, 0.10 g/m2/d¿¡ ´ÞÇØ Áú¼Ò¿Í Àο¡ ´ëÇÑ Èí¼ö¿¡¼­ ±ÙÁ¢ÇÏ°Ô ³ªÅ¸³µÁö¸¸, Á»°³±¸¸®¹äÀÇ Á¶´Ü¹éÁú(Crude protein), ¾Æ¹Ì³ë»ê, ³ì¸», ÀÎ ÇÔ·®ÀÌ °¢°¢ 33.34%, 25.80%, 40.19%, 1.24% µîÀ¸·Î ³ªÅ¸³ª ºÎ·¹¿ÁÀẸ´Ù Ç°ÁúÀÌ ÈξÀ ÁÁ´Ù´Â °á°ú¸¦ µµÃâÇß´Ù. ÀÌ ¿¬±¸ ³í¹®Àº ¿µ±¹ »ý¹°ÀÚ¿ø°øÇÐ ºÐ¾ß ±¹Á¦ÇмúÁö `¹ÙÀÌ¿À¼Ò½º Å×Å©³î·ÎÁö(Bioresource Technology)¡¯¿¡ ¹ßÇ¥µÇ¾ú´Ù( Potential of duckweed in the conversion of wastewater nutrients to valuable biomass: A pilot-scale comparison with water hyacinth, 163. 82–91).

¶ÇÇÑ ¿¬±¸ÆÀÀº ¹ÙÀÌ¿ÀÁ¤º¸ÇÐ ±â¼úÀ» ä¿ëÇÏ¿© Á»°³±¸¸®¹ä°ú ºÎ·¹¿ÁÀá ±Ù±Ç(Rhizosphere) ¹Ì»ý¹° ±º¶ôÀ» ¿¬±¸Çß´Ù. ¿¬±¸ °á°ú¿¡ µû¸£¸é, ºÎ·¹¿ÁÀáÀÌ Áú¼Ò¸¦ Á¦°ÅÇÒ ¼ö ÀÖ´Â ´É·ÂÀº ÁÖ¿äÇÏ°Ô ±Ù°è ¹Ì»ý¹°ÀÇ ±â¿©¿¡ ºñ·ÔµÈ´Ù´Â °Í°ú Á»°³±¸¸®¹äÀ» ÀÌ¿ëÇÑ Æó¼ö¿¡ ź¼º ÷°¡Á¦¸¦ ³ÖÀ» °æ¿ì Áú¼Ò Á¦°Å ´É·Â(Áú¼Ò Á¦°Å È¿À² 19.97%, ¾Ï¸ð´Ï¾ÆÁú¼Ò Á¦°Å È¿À² 15.02% Á¦°íÇÔ)ÀÌ Å©°Ô ³ô¾ÆÁø´Ù´Â °ÍÀ» ¹ß°ßÇß´Ù. Áú¼Ò Á¦°Å È¿À²Àº 56.23%¿¡ ´ÞÇÑ´Ù.

ÀÌ¿Í ÇÔ²² ½ÉÃþÀûÀÎ ¿¬±¸¸¦ ÅëÇØ Ã·°¡Á¦ ¹ÙÀÌ¿À¸·¿¡ Àִ dzºÎÇÑ ÁúÈ­ ÀÛ¿ë ±Õ°ú Å»(÷­)Áú¼Ò ÀÛ¿ë ±ÕÀÌ Áú¼Ò¸¦ ³ôÀÌ´Â ¿äÀÎÀ̶ó´Â °Íµµ ±Ô¸íÇß´Ù. ÀÌ ¿¬±¸ ¼º°úµµ ¿µ±¹ »ý¹°ÀÚ¿ø°øÇÐ ºÐ¾ß ±¹Á¦ÇмúÁö `¹ÙÀÌ¿À¼Ò½º Å×Å©³î·ÎÁö(Bioresource Technology)¡¯¿¡ ¹ßÇ¥(Microbial community and removal of nitrogen via the addition of a carrier in a pilot-scale duckweed-based wastewater treatment system. Bioresource Technology, doi:10.1016/ j.biortech.2014.12.037)¿Í ÇÔ²² ¡®Á»°³±¸¸®¹ä Àç¹è ¹æ¹ý¡¯À̶õ ±¹°¡ ¹ß¸íƯÇãµµ Ãâ¿øÇß´Ù(201410505275.0).

»Ó¸¸ ¾Æ´Ï¶ó ¿¬±¸ÆÀÀº Æó¼ö¿¡¼­ Á»°³±¸¸®¹ä Àç¹è °úÁ¤¿¡¼­ ¹° ±íÀÌ, º¸±Þ·ü, ¼öÈ® ÁÖ±â, ¼ö·Â Á¤Âø ½Ã°£ µî¿¡ ´ëÇÑ °èÅëÀûÀÎ ¿¬±¸¸¦ ÅëÇØ Àç¹è Á¶°Ç ¹× ³ôÀº »ý»ê·®°ú ó¸® È¿°ú µîÀÌ ÁÁÀº µ¥ÀÌÅ͸¦ ȹµæÇß´Ù. Á¤Âø ½Ã°£ÀÌ 6ÀÏ °æ¿ì ÀüÇüÀûÀÎ »ýÈ° ¿À¼ö(¾Ï¸ð´Ï¾ÆÁú¼Ò ³óµµ15mg/L ¾ÈÆÆ, TN ³óµµ15-20mg/L, TP³óµµ 2-3mg/L)°¡ Á¤»óÀûÀÎ ¹èÃâ Ç¥ÁØ¿¡ µµ´ÞÇÒ ¼ö ÀÖ´Ù. ÀÌ¿Í °ü·ÃµÈ 2ÆíÀÇ ³í¹®µµ ±¹Á¦ÇмúÁö ¡®Plant Biology¡¯¿¡ °ÔÀçµÇ¾ú´Ù(Pilot-scale comparison of four duckweed strains from different genera for potential application in nutrient recovery from 9 wastewater and valuable biomass production. 2014 Jun 18. doi: 10.1111/plb.12204); Water Science and Technology£¨Effects of operation parameters on nutrient removal from wastewater and high-protein biomass production in a duckweed-based (Lemma japonica) pilot-scale system, 2014.70(7):1195-1024). ¡¡¡¡

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