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¹ßÇàÇÐȸ : Çѱ¹»êÇбâ¼úÇÐȸ [The Korea Academia-industrial cooperation Society]
¹ßÇàÁ¤º¸ : Çѱ¹»êÇбâ¼úÇÐȸ³í¹®Áö Á¦ 8±Ç 4È£ pp.861-866(6 pages)
¹ßÇà³âµµ : 2007
ÀúÀ۽ñâ : 2007³â
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Abstract
1. ¼·Ð
2. ½ÇÇèÀåÄ¡ ¹× ¹æ¹ý
3. ½ÇÇè°á°ú
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ÀÎÀ» »ý¹°ÇÐÀûÀ¸·Î Á¦°ÅÇϱâ À§ÇÏ¿© Bacillus sp ¹Ì»ý¹°À» »ç¿ëÇÏ¿´´Ù. Bacillus sp. ¹Ì»ý¹°ÀÌ »ýÁ¸Çϱ⿡ ¾Ë¸ÂÁö ¾ÊÀº »óȲ¿¡¼´Â Æ÷ÀÚ¸¦ Çü¼ºÇÏ°í£¬ Áõ½Ä°ú Æ÷ÀÚȸ¦ ¹Ýº¹ÇÏ¸é¼ ¿ìÁ¡ÈµÇ´Â Ư¼ºÀ» ¹ßÇö½ÃÅ°±â À§ÇØ Á¡°¨Æ÷±â¸¦ ½Ç½ÃÇÏ¿´´Ù. ¹ÝÀÀ±â ¿ëÁ¸»ê¼Ò ³óµµ´Â Æ÷±âÁ¶ 1´Ü; 1.2~1.5 §·/L, Æ÷±âÁ¶ 2´Ü; 0.3~0.5§·/L£¬ Æ÷±âÁ¶ 3´Ü ; 0.2§·/LÀÌÇÏ·Î À¯ÁöÇÏ¿´´Ù. ¶ÇÇÑ °øÁ¤³» ¹Ì»ý¹°ÀÇ À¯½ÇÀ» ¹æÁöÇÏ°í ¹Ì»ý¹°ÀÌ °í³óµµ »óÅ·ΠÀ¯Áö °¡´ÉÇÑ ºÎÂø¼ºÀåÀÇ ÇÑ °ø¹ýÀÎ RBC¿¡ ²ö»ó ³ª¼±Çü ¹Ì»ý¹° Á¢ÃËÀ縦 ¼³Ä¡ÇÑ ¹ÝÀÀ±â¸¦ ÀÌ¿ëÇÏ¿´´Ù. ½ÄÁ¾ÇÑ Bacillus sp.°¡ ÀûÀÀÇÏ´Â ±â°£¿¡¼ÀÇ À¯ÀÔÀ¯·®Àº 173 L/d£¬ ³»ºÎ¹Ý¼ÛÀ² 200%£¬ ½½·¯Áö¹Ý¼ÛÀ² 100%·Î ¿îÀüÀ» ÇÏ¿´À¸¸ç£¬ ¹æ·ù¼öÁúÀ» ±âÁØÀ¸·Î ´Ü°èÀûÀ¸·Î À¯ÀÔÀ¯·®À» Áõ°¡½ÃÄ×´Ù. Á¤»ó»óÅ¿¡¼ À¯ÀÔÀ¯·®Àº 346 L/dÀÌ°í£¬ ³»ºÎ¹Ý¼ÛÀ²°ú ½½·¯Áö ¹Ý¼ÛÀ²Àº °¢°¢ 50%·Î °áÁ¤ÇÏ¿© ½ÇÇèÀ» ¼öÇàÇÏ¿´°í£¬ ¿ø¼ö´Â Glucose 1,800 §·/L£¬ NH©þCl 500 §·/L£¬ KH©üPO©þ 5§·/L¸¦ È¥ÇÕÇÑ ÀΰøÆó¼ö¸¦ Á¦Á¶ÇÏ¿© °øÁ¤¿¡ ÁÖÀÔÇÏ¿´°í£¬ ±× °á°ú °¢°¢ ¹Ì»ý¹°ÀÌ Æó¼ö¿¡ ÀûÀÀÇÏ´Â ´Ü°èÀÎ Period 1¿¡¼´Â °¢ ¼öÁú ºÐ¼® Ç׸ñÀÇ ³óµµ°¡ Á¡Â÷ÀûÀ¸·Î °¨¼ÒÇÏ´Â °æÇâÀ» º¸¿´À¸¸ç£¬ Á¤»ó»óŶó°í ÆÇ´ÜÇÑ Period 2¿¡¼´Â ÃÖÁ¾ÀûÀ¸·Î À¯ÀÔ¼ö¿¡ ´ëÇÑ À¯Ãâ¼öÀÇ Á¦°ÅÀ²Àº °¢°¢ TCODCr 94%£¬ BOD 87%£¬ T-N 85%£¬ T-P 89%ÀÇ °á°ú¸¦ ³ªÅ¸³»¾ú´Ù.
This study was conducted to i
nvestigate an aeration tank with RBC process attached Bacillus sp. known as a suitable microorganism for the removing of organic carbon, nitrogen and phosphorus. An aeration tank was based on tapered aeration because Bacillus sp. was well grown in this like environment conditions. The biofilm process with Bacillus sp. as an advanced treatment process could be a best technology for the prominent removal of organic carbon, nitrogen and phosphorus if the mechanism in the process is verified. The operation conditions of DO in the tapered aeration tank were maintained as 1.2~1.5 §·/L in aeration tank1, as 0.3~0.5 §·/L in aeration tank 2 and less than 0.2 §·/L in aeration tank 3, respectively. Lab-scale experiments were conducted, at room temperature, internal recycle rate was from 200% to 50% and returned sludge rate was from 100% to 50%. As a result, concentration of organic carbons, nitrogen and phosphorus in Period 1 (the time of Bacillus sp. adapted to environment) were decreased gradually. Ultimately, each removal rate in this biological experiment were TCODCr 94%, BOD 87%, T-N 85%, T-P 89% in Period 2. Hence, this process showed an excellent performance of the removal of organic carbon, nitrogen and phosphorus and this is an effective system for treating of wastewater. (ÀÌÇÏ »ý·«)
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