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Çѱ¹ÇÏõȣ¼öÇÐȸ / v.39, no.4, 2006³â, pp.489-497
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( Development of Natural and Ecological Wastewater Treatment System for Decentralized Regions and Rural Communities )
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º» ¿¬±¸¿¡¼­´Â ¿ì¸®³ª¶óÀÇ ºÐ»êÁö¿ª ¹× ³óÃ̸¶À»ÀÇ Çϼö󸮸¦ À§ÇØ ÀÚ¿¬Á¤È­ °íµµÃ³¸® °ø¹ýÀÎ NEWS (Natural and Ecological Wastewater treatment System)¸¦ Àû¿ëÇÏ¿´´Ù. °íÄ£¼ö¼º biofilter¸¦ »ç¿ëÇÏ¿© °íÇü¹°Áú°ú À¯±â¹°ÁúÀ» Á¦°ÅÇÏ¿´À¸¸ç, Àΰø½ÀÁö¸¦ ÀÌ¿ëÇÏ¿© ¿µ¾ç¹°ÁúÀ» Á¦°ÅÇÏ¿´´Ù. ÀåÁöÀûÀ¸·Î ¾ÈÁ¤¼ºÀ» °®À¸¸ç, ºÎÁö¸éÀû°ú È¿À² ¸é¿¡¼­ ±â°èÀûÀÎ °ø¹ý°ú °æÀïÇÒ ¼ö ÀÖ´Â ÀÚ¿¬Á¤È­ °íµµÃ³¸®°ø¹ýÀ» °³¹ßÇϰíÀÚ °íÄ£¼ö¼º biofilter¿Í »óÇÏÈ帧Çü Àΰø½ÀÁö¸¦ Á¶ÇÕÇÏ¿© (NEWS)ó¸®È¿°ú¸¦ °ËÅäÇÏ¿´´Ù. º» 󸮽ü³À» Àû¿ëÇÑ °á°ú COD¸¦ Á¦¿ÜÇÑ ¼öÁúÇ׸ñ¿¡¼­ ³ôÀº Á¦°ÅÀ²À» ³ªÅ¸³»¾ú´Ù. Biofilter À¯Ãâ¼ö´Â ±¹³» ¼öÁú±âÁØÀ» ¸¸Á·½ÃŰÁö ¸øÇÏ¿´À¸³ª, Àΰø½ÀÁö¸¦ °ÅÃÄ Ã³¸®µÈ ÃÖÁ¾ À¯Ãâ¼ö´Â ¼öÁú±âÁØÀ» ¸¸Á·½ÃÄ×´Ù. BOD, SS, TN, TPÀÇ À¯ÀÔºÎÇÏ·®°ú Á¦°Å·®°úÀÇ °ü°è¸¦ ȸ±ÍºÐ¼® ÇÑ °á°ú °áÁ¤°è¼ö´Â °¢°¢ 0.998, 0.999, 0.919, 0.919·Î ¸Å¿ì ³ôÀº »ó°ü¼ºÀ» ³ªÅ¸³Â´Ù. µ¿Àý±â È¿À²ÀúÇÏÀÇ ¹®Á¦Á¡À» ÇØ°áÇϱâ À§ÇØ ¿¬±¸½Ã¼³ÀÇ ÁöºØÀ» Åõ¸í Æú¸®Ä«º¸³×ÀÌÆ® ±Û¶ó½º·Î ¼³Ä¡ÇÏ¿© ³­¹æÀ» ÇÏÁö ¾Ê´Â ¿Â½ÇÀ» µµÀÔÇϰí, 12-2¿ù µ¿¾È °Ü¿ïö ó¸®Àå ½Ç³» ${cdot}$ ¿Ü ¿ÂµµÂ÷À̸¦ ÃøÁ¤ÇÑ °á°ú ó¸®Àå½Ç³»¿Âµµ°¡ ½Ç¿Ü ¿Âµµº¸´Ù ÃÖ°í $20^{circ}C$±îÁö ³ô°Ô ³ªÅ¸³µ´Ù. µû¶ó¼­ º» ¿¬±¸¿¡¼­ °³¹ßÇÑ ÀÚ¿¬»ýÅÂÇÐÀû Çϼö°íµµÃ³¸®°ø¹ýÀÎ NEWS´Â À¯±â¹°Áú°ú ¿µ¾ç¹°Áú 󸮰øÁ¤À» ºÐ¸®ÇÏ¿© ó¸®È¿À²À» ³ôÀÏ ¼öÀÖÀ¸¸ç, ±¹³»ÀÇ ºÐ»êÁö¿ª ¹× ³óÃ̸¶À»ÀÇ Çϼö󸮿¡ Àû¿ë°¡´É¼ºÀÌ ³ôÀ» °ÍÀ¸·Î ÆÇ´ÜµÈ´Ù.
The feasibility of the Natural and Ecological Wastewater treatment System (NEWS) was examined for rural wastewater treatment in Korea. The intermittent trickling biofilter with high hydrophilic filter media was used for pretreatment for suspended solids and organic pollutants. The subsequent constructed wetland with porous granule materials was used for promoting nutrient removal. The results show that the removal efficiencies of the system were high with respect to the water quality parameters except COD. Even if the effluent from the biofilter did not meet the guidelines for wastewater treatment plant effluent in Korea in terms of $BOD_5$ and TN, the final effluent of the system meets the guidelines us to good performance of the constructed wetland. The regression analysis between pollutant loading rate and removal rate indicated that the system could have stable removal for SS, $BOD_5$, TN, and TP in the given influent ranges. The analysis in the winter period indicated that the wetland covered with transparent polycarbonate glass had the statble performance during the winter period dus to increase of temperature inside the wetland without any heating system. With the stable performance, effective poilutant removal, low maintenance, and cost-effectiveness, the NEWS could be considered as an alternative treatment system for decentralized regions and rural communities in Korea.
 
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wastewater treatment;trickling biofilter;constructed wetland;decentralized wastewater treatment system;
 
Çѱ¹ÇÏõȣ¼öÇÐȸÁö / v.39, no.4, 2006³â, pp.489-497
Çѱ¹ÇÏõȣ¼öÇÐȸ
ISSN : 1976-8087
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200618317187797)
¾ð¾î : ¿µ¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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