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Çѱ¹ÇÏõȣ¼öÇÐȸ / v.35, no.4, 2002³â, pp.285-294
Àΰø½ÀÁö½Ã½ºÅÛ¿¡¼­ ¼ö¸®ÇÐÀû Á¶°Ç°ú ¼öÁúÁ¤È­Æ¯¼º
( Purification Characteristics and Hydraulic Conditions in an Artificial Wetland System )
¹Úº´Èç;±èÀç¿Á;À̱¤½Ä;ÁÖ±âÀç;ÀÌ»óÁØ;³²±Í¼÷; ȯ°æ°ü¸®°ø´Ü;³ó¾÷±â¹Ý°ø»ç ³ó¾îÃÌ¿¬±¸¿ø;³ó¾÷±â¹Ý°ø»ç ³ó¾îÃÌ¿¬±¸¿ø;ºÎ»ê´ëÇб³ »ý¹°Çаú;ºÎ»ê´ëÇб³ ¹Ì»ý¹°Çаú;³ó¾÷±â¹Ý°ø»ç ³ó¾îÃÌ¿¬±¸¿ø;
 
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º» ¿¬±¸´Â ³ó¾÷¿ëÀú¼öÁöÀÇ ¼öÁú°³¼±À» À§ÇÑ Àΰø½ÀÁö ½Ã½ºÅÛ¿¡¼­ ¼ö¸®ÇÐÀû ºÎÇÏÁ¶°Ç°ú ¼öÁúÁ¤È­ Ư¼º°£ÀÇ »ó°ü°ü°è¸¦ Æò°¡Çϰí, ½ÀÁöÀÇ Á¶¼º°ú °ü¸®¿¡ °üÇÑ ±âº»ÀûÀ̸ç ÁÖ¿ä ÀÎÀÚµéÀ» ±Ô¸íÇϰíÀÚÇÏ¿´´Ù. Àΰø½ÀÁö½Ã½ºÅÛÀº Àú¼öÁö ÁßÃþ¼ö¸¦ À¯ÀÔ½Ã۱â À§ÇÑ ¾ç¼öÀå°ú ¹Ì³ª¸®, âÆ÷, ÁÙ, ºÎµé, °¥´ëµîÀÇ Á¤¼ö½Ä¹°À» ½ÄÀçÇÑ 6°³ÀÇ °³º°½ÀÁö·Î ±¸¼ºµÇ¾î ÀÖ´Ù. ½Ã½ºÅÛÀº ÀÚÀ¯¼ö¸éÈ帧¹æ½ÄÀ¸·Î À¯ÀÔó¸®À¯·® $0.012-0.122;m^3/s$,¼ö¸®ÇÐÀû ü·ù½Ã°£ 0.5-2.0 hrÀÇ ¼ö¸®ÇÐÀû °íºÎÇÏÁ¶°ÇÀ¸·Î ¿î¿µÇÏ¿´À¸¸ç, ¼ö½ÉÀº 0.1-0.2m, À¯ÀÔ¼öÁúÀº Àú¼öÁö¸¦ ´ë»óÀ¸·Î ÇÏ¿© ºñ±³Àû ³·Àº ¿µ¾ç¿°·ù ³óµµ(TN 2.224-2.462 mg/L, TP 0.145-0.164 mg/L)¸¦ °¡Áö°í ÀÖ´Ù. º» ¿¬±¸±â°£ Áß °¢ °³º°½ÀÁöÀÇ Æò±Õ ¼öÁúÁ¤È­È¿À²Àº TN 12.1-14.3%·Î °¥´ëÁ¶¿¡¼­ ³ô°Ô ³ªÅ¸³µÀ¸¸ç, TP´Â 6.3-9.5%·Î ½Ä¹° Á¾¿¡ µû¸¥ ¸¥ Â÷À̰¡¾ø¾ú´Ù. SS´Â 17.4-38.5%, Cht-a´Â 12.6-20.2%·Î ¹Ì³ª¸®Á¶¿¡¼­ ³ô°Ô ³ªÅ¸³µ´Âµ¥, ÀÌ´Â À¯ÀÔ¼ö ³óµµ°¡ ´Ù¼Ò ³ôÀº ¶§¹®À¸·Î ÆÇ´ÜµÈ´Ù. ½Ã°£´ç Á¤È­·®Àº TN $1.299-2.343;g{cdot}m^{-2}{cdot}d^{-1}$ TP $0.85-1821;g{cdot}m^{-2}{cdot}d^{-1}$, SS´Â $17.9-111.6;g{cdot}m^{-2}{cdot}d^{-1}$. Chl-3´Â $0.011-0.094;g{cdot}m^{-2}{cdot}d^{-1}$·Î Á¤È­È¿À²¿¡¼­¿Í ´Þ¸® TNÀº ÁÙ¿¡¼­ °¡Àå ³ô¾Ò°í, TP´Â âÆ÷¿¡¼­ ³ô¾Ò´Ù. ħ°­¼º ¹°ÁúÀÎ SS¿Í Chl-a´Â ¹Ì³ª¸®¿¡¼­ ³ô°Ô ³ªÅ¸³µÀ¸¸ç, ¹Ì³ª¸®´Â BOD, COD, TN, TPµî ´Ù¸¥ ¼öÁúÇ׸ñ¿¡¼­µµ ³ôÀº °ªÀ» º¸¿©ÁÖ°í ÀÖ¾î Á¤È­È¿À²¿¡¼­¿Í °°ÀÌ À¯ÀÔ¼ö³óµµ°¡ ½ÀÁö³» ¹°ÁúÁ¦°Å¿¡ ¿µÇâÀÌ ÀÖÀ½À» º¸¿©ÁØ´Ù. Á¤È­È¿À² ¹× ½Ã°£´ç Á¤È­·®°ú ¼ö¸®ÇÐÀû Á¶°Ç°£ÀÇ »ó°ü°ü°è´Â ¼ö½É, ü·ù½Ã°£, ÀÏÀ¯ÀÔ·®, ¼ö¸®ÇÐÀû ºÎÇÏ·®, À¯ÀÔ¼ö ³óµµ, ¿Âµµ µî ´Ù¾çÇÑ º¯¼ö¿¡ ÀÇÇÑ ¿µÇâÀ¸·Î ºñ±³Àû ³·°Ô ³ªÅ¸³µ´Ù. Á¤È­È¿À²°ú ¼ö¸®ÇÐÀûÁ¶°Ç°£ÀÇ »ó°ü°è¼ö($R^2$)´Â ¼ö¸®ÇÐÀû ü·ù½Ã°£°ú 0.016-0.731,ÀÏó¸®À¯·®°ú´Â 0.015-0.868À» ³ªÅ¸³»¾úÀ¸¸ç, ½Ã°£´ç Á¤È­·®°ú ¼ö¸®ÇÐÀû Á¶°Ç°£ÀÇ »ó°ü°è¼ö($R^2$)´Â ¼ö¸®ÇÐÀû ü·ù½Ã°£°ú´Â 0.173-0.763,ÀÏó¸®À¯·®°ú´Â 0.209-0.770ÀÇ ¹üÀ§¸¦ ³ªÅ¸³»¾ú´Ù. Á¤È­È¿À²°ú ¼ö¸®ÇÐÀû ºÎÇÏÁ¶°Ç°£ÀÇ »ó°ü°è¼ö($R^2$)Tt 0.5 ÀÌ»óÀ» ³ªÅ¸³»´Â °¢ ¼ö»ý½Ä¹° ½ÀÁöº° ¼öÁúÇ׸ñÀº ü·ù½Ã°£°ú ÀÏó¸®À¯·®¿¡ ´ëÇØ°¢°¢ 20%,Á¤È­¼Óµµ¿Í ¼ö¸®ÇÐÀû Á¶°Ç°£ÀÇ »ó°ü°è¼ö´Â ü·ù½Ã°£¿¡ ´ëÇØ 53%, ÀÏó¸®À¯·®¿¡ ´ëÇØ73%°¡ 0.5ÀÌ»óÀ» º¸À̰í ÀÖ¾î ½Ã°£´ç Á¤È­·®°ú ¼ö¸®ÇÐÀû Á¶°Ç°£ÀÇ »ó°ü°ü°è°¡ Á¤È­È¿À²°úÀÇ »ó°ü°ü°èº¸´Ù Á»´õ À¯ÀǼº ÀÖ°Ô ³ªÅ¸³µ´Ù. À̰ÍÀº ³ôÀº ¼ö¸®ÇÐÀû ºÎÇÏÁ¶°ÇÀÌ ¿µ¾ç¿°·ù µîÀÇ Á¤È­È¿À²¿¡´Â Å©°Ô ¿µÇâÀ» ¹ÌÄ¡Áö ¾ÊÀ½À» º¸¿©ÁÖ°í ÀÖÀ¸¸ç, µû¶ó¼­ ºñ±³Àû ³·Àº ³óµµÀÇ ¿µ¾ç¿°·ù¸¦ °¡Áö°í ÀÖ°í, ¸¹Àº 󸮼ö·®À» ¿ä±¸ÇÏ´Â ºÎ¿µ¾çÈ­µÈ Àú¼öÁöÀÇ ¼öÁú°³¼±À» À§Çؼ­´Â ³ôÀº ¼ö¸®ÇÐÀû ºÎÇÏÁ¶°Ç¿¡¼­ ½Ã°£´ç Á¤È­·®À» ´Ã¸®´Â °ü¸®¹æ¹ýÀÌ °æÁ¦ÀûÀ̸ç, ÀÌ¿¡ ÃÊÁ¡À» ¸ÂÃß¾î ³ª°¡¾ß ÇÒ °ÍÀ¸·Î »ç·áµÈ´Ù.
The purpose of this study was to evaluate the relationships between purification characteristics and hydraulic conditions, and to clarify the basic and essential factors required to be considered in the construction and management of artificial wetland system for the improvement of reservoir water quality. The artificial wetland system was composed of a pumping station and six sequential plants beds with five species of macrophytes: Oenanthe javanica, Acorus calamus, Zizania latifolia, Typha angustifolia, and Phragmites australis. The system was operated on free surface-flow system, and operation conditions were $3,444-4,156; m^3/d$ of inflow rate, 0.5-2.0 hr of HRT, 0.1-0.2 m of water depth, 6.0-9.4 m/d of hydraulic loading, and relatively low nutrients concentration (0.224-2.462 mgN/L, 0.145-0.164 mgP/L) of inflow water. The mean purification efficiencies of TN ranged from 12.1% to 14.3% by showing the highest efficiency at the Phragmites australis bed, and these of TP were 6.3-9.5% by showing the similar ranges of efficiencies among all species. The mean purification efficiencies of SS and Chl-A ranged from 17.4% to 38.5% and from 12.0% to 20.2%, respectively, and the Oenanthe javanica bed showed the highest efficiency with higher concentration of influent than others. The mean purification amount per day of each pollutant were $9.8-4.1;g{cdot}m^{-2}{cdot}d^{-1}$ in BOD, $1.299-2.343;g{cdot}m^{-2}{cdot}d^{-1}$ in TN, $0.085-1.821;g{cdot}m^{-2}{cdot}d^{-1}$ in TP, $17.9-111.6;g{cdot}m^{-2}{cdot}d^{-1}$ in SS and $0.011-0.094;g{cdot}m^{-2}{cdot}d^{-1}$ in Chl-a. The purification amount per day of TN revealed the hi¸µhest level at the Zizania latifolia bed, and TP showed at the Acrous calamus bed. SS and Chl-a, as particulate materials, revealed the highest purification amount per day at the Oenanthe javanica bed that was high on the whole parameters. It was estimated that the purification amount per day was increased with the high concentration of influent and shoot density of macrophytes, as was shown in the purification efficiency. Correlation coefficients between purification efficiencies and hydraulic conditions (HRT and inflow rate) were 0.016-0.731 of $R^2$ in terms of HRT, and 0.015-0.868 of $R^2$ daily inflow rate. Correlation coefficients of purification amounts per day with hydraulic conditions were 0.173-0.763 of Ra in terms of HRT, and 0.209-0.770 daily inflow rate. Among the correlation coefficients between purification efficiency and hydraulic condition, the percentages of over 0.5 range of $R^2$ were 20% in HRT and in daily inflow rate. However, the percentages of over 0.5 range of correlation coefficients ($R^2$) between purification amount per day and hydraulic conditions were 53% in HRT and 73% in daily inflow rate. The relationships between purificationamount per day and hydraulic condition were more significant than those of purifi-cation efficiency. In this study, high hydraulic conditions (HRT and inflow rate) are not likely to affect significantly the purification efficiency of nutrient. Therefore, the emphasis should be on the purification amounts per day with high hydraulicloadings (HRT and inflow rate) for the improvement of eutrophic reservoir withrelatively low nutrients concentration and large quantity to be treated.
 
Ű¿öµå
reservoir;water quality;artiflcial wetland system;hydraulic loadings;macrophytes;purification;Masan Reservoir;
 
Çѱ¹ÇÏõȣ¼öÇÐȸÁö / v.35, no.4, 2002³â, pp.285-294
Çѱ¹ÇÏõȣ¼öÇÐȸ
ISSN : 1976-8087
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200218317180436)
¾ð¾î : ¿µ¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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