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Çѱ¹¼öÀÚ¿øÇÐȸ / v.44, no.10, 2011³â, pp.809-817
¼Ò±Ô¸ð ÇØ¼ö´ã¼öÈ­ ½Ã¼³ÀÇ »ý»êºñ¿ë Àý°¨ ¹æ¾È
( Cost Reduction for Small-Scale Desalination Plants )
¹Ú³²½Ä;¹ÚÁØ¿µ;¹®À¯¸®;±èÀÚ°â; µ¿¾Æ´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;µ¿¾Æ´ëÇб³ ´ëÇпø, Åä¸ñ°øÇаú;»ï¼ºSDS ȯ°æÀü·«±×·ì ¼ö¼®ÄÁ¼³ÅÏÆ®;Çѱ¹¼öÀÚ¿ø°ø»ç ¼³°è»ç¾÷ó;
 
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Çѱ¹¼öÀÚ¿ø°ø»ç¿¡¼­ À§Å¹ °ü¸®Çϰí ÀÖ´Â ¼­³²ÇØ¾È µµ¼­Áö¿ª ¿ª»ïÅõ ÇØ¼ö´ã¼öÈ­ ½Ã¼³ 40¿©°÷¿¡ ´ëÇÑ ºñ¿ë ºÐ¼®À» ÅëÇÏ¿© ºñ¿ë¿¡ Å« ¿µÇâÀ» ¹ÌÄ¡´Â ¿ä¼Ò¸¦ ã¾Æ³»°í ´ã¼öÈ­ ºñ¿ë Àý°¨¹æ¾ÈÀ» Á¦½ÃÇÏ¿´´Ù. ½Ã¼³¿¡ °ø±ÞµÇ´Â ¿ø¼öÀÇ ¿°µµ(TDS)´Â ´ã¼ö·Î Ãë±ÞµÉ ¼ö ÀÖ´Â 1,000mg/L ÀÌÇÏ¿¡¼­ºÎÅÍ ÇØ¼ö¼öÁØÀÎ 3,000mg/L ÀÌ»ó±îÁö ´Ù¾çÇÑ ¹üÀ§¸¦ º¸À̰í ÀÖ´Ù. 2005³âºÎÅÍ 5³â µ¿¾ÈÀÇ ºñ¿ëºÐ¼® °á°ú À¯Áöº¸¼öºñ°¡ 50.6%, ÀΰǺñ°¡ 36.9%, ±×¸®°í ¿¡³ÊÁöºñ°¡ 7.8%ÀÇ ¼øÀ¸·Î ³ªÅ¸³µ´Ù. º» ¿¬±¸¿¡¼­´Â ÀϹÝÀûÀ¸·Î Àß ¾Ë·ÁÁø ¿¡³ÊÁö ºñ¿ëÀº ¹°·Ð ´ã¼öÈ­ ºñ¿ëÀÇ °¡Àå Å« ºñÁßÀ» Â÷ÁöÇÏ´Â À¯Áöº¸¼ö ºñ¿ëµµ ¿ø¼öÀÇ TDS ³óµµ¿¡ Á÷Á¢ÀûÀÎ ¿µÇâÀ» ¹Þ°í ÀÖÀ½À» ¹àÇû´Ù. ÀÌ´Â ¿ø¼öÀÇ TDS ³óµµ°¡ ´ã¼öÈ­ ºñ¿ëÀÇ 60%¿¡ ´ÞÇÏ´Â ºÎºÐ¿¡ ¿µÇâÀ» ³¢Ä¡¹Ç·Î ´ã¼öÈ­ ºñ¿ë Àý°¨À» À§Çؼ­´Â Àú¿°µµ ¿ø¼ö È®º¸¿¡ ³ë·ÂÀ» ±â¿ï¿©¾ß ÇÑ´Ù´Â °ÍÀ» ÀǹÌÇÑ´Ù.
We analyzed various cost components for approximately 40 small-scale island desalination plants operated by K-water. A significant factor affecting desalination cost was found, and we proposed a way to reduce desalination costs. All plants considered were reverse osmosis (RO) facilities. TDS concentrations of feed water varied from less than 1,000 mg/L (practically considered freshwater) to over 30,000 mg/L (nearly seawater). Analysis of desalination costs from 2005 to 2009 indicated that maintenance, labor, and energy were the three biggest components that accounted for 50.6%, 36.9% and 7.8%, respectively. It was well known that TDS of feed water directly affected energy needed for RO process. In this study we found that maintenance cost was also directly related to feed water TDS. This finding indicated that lowering feed water TDS might result in significant desalination cost reduction.
 
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¿ª»ïÅõ ½Ã¼³;µµ¼­;ºñ¿ëºÐ¼®;´ã¼öÈ­ ºñ¿ëÀý°¨;RO desalination plants;islands;cost analysis;cost reduction;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.44, no.10, 2011³â, pp.809-817
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO201132833919595)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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