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Çѱ¹Áö¹Ý°øÇÐȸ / v.18, no.5, 2002³â, pp.143-157
ÁÖ¹°»çÀÇ TCE Á¦°Å ¸ÞÄ¿´ÏÁò°ú ¹ÝÀÀº®Ã¼¿¡ÀÇ Àû¿ë°¡´É¼º
( Mechanism of TCE Removal with Foundry Sands and Design of Permeable ]Reactive Barriers )
ÀÌÅÂÀ±;;¹ÚÀç¿ì; Æ÷Ç×»ê¾÷°úÇбâ¼ú¿¬±¸¼Ò;University of Wisconsin-Madison Åä¸ñȯ°æ°øÇаú;ÇѾç´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;
 
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ÁÖ¹°»çÀÇ ÀϹÝÀûÀÎ ÁöÇϼö ¿À¿°¹°ÁúÀÎ TCE¿¡ ´ëÇÑ ¹ÝÀÀ¼ºÀ» Á¶»çÇϱâ À§ÇØ batch¿Í column½ÇÇèÀ» ÇÏ¿´´Ù. º» ½ÇÇè¿¡¼­ ¾ò¾îÁø ÁÖ¹°»çÀÇ ¹ÝÀÀ¼ºÀº ½ÇÁ¦ ¹ÝÀÀº®Ã¼¿¡ ¾²¿©Áö´Â ö¿¡ ºñÇØ ³ô°Å³ª ºñ½ÁÇÑ °á°ú¸¦ ³ªÅ¸³»¾ú´Ù. ¶ÇÇÑ, ÁÖ¹°»ç¿¡ Æ÷ÇÔµÈ Å¬·¹ÀÌ¿Í TOC¿¡ ÀÇÇØ TCEÀÇ À̵¿ÀÌ ±Þ°ÝÈ÷ °¨¼ÒÇÏ´Â °ÍÀ» °üÂûÇÏ¿´´Ù. µû¶ó¼­, ½ÇÁ¦ ÇöÀå »óȲ¿¡¼­´Â Åä¾ç¹Ì»ý¹°¿¡ ÀÇÇÑ ºÐÇØ¿¡ ÀÇÇØ °è»êµÈ °ªº¸´Ù ÈξÀ ³·Àº ³óµµÀÇ TCE°¡ °ËÃâµÇ¸®¶ó ¿¹»óµÈ´Ù. ½ÇÁ¦ ÇöÀå ¹ÝÀÀº®Ã¼ ¼³°è¿¡ À־ 1 mµÎ²²ÀÇ º®Ã¼°¡ ¼³Ä¡µÇ±â À§Çؼ­´Â ÁÖ¹°»ç¿¡ Æ÷ÇÔµÈ Ã¶ÀÇ ÇÔ·®ÀÌ 1%ÀÌ»óÀÌ¸é ¾ÈÀüÃøÀ¸·Î º®Ã¼¼³°è°¡ °¡´ÉÇÏ´Ù°í º¼ ¼ö ÀÖ´Ù.
Batch and column tests were conducted with common groundwater contaminants (i.e., trichloroethylene) to determine transport parameters and reactivity of the foundry sands. The reactivities of foundry sands for common groundwater contaminants are comparable to or slightly higher than those for Peerless iron a common medium used in permeable reactive barriers. In addition, the TOC and clay in foundry sands can significantly retard the movement of target contaminants, which may result in lower effluent concentrations of contaminants due to biodegradation. In general, permeable reactive barriers with the thickness of 1m can be constructed with many foundry sands to treat typical groundwater comtaminants provided the zero-valent iron content in the foundry sand is higher than 1%.
 
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Foundry sands;Permeable reactive barrier;TCE;Transport parameters;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.18, no.5, 2002³â, pp.143-157
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200211921407830)
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