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Çѱ¹Áö¹Ý°øÇÐȸ / v.26, no.10, 2010³â, pp.61-68
Fe-loaded zeolite·Î ÃæÁøµÈ Åõ¼ö¼º ¹ÝÀÀº®Ã¼¸¦ ÀÌ¿ëÇÑ Áö¹Ý ³» Cd°ú Cr(VI)ÀÇ µ¿½ÃÁ¦°Å: ¸ðÇü ÅäÁ¶ ½ÇÇè
( Simultaneous Removal of Cd and Cr(VI) in the Subsurface Using Permeable Reactive Barrier Filled with Fe-loaded Zeolite: Soil Box Experiment )
À̼º¼ö;À̽ÂÇÐ;¹ÚÁعü; ¼­¿ï´ëÇб³ °øÇבּ¸¼Ò;Çѱ¹°úÇбâ¼ú¿¬±¸¿ø ȯ°æº»ºÎ ¹°È¯°æ¿¬±¸¼¾ÅÍ;¼­¿ï´ëÇб³ °Ç¼³È¯°æ°øÇкÎ;
 
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¹ÝÀÀº®Á¦ ±â¹ýÀ» ÀÌ¿ëÇØ ÁöÇϼö³» 6°¡ Å©·Ò($CrO_4^{2-}$)°ú Ä«µå¹Å($Cd^{2+}$)À» µ¿½Ã Á¦°ÅÇÒ °æ¿ì, »õ·Î¿î ¹ÝÀÀ¹°ÁúÀÎ Fe-loaded zeoliteÀÇ Àû¿ë¼ºÀ» Æò°¡Çϱâ À§ÇØ ÆÄÀÏ·µ ±Ô¸ðÀÇ ¸ðÇü ÅäÁ¶ ½ÇÇèÀ» ¼öÇàÇÏ¿´´Ù. À̸¦ À§ÇØ, Æø 2.5m, ±æÀÌ 3m, ³ôÀÌ 1.3mÀÇ Ç¥°¡¸¦ °¡Áö´Â ÅäÁ¶¸¦ ¸ð·¡·Î ä¿ì°í, ¾ç´Ü¿¡ ¼öµÎÂ÷¸¦ ÁÖ¾î ÁöÇϼö È帧À» À¯µµÇÔÀ¸·Î½á ´ë¼öÃþÀ» ¹¦»çÇÏ¿´´Ù. ÀÌÈÄ 6°¡ Å©·Ò°ú Ä«µå¹ÅÀ» Æ÷ÇÔÇÑ ¿ë¾×À» ´ë¼öÃþ¿¡ ÁÖÀÔÇÏ¿© ¿À¿°¿îÀ» ¹ß»ý½Ã۰í, Áö¼ÓÀûÀÎ ¸ð´ÏÅ͸µÀ» ÅëÇØ Fe-loaded zeolite·Î ±¸¼ºµÈ ¸ðÇü ¹ÝÀÀº®Ã¼ÀÇ ¿À¿°¿î Á¤È­°Åµ¿À» °üÂûÇÏ¿´´Ù. ½ÇÇè°á°ú, Fe-loaded zeolite·Î ±¸¼ºµÈ ¹ÝÀÀº®Ã¼´Â 6°¡ Å©·Ò°ú Ä«µå·ý ¿À¿°¿îÀ» È¿°úÀûÀ¸·Î Á¦°ÅÇϸç, ¹ÝÀÀº®¿¡ °íÁ¤È­µÈ ¿À¿°¹°Àº ÀçÅ»Âø/À¯ÃâµÇÁö ¾ÊÀ½À» ¾Ë ¼ö ÀÖ¾ú´Ù. À̸¦ ÅëÇØ Fe-loaded zeolite´Â, Cr(VI)°ú Cd°ú °°ÀÌ ¼­·Î ´Ù¸¥ À̿ ÇüŸ¦ °¡Áø ¹«±â ¿À¿° ¹°Áú·Î µ¿½Ã¿¡ ¿À¿°µÈ ÁöÇϼö Á¤È­¿¡ ¹ÝÀÀº®Ã¼¸¦ Àû¿ëÇÔ¿¡ ÀÖ¾î È¿°úÀûÀÎ ÃæÁø¹°ÁúÀÌ µÉ ¼ö ÀÖ´Ù´Â °á·ÐÀ» µµÃâÇÏ¿´´Ù.
A pilot-scale model test was performed to estimate the availability of new material, Fe-loaded zeolite, as the filling material in permeable reactive barrier (PRB) against the contaminated groundwater with both Cd and Cr(VI). Aquifer was simulated by filling up a large scale soil tank with sands, and mobilizing the water flow by the head difference of water level in both ends of the tank. Then, the mixture of concentrated Cd and Cr(VI) solution was injected into the aquifer to form a contaminant plume, and its behavior through Fe-loaded zeolite barrier was monitored. The test results showed that Fe-loaded zeolite barrier successfully treated the contaminant plume containing both Cd and Cr(VI) and that the immobilized contaminants in the barrier were not desorbed or released. The results indicated that the Fe-loaded zeolite could be a promising material in PRBs against the multiple contaminants with different ionic forms like Cr(VI) and Cd.
 
Ű¿öµå
Fe-loaded zeolite;Heavy metal;Permeable reactive barrier;Simultaneous removal;Soil box experiment;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.26, no.10, 2010³â, pp.61-68
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO201011949347212)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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