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Çѱ¹Áö¹Ý°øÇÐȸ / v.15, no.5, 1999³â, pp.241-257
°è¸éȰ¼ºÁ¦ Å»ÂøÃËÁø¹ýÀ» ÀÌ¿ëÇÑ Æú¸®Å¬·Î³×ÀÌÆ¼µå ¹ÙÀÌÆä´Ò(PCBs)°ú Æä³î·ù(Phenols)¿¡ ÀÇÇÏ¿© ¿À¿°µÈ Áö¹ÝÀÇ Á¤È­¹æ¾È
( Remediation Technique for PCBs-and Phenols-Contaminated Soils by Surfactant-Enhanced Desorption )
¹ÚÁعü;À±Çö¼®;±èÁؼ·; ¼­¿ï´ëÇб³ °ø°ú´ëÇÐ Áö±¸È¯°æ½Ã½ºÅÛ°øÇкÎ;¼­¿ï´ëÇб³ °ø°ú´ëÇÐ Áö±¸È¯°æ½Ã½ºÅÛ°øÇкÎ;µ¿ºÎ¿£Áö´Ï¾î¸µ Áö¹Ý°øÇкÎ;
 
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À¯ÇØ À¯±â ¿À¿°¹°¿¡ ÀÇÇÑ Áö¹Ý ¿À¿°ÀÌ ½É°¢ÇÑ »çȸ¹®Á¦·Î ºÎ°¢µÇ°í ÀÖ´Ù. Áö¹Ý ³»·Î À¯ÀÔµÈ ¼Ò¼ö¼º À¯±â È­ÇÕ¹°Àº ´ëºÎºÐ ³­ºÐÇØ¼ºÀ̸ç, ÀÏ´Ü Èë¿¡ ÈíÂøµÇ¸é Á¦°ÅÇϱ⠾î·Á¿ö ¿À·£ ±â°£¿¡ °ÉÃÄ ÁöÇϼö ¿À¿°¿øÀ¸·Î ÀÛ¿ëÇÏ°Ô µÈ´Ù. ÀÌ·¯ÇÑ Áö¹Ý ¿À¿°ÀÇ ½É°¢¼ºÀº ÀÌ¹Ì ÀÎ½ÄµÇ¾î ¿ÔÁö¸¸ À̸¦ À§ÇÑ ÀûÀýÇÑ Á¤È­ ¹æ¹ýÀº ¾ÆÁ÷ Á¦½ÃµÇ°í ÀÖÁö ¾Ê´Ù. º» ³í¹®¿¡¼­´Â À¯ÇØ À¯±â¹° Áß p-Cresol°ú 3,5-Dichlorobiphenyl¿¡ ´ëÇÏ¿© °è¸éȰ¼ºÁ¦ ¿ë¾×À» ÀÌ¿ëÇÑ Á¤È­ ¹æ¹ýÀÇ Àû¿ë¼ºÀ» ½ÇÇèÀ» ÅëÇØ ¿¬±¸ÇÏ¿´´Ù. Áß¼º °è¸éȰ¼ºÁ¦, Triton X-100°ú À½À̿¼º °è¸éȰ¼ºÁ¦, SDS°¡ Å»Âø¿ë¾×À¸·Î »ç¿ëµÇ¾ú´Ù. ¸ÕÀú Èë°ú À¯±âÈ­ÇÕ¹°°úÀÇ ÈíÂø Ư¼ºÀ» ÆÄ¾ÇÇϰí, °è¸éȰ¼ºÁ¦ ¿ë¾×À» ÀÌ¿ëÇÑ È¸ºÐ½Ä Å»Âø ½ÇÇè°ú ¿¬¼ºº®Ã¼ Åõ¼ö±â¸¦ ÀÌ¿ëÇÑ ÁÖ»ó ½ÇÇèÀ» ½Ç½ÃÇÏ¿´´Ù. µî¿ÂÈíÂø½ÇÇè¿¡¼­ °¢ ¹°ÁúÀÇ ¼±ÇüºÐ¹è°è¼ö, $K_p¿Í; ¿Áź¿Ã-¹°; ºÐ¹è°è¼ö,; K_{ow}$´Â ´ë¼ö ¼±Çü °ü°è½ÄÀ¸·Î ³ªÅ¸³µ´Ù. 3,5-DichlorobiphenylÀÇ °æ¿ì ȸºÐ½Ä ½ÇÇè¿¡¼­ 0.5 % ³óµµÀÇ Triton X-100¿ë¾×À¸·ÎÀÇ Å»Âø·®ÀÌ ¹°¿¡ ÀÇÇÑ Å»Âø·®¿¡ ºñÇÏ¿© 28¹èÀÇ Çâ»óÀ» ³ªÅ¸³»¾ú´Ù. Áö¹Ý ¿À¿°¹°ÁúÀÌ ¼Ò¼ö¼ºÀ̸ç, ³­ºÐÇØ¼ºÀÌ Å¬¼ö·Ï °è¸éȰ¼ºÁ¦ ¿ë¾×À» ÀÌ¿ëÇÑ Áö¹ÝÁ¤È­ È¿À²ÀÌ ³ôÀº °ÍÀ¸·Î ³ªÅ¸³µ´Ù.
Subsurface contamination of industrial hazardous organic substances is a serious social issue. Decomposing the hydrophobic organic compounds in the subsurface is technically difficult and the compounds can last as long-term contaminant sources of groundwater once they are sorbed on the soil. Although the danger of contaminated subsurface has long been recognized little was known about the effective remediation technique. Focusing on the remediation of the p-Cresol and 3, 5-Dichlorobiphenyl among subsurface contaminants, this paper studies the surfactant-enhanced desorption technique. Nonionic surfactant(Triton X-100) and anionic surfactant(SDS ) were used as desorbing solvents for extracting organic compound sorbed on soil particles. Sorption characteristics of soils and organic compounds were analyzed and the applications of surfactant solution were studied through batch tests and the flexible-wall permeameter tests. As a result of the sorption isotherm tests, a log-log linear relation was obtained between the linear-partition coefficient, $K_p$ and the octanol-water partition coefficient, $K_{ow}$ of each organic compound. The result of the batch test also showed that Triton X-100 at 0.5% of solution desorbs the 3, 5-Dichlorobiphenyl 28 times more than the water in the batch tests. The surfactant-enhanced subsurface remediation technique becomes more effective when the contaminants are hydrophobic and hard to be decomposed,
 
Ű¿öµå
PCBs;p-Cresol;Surfactant;Soil-washing;Sorption;Desorption;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.15, no.5, 1999³â, pp.241-257
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199911921749666)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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