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Çѱ¹¼öÀÚ¿øÇÐȸ / v.31, no.6, 1998³â, pp.667-674
Åä¾ç ¹× ÁöÇϼö¿¡¼­ÀÇ NAPL Á¦°Å¸¦ À§ÇÑ ½ºÆÀÁÖÀÔ ¼öÄ¡ÇØ¼®
( Numerical Analysis of NAPL Removal from Soil and Groundwater Using Steam Injection )
ÀÌ»óÀÏ; µ¿±¹´ëÇб³ Åä¸ñȯ°æ°øÇаú;
 
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NAPL·Î ¿À¿°µÈ Åä¾çÀ̳ª ÁöÇϼö¿¡ ½ºÆÀÀ» ÁÖÀÔÇÏ¿© Á¦°ÅÇÏ´Â °úÁ¤À» ¸ðÀÇÇÏ´Â ¼öÄ¡¸ðÇüÀº ´Ù¾çÇÑ ÇöÀå»óȲ¿¡¼­ÀÇ ÀûÀýÇÑ ÀÛ¾÷Á¶°ÇÀ» ¼³°è¡¤Æò°¡Çϴµ¥ ¸Å¿ì À¯¿ëÇÑ µµ±¸°¡ µÉ ¼ö ÀÖ´Ù. ½ºÆÀÁÖÀÔ¿¡ ÀÇÇÑ NAPL Á¦°Å°úÁ¤À» ´Ù»ó, ´Ù¿ä¼Ò ½Ã½ºÅÛÀÇ ºñµî¿Â °úÁ¤À¸·Î ±â¼úÇÏ´Â Áö¹è¹æÁ¤½Ä¿¡ ±âÃÊÇÑ T2VOC¸¦ ÀÌ¿ëÇÏ¿© 1 ¹×2Â÷¿ø»óȲ¿¡ ´ëÇÏ¿© ¼öÄ¡ÇØ¼®À» ¼öÇàÇÏ¿´´Ù. 1Â÷¿øÀÇ °æ¿ì ¼öÄ¡ÇØ´Â ½ÇÇè»ó ¾î·Á¿òÀ¸·Î ÀÎÇÑ ÆíÂ÷¸¦ Á¦¿ÜÇϰí´Â ½ÇÇè¿¡¼­ ¾òÀº Ä÷³³» ¿ÂµµºÐÆ÷¿Í ºñ±³Àû ÁÁÀº ÀÏÄ¡¸¦ º¸¿´´Ù. LNAPLÀÎ xylene°ú DNAPL ÀÎ TCE¿¡ ´ëÇÑ 2Â÷¿ø ÇØ¼®µµ »óÀÌÇÑ ¹°¼º¿¡ »óÀÀÇÏ´Â ºÐÆ÷¿Í Á¦°Å°úÁ¤À» ÇÕ¸®ÀûÀ¸·Î ¿¹ÃøÇÏ´Â °ÍÀÌ °¡´ÉÇÔÀ» º¸¿©ÁÖ¾ú´Ù. ¼öÄ¡¸ðÇüÀÇ È°¿ë¹üÀ§´Â ½ÇÇèÀûÀ¸·Î È®ÀÎÇϱ⠿©·Á¿î ±âÈ­¿¡ ÀÇÇÑ °¡½ºÀÇ »ý¼º°ú °°Àº º¹ÀâÇÑ °úÁ¤ÀÇ ±¸¸íÀ» ºñ·ÔÇÏ¿© ½ºÆÀÁÖÀÔ±â¼úÀÇ ÇöÀåÀû¿ë½Ã ¸Å¿ì ³ÐÀ» °ÍÀ¸·Î ÆÇ´ÜµÈ´Ù.
Numerical models simulating the process of NAPL from contaminated soil or groundwater through steam injection can be a useful tool for designing and evaluating the cleanup strategy under various field conditions. One and two dimensional numerical analyses were conducted based on the governing equations describing the NAPL removal as a non-isothermal, multi-phase and multi component process. Relatively good agreements were obtained between the numerical results and the observations from one-dimensional laboratory experiment, except some discrepancy due to experimental difficulties. Simulation effectively identified the steam displacement process of xylene floating on the water table and TCE sinking on the aquifer bottom in a two-dimensional analysis. Overall, simulation models have a high potential in the design/appraisal of a system for field application of the technique as well as in the examination of complex processes such as vaporization which is hard to identify experimentally.
 
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Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.31, no.6, 1998³â, pp.667-674
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199811920062771)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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