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Çѱ¹¼öÀÚ¿øÇÐȸ / v.30, no.5, 1997³â, pp.459-465
½ºÆÀÁÖÀÔ¿¡ ÀÇÇÑ Åä¾ç³» NAPL Á¦°Å ½ÇÇè
( NAPL Removal from Contaminated Soil Using Steam Injection )
ÀÌ»óÀÏ;À忬¼ö;±è¼±±â; µ¿±¹´ëÇб³ Åä¸ñ°øÇаú;µ¿±¹´ëÇб³ Åä¸ñ°øÇаú;µ¿±¹´ëÇб³ Åä¸ñ°øÇаú;
 
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½ºÆÀÀÇ ¿Âµµ¿Í ¾Ð·ÂÀ» ÀÌ¿ëÇÏ¿© ºÒ¼ö¿ë¼º À¯±âÈ­ÇÕ¹°(NAPL)·Î ¿À¿°µÈ Åä¾çÀÇ Á¤È­°¡´É¼ºÀ» ¾Ë¾Æº¸±â À§ÇÑ ½ÇÇèÀ» ¼öÇàÇÏ¿´´Ù. Octane, Toluene, Xulene°ú °°Àº ´ÜÀÏ NAPLÀÎ GasolineÀ» ´ë»óÀ¸·Î ½ÇÇèÀ» ¼öÇàÇÏ¿´À¸¸ç, »ç¿ëµÈ Åä¾çÀº ÁÖ¹®Áø Ç¥ÁØ»ç¿Í ±¹³» Áö¹Ý¿¡ ¸¹ÀÎ »êÀçÇÏ´Â È­°­Å並 ¼±ÅÃÇÏ¿´´Ù. ½ÇÇè°á°ú 1 pore volumeÀÇ ½ºÆÀÁÖÀÔÀ¸·Î ÀÎÇÑ NAPLÁ¦°ÅÀ²Àº ¸ð·¡ÀÇ °æ¿ì 66¡­78%, È­°­ÅäÀÇ °æ¿ì´Â 45¡­73%·Î ³ªÅ¸³ª »ó´ëÀûÀ¸·Î ªÀº ½Ã°£¿¡ ºÎÀÛ¿ë ¾øÀÌ ¿À¿°¹°À» Åä¾çÀ¸·ÎºÎÅÍ Á¦°ÅÇÒ ¼ö ÀÖ´Â °¡´É¼ºÀ» º¸¿´´Ù. ¹è°æ¿Âµµ°¡ ³ôÀ»¼ö·Ï ½ºÆÀÀÇ ÀÀÃàÀÌ Áö¿¬µÇ°í NAPLÀÇ À¯µ¿¼ºÀÌ Áß°¡ÇÏ¿© Á¦°ÅÀ²ÀÌ ³ô¾ÆÁüÀ» È®ÀÎÇÏ¿´´Ù. ¶ÇÇÑ, ½ºÆÀÁÖÀÔ ÈÄ ¿Â¼ö¸¦ À¯ÀÔ½ÃÄÑ °£±Ø»çÀÌ¿¡ Áõ±â ¹× ¾×ü»óÅ·ΠÁ¸ÀçÇÏ´Â NAPLÀ» Ãß°¡·Î ÃßÃâÇÒ ¼ö ÀÖ¾úÀ¸¸ç, À¯ÀÔ¼öÀÇ ¿Âµµ¿¡ µû¶ó Á¦°ÅÀ²ÀÌ ÃÖ°í 750%±îÁö »ó½ÂÇÔÀ» ¾Ë ¼ö ÀÖ¾ú´Ù.
The possibility of NAPL removal from contaminated soil was studied using the steam injection technique. Both single (octane, toluene and xylene) and composite NAPL (gasoline) were used as contaminant. Soils used in this study were Chumunjin fine sand and weathered granitic soil, both of which are commonly found in Korea. Experimental results showed that with 1 pore volume steam injection, the NAPL removal rate was in the range of 66¡­78% for sand and 45¡­73% for weathered granitic soil. The steam injection technique seems to have high potential for soil remediation with advantages of relatively short operating time and no side-effect. Rise in the background temperature led to the delay of steam condensation and the increase of NAPL mobility, which resulted in the improvement of removal efficiency. In addition, water flooding after steam injection turned out to be a very efficient way of removing NAPL residual in the soil pores.
 
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Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.30, no.5, 1997³â, pp.459-465
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199711920100422)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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