Degradation of TPHs, TCE, PCE, and BTEX Compounds for NAPLs Contaminated Marine Sediments Using In-Situ Air Sparging Combined with Vapor Extraction

증기추출법과 결합된 공기주입법을 이용한 비수용성액체 해양퇴적물의 TPHs, TCE, PCE 및 BTEX 정화

  • Lee, Jun-Ho (Department of Environmental Science and Engineering, Hankuk University of Foreign Studies) ;
  • Han, Sun-Hyang (Department of Environmental Science and Engineering, Hankuk University of Foreign Studies) ;
  • Park, Kap-Song (Department of Environmental Science and Engineering, Hankuk University of Foreign Studies)
  • 이준호 (한국외국어대학교 환경학과) ;
  • 한선향 (한국외국어대학교 환경학과) ;
  • 박갑성 (한국외국어대학교 환경학과)
  • Received : 2013.05.18
  • Accepted : 2013.10.06
  • Published : 2013.10.28


This study was carried out in order to determine the remediation of total petroleum hydrocarbons (TPHs), trichloroethylene (TCE), perchloroethylene (PCE), benzene, toluene, ethylbenzene and xylenes (BTEX) compounds for non-aqueous phase liquids (NAPLs) using in-situ air sparging (IAS) / vapor extraction (VE) with the marine sediments of Mandol, Hajeon, Sangam and Busan, South Korea. Surface sediment of Mandol area had sand characteristics (average particle size, 1.789 ${\Phi}$), and sandy silt characteristics (average particle size, 5.503 ${\Phi}$), respectively. Sangam surface sediment had silt characteristics (average particle size, 5.835 ${\Phi}$). Sediment characteristics before experiment in the Busan area showed clay characteristics (average particle size, 8.528 ${\Phi}$). TPHs level in the B1 column of Mandol, Hajeon, Sangam, and Busan sediments were 2,459, 6,712, 4,348, and 14,279 ppm. B2 (3 L/min) to B5 (5 L/min) columns reduced 99.5% to 100.0% of TCE and 93.2% to 100.0% of PCE. Removal rates of TCE, PCE, and BTEX are closely correlated (0.90-0.99) with particle sizes and organic carbon concentrations. However, TPHs (0.76) and benzene (0.71) showed the poorer but moderate correlations with the same parameters.


in-situ air sparging;non-aqueous phase liquids;remediation;particle size;vapor extraction


Supported by : 한국외국어대학교


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