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토양오염물질 거동 및 이동메카니즘 연구

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자료유형 KIGAM 보고서
서명 토양오염물질 거동 및 이동메카니즘 연구
저자 박성원
언어 KOR
청구기호 KR-98-T-04-1998-R
발행사항 과학기술처, 1998
초록 The fate and transport of pollutants in subsurface systems was studied on the Bachman Road site remediation project. Bachman Road site is located in the city of Oscoda, Michigan, near the shoreline of Lake Huron. The site is contaminated with chlorinated solvents (predominantly PCE) and peroleum hydrocarbons, and consists of a 17-24 feet fine to medium grain aquifer sand layer underlain by a clay layer at 18-23 feet. There are four distinct Plumes and Plume B selected as study area, contains chlorinated solvents. The goal of the study is to establish treatment parameters for effectiveness of surfactant-enhanced remediation to remediation methods are ineffective removing residual NAPLs from the source zone regions. Surfactant enhanced aquifer remediation (SEAR) can promote organic contaminant removal by enhancing the solubility of the residual NAPL and mobilizing the entrapped organic liquid. Sorption experiments with The sample labeled Sand/Wood indicated PCE sorption was more than an order of magnitude greater than sorption to sand. Sorption of PCE to silt and clay was found to be approximately two orders of magnitude greater than sorption to sand. The waste drycleaning PCE has only traces of volatile organic impurities and nonvolatile compounds on the oreder of 0.2% by weight. The water/waste PCE interfacial tension is very low, due to the presence of surfactants in the waste PCE. It was found that the presence of small quantities of impurities was not likely to reduce the efficiency of Tween 80 for removal of PCE. The extent of sorption of Tween 80 to the Bachman clay is approximately two orders of magnitute greater than sorption to the sands. These results are useful for modeling the movement of surfactant during SEAR trial
페이지 71 p.
키워드 바크만프로젝트, 오염, 토양오염, 물질이동, 물질거동, 물질, 오염물질, PCE
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한국지질자원연구원
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2099-01-21
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박성원. (1998). 토양오염물질 거동 및 이동메카니즘 연구. 과학기술처.