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학술저널
저자정보
Joong-Hyeok Heo (서울대학교) Dal-Heui Lee (Yonsei University) 고동찬 (Korea Institute of Geoscience and Mineral Resources) Ho-Wan Chang (서울대학교)
저널정보
한국지질과학협의회 Geosciences Journal Geosciences Journal Vol.11 No.3
발행연도
2007.1
수록면
229 - 239 (11page)

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The objective of this study is to evaluate the effect ofionic strength and hardnes of trichloroethylene (TCE)-contami-nated synthetic groundwater on remediation using granular acti-vated carbon (GAC). The TCE sorption rate onto GAC in syntheticfrom 86.2% to 100%. As the ionic strength and hardness of thesynthetic groundwater increased, the TCE sorption rates decreased.The sorption kinetics of the GAC were also analyzed by kineticmodels. The Elovich model was more successfuly applicable to thesorption kinetics than the Pseudo-first-order model. During thesorption, a greater amount of cations in groundwater were adsorbedthan anions. The sorption capacity of GAC was affected by cationsin groundwater. The GAC surface area was 958.98 m2/g and the2/g, whichcomprised 33.2 % of the GAC surface area. Our experimentsshowed that TCE remediation was influenced by the ionic strengthand hardness of groundwater. The results of these experimentswere confirmed by two different models and sorption areas.Therefore, the ionic strength and hardnes of groundwater mustbe considered in the remediation of TCE-contaminated ground-water using GAC.

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