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강릉시 식수계중 휘발성 유기화합물질 ( VOCs ) 의 분포
이주광,이승목,윤이용 ( Ju Goang Lee,Seung Mok Lee,Yi Yong Yoon ) 한국물환경학회 1996 한국물환경학회지 Vol.12 No.3
A survey of Volatile Organic Compounds(VOCs) was conducted in the Kangnung City raw water, treated water and groundwater from Mar. 1994 to Dec. 1994. Four VOCs. 1,1,1- trichloroethane, carbon tetrachloride, trichloroethylene and tetrachloroethylene, were detected below detection limit level. Among those, 1,1,1-trichloroethane, carbon tetrachloride and trichloroethylene were detected at trace and frequently. Trichloroethylene was contaminated in the highest level among detected four VOCs. The mean concentrations of trichloroethylene were 1.15㎍/ℓ of the raw water, 3.30㎍/ℓ of the treated water and 0.47㎍/ℓ of the groundwater. respectively. The concentration levels of the VOCs from the raw water and the treated water were increased from winter to summer, while this trend cannot be found in groundwater.
분자간의 상호간섭을 고려한 2성분계 흡착의 확률적 모델링
이승목,이주광 ( Seung Mok Lee,Ju Goang Lee ) 한국물환경학회 1996 한국물환경학회지 Vol.12 No.2
A Markov process coupled with interaction between molecules is developed to simulate bisolute adsorption kinetics. This model is relatively simple in that estimates of all model parameters except interaction parameters are obtained from single solute experiment. Transient behavior of molecules can be evaluated by analytically solving a system of the governing ordinary differential equations of the present stochastic model. Adsorption rate profile is not affected by interaction parameters at low concentration range.