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http://dx.doi.org/10.5322/JES.2002.11.3.241

The Characteristics of Oxidation and Adsorption Processes for 2-Methylisoborneol(2-MIB) Removing  

최근주 (부산시 상수도 사업본부 수질연구소)
김상구 (부산시 상수도 사업본부 수질연구소)
류동춘 (부산시 상수도 사업본부 수질연구소)
신판세 (부산시 상수도 사업본부 수질연구소)
손인식 (부경대학교 토목공학과)
오광중 (부산대학교 환경공학과)
Publication Information
Journal of Environmental Science International / v.11, no.3, 2002 , pp. 241-246 More about this Journal
Abstract
One of the Musty and earthy smell compounds in raw water is generally attributed to 2-methylisoborneol (2-MIB). It is well known that activated carbon and oxidants such as $O_3$, Cl $O_2$, are effective ways to control 2-MIB. In isotherm equilibrium experiments, 2-MIB in distilled water was much more adsorbed to the activated carbon(A/C) than raw water containing dissolved organic carbon (DOC). The Freundlich constants(k) of distilled water and raw water were 3.36 and 0.049, and 1/n values were 0.80 and 0.42, respectively. The 2-MIB residual rate were Y = $e^{-0}$.55x/~ $e^{-0}$.54x/ with Ozone( $O_3$) dose by 5 minutes contact time at the 241 and 353 ng/L initial concentrations. The 2-MIB residual rate were Y = $e^{-0}$.32x/~ $e^{-0}$.35x/ with Chlorine dioxide(Cl $O_2$) dose by 15 minutes contact time at the 89 and 249 ng/L initial concentrations. 2-MIB was decreased from 1911 ng/L to 569ng/L by post-ozonation(70%removal efficiency) and removal efficiencies of 2-MIB by the following 4 kinds Granular Activated Carbon(GAC) process such as coal base, coconut base, wood base and zeolite＋carbon base were 95.8, 89.5, 88.4, and 93.7% respectively.ely.
Keywords
2-MIB; Freundlich Equation; Granular Activated Carbon; Oxidation by Ozone ($O_3$) and Chlorine Dioxide($ClO_2$);
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