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논문 기본 정보

자료유형
학술저널
저자정보
강병재 (한국수자원공사 감사실) 채선하 (한국수자원공사 감사실) 이경혁 (충북대학교 환경공학과) 전항배 (K-water연구원)
저널정보
대한상하수도학회 상하수도학회지 상하수도학회지 제23권 제5호
발행연도
2009.1
수록면
609 - 618 (10page)

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Repeated phenol spill in the Nakdong River has been a big issue in Korea since 1991. In this study, treatment of phenol in each water treatment process and total water treatment system is evaluated. Phenol was highly volatile, easily oxidized by ozone, and readily absorbed onto GAC. When there was phenol of 0.3mg/L in water, by ozonation of 1mg/L or by GAC adsorption with EBCT of 10minutes or longer, it could be treated to lower than 0.005mg/L, the national drinking water standard of phenol. Even when a sufficient contact time(70minutes) was allowed, only 35 to 40% of phenol could be removed by powdered activated carbon(PAC). Based on the test results, it can be concluded that 1.0mg/L or less concentration of phenol can be treated at the plants adopting the combination process of ozone and GAC down to the safe level. In this study, removal characteristics for phenol were evaluated with the existing pilot plant and demo plant in different advanced water treatment processes(AWTPs). In the future, studies on changes in oxidation and adsorption characteristics caused by competitive matters such as DOC and removal characteristics by other various AWTPs including ozone/filter adsorber need to be performed.

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