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Degradation and Removal of Nonylphenol Ethoxylates in Wastewater by a Sequencing Batch Reactor Process  

Lee, Seock-Heon (한국과학기술연구원 수질환경 및 복원연구센터)
Bum, Jin-Young (한국과학기술연구원 수질환경 및 복원연구센터)
Park, Ki Young (건국대학교 사회환경시스템공학전공)
Kim, Jong-Guk (정북대학교 환경화학공학부 환경공학과)
Seo, Yong-Chan (상지대학교 이공과대학 환경공학과)
Publication Information
Journal of Korean Society of Water and Wastewater / v.18, no.5, 2004 , pp. 680-688 More about this Journal
Abstract
A sequencing batch reactor (SBR) was operated to investigate the degradation and removal of non-ionic surfactant, nonylphenol ethoxylates (NPEOs) in wastewater using lab scale experimental apparatus. About 5mg/L of NPEO was introduced and only < 0.1mg/L of NPEOs and nonylphenol(NP) in total was detected in treated effluent. In the effluent, long chain ethoxylates (NPEO12-15) were not detected, but short chain ethoxylates (NPEO1,2) were in relatively high concentration. NPEOs in the mixed liquor disappeared more rapidly in anaerobic condition than in aerobic condition.
Keywords
anaerobic-aerobic; non-ionic surfactant; NPEO; NP; SBR;
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