Morphological characteristics and nutrient removal efficiency of granular PAO and DPAO SBRs operating at different temperatures

Geumhee Yun , Jongbeom Kwon , Sunhwa Park , Young Kim , Kyungjin Han

Abstract

Biological nutrient removal is gaining increasing attention in wastewater treatment plants; however, it is adversely affected by low temperatures. This study examined temperature effects on nutrient removal and morphological stability of the granular and denitrifying phosphorus accumulating organisms (PAO and DPAO, respectively) using sequencing batch reactors (SBRs) at 5, 10, and 20

Key Words

biological nutrient removal; granular sludge DPAO; granular sludge PAO; morphological characteristics; temperature dependency

Address

Geumhee Yun, Young Kim — Department of Environmental Engineering, Korea University, Sejong, 30019, Republic of Korea
Jongbeom Kwon, Sunhwa Park — National Institute of Environmental Research, Incheon 22689, Republic of Korea
Kyungjin Han — Department of Environmental Engineering, Korea National University of Transportation, Chungju, 27469, Republic of Korea

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