Investigation of prospective factors that control Kouleothrix (Type 1851) filamentous bacterial abundance and their correlation with sludge settleability in full-scale wastewater treatment plants

Tadashi Nittami,Tadashi Shoji,Yusuke Koshiba,Mana Noguchi,Mamoru Oshiki,Masashi Kuroda,Tomonori Kindaichi,Junji Fukuda,Futoshi Kurisu

Process Safety and Environmental Protection（2019）

引用 18|浏览22

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摘要

•Kouleothrix abundance caused low activated sludge settleability in municipal plants.•Denitrification at feeding stage is a promising selection pressure for Kouleothrix.•Dissolved oxygen control may be also a promising way to suppress Kouleothrix growth.

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关键词

Kouleothrix (Type 1851) filamentous bacteria,Real-time qPCR,Sludge volume index (SVI),Multiple regression analysis,Activated sludge bulking,Wastewater treatment plant (WWTP)

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