Results 231 to 240 of about 120,595 (290)

The impact of biotic and abiotic interactions on Candidatus Kouleothrix bulking in a full-scale activated sludge anaerobic-anoxic-oxic plant in Japan. [PDF]

Sci Rep
Nittami T, Ishizuka N, Sakurai Y, Seviour RJ.   +3 more
europepmc   +1 more source

High-throughput single-cell sequencing of activated sludge microbiome. [PDF]

Environ Sci Ecotechnol
Zhang Y, Xue B, Mao Y, Chen X, Yan W, Wang Y, Wang Y, Liu L, Yu J, Zhang X, Chao S, Topp E, Zheng W, Zhang T.   +13 more
europepmc   +1 more source

Preserving the Biotransformation Potential of Activated Sludge in Time: Toward Reproducible Incubation Experiments for Persistence Assessment. [PDF]

Environ Sci Technol
Kalt M, Udressy CI, Yu Y, Colliquet A, Fenner K.   +4 more
europepmc   +1 more source

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Bacteriology of activated sludge

Antonie van Leeuwenhoek, 1965
The bacteriology and biochemistry of activated sludge grown in domestic waste water or fed with synthetic media were studied. The nature of the flocs was investigated by determining morphological and physiological characteristics of many strains isolated.
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Activated Sludge

1998
Contents: Process Theory Kinetics and Sludge Quality Control: Activated Sludge Process - Process Theory - Activated Sludge Separation Problems - References Activated Sludge Treatment of Municipal Wastewater U.S.A. Practice: General Approach - Clarifier Design - Aeration Tank (Reactor) Design - Appurtenance Design - Configurations ...
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Influence of metronidazole on activated sludge activity

Environmental Technology, 2020
Metronidazole is potentially carcinogenic to humans and it has been detected in wastewaters. The Wastewater Treatment Plants using biological processes have been highly impacted by the emergent compounds of recalcitrant type, and the knowledge about that issue is quite relevant.
Oscar Velasco-Garduño, Gehovana González-Blanco, María del Carmen Fajardo-Ortiz, Ricardo Beristain-Cardoso   +3 more
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Activated sludge processes

2006
This chapter focuses on the activated sludge (AS) process, which is currently the most widely used biological wastewater treatment process in the developed world. The AS process consists of two separate phases— aeration and sludge settlement. This unit is usually operated with no settlement allowed in the aeration tank, and a completely separate ...
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Bulking of Activated Sludge

1968
Publisher Summary This chapter focuses on the concept of bulking of activated sludge. Bulking sludge is a sludge, which settles slowly and compacts poorly, leaving a small amount of clear supernatant. The sludge particles of a bulking sludge appear to be similar to normal sludge except that the filaments extending from the clumps are much more ...
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Filamentous Growth in Activated Sludge

Applied Biochemistry and Biotechnology, 1996
Bulking and foaming in activated sludge have been associated with filamentous overgrowth. Filamentous Nocardia amarae and nonfilamentous Pseudomonas auruginosa were cultured using fatty acids (C2-C24) as the sole carbon. N. amarae could utilize all acids tested for growth, whereas P. auruginosa hardly grew on acids with 12 or more carbons.
H, Chua, K N, Tan, M W, Cheung
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On the controllability of activated sludge plants

2020 European Control Conference (ECC), 2020
In this work, the full-state controllability properties of a biological wastewater treatment plant are analysed. Specifically, the five biological reactors in the Benchmark Simulation Model no. 1 are studied. For the task, we represented the activated sludge plant as a dynamical system consisting of 65 states, 7 controls and 27 disturbances as a ...
Neto, Otacilio B.L., Mulas, Michela, Corona, Francesco   +3 more
openaire   +1 more source