scholarly journals In situ excess sludge reduction in SBBR through uncoupling of metabolism induced by novel aeration modes

RSC Advances ◽  
2017 ◽  
Vol 7 (46) ◽  
pp. 29058-29064 ◽  
Author(s):  
Benzhou Gong ◽  
Yingmu Wang ◽  
Jiale Wang ◽  
Yanyan Dou ◽  
Jian Zhou

To minimize sludge yield (Yobs) in bench-scale sequencing batch biofilm reactors (SBBRs) during wastewater treatment, novel aeration modes were employed: triangular-wave aeration, square-wave aeration, sawtooth-wave aeration and continuous aeration.

2012 ◽  
Vol 446-449 ◽  
pp. 2824-2828 ◽  
Author(s):  
Li Min Zhao ◽  
Sen Wen

Disposal of sewage sludge by environmentally acceptable means is a serious problem, due to environmental, economic, social and legal factors. This paper presents an overview of the potential of the application of the microfauna, such as the aquatic worms and the earthworms in excess sludge reduction in wastewater treatment. Significant sludge reduction was achieved in the presence of the aquatic worms or the earthworms. Additionally, the effect of operating conditions on the excess sludge reduction by the aquatic worms and the earthworms are also presented.


2015 ◽  
Vol 276 ◽  
pp. 130-136 ◽  
Author(s):  
P. Divyalakshmi ◽  
D. Murugan ◽  
M. Sivarajan ◽  
A. Sivasamy ◽  
P. Saravanan ◽  
...  

2007 ◽  
Vol 43 (2) ◽  
pp. 73-82
Author(s):  
YINGJUN CHENG ◽  
DAISUKE YAZAKI ◽  
SEN QIAO ◽  
YUSUKE WATANABE ◽  
TOICHIRO KOYAMA ◽  
...  

Desalination ◽  
2011 ◽  
Vol 275 (1-3) ◽  
pp. 67-73 ◽  
Author(s):  
Ahmad Reza Mohammadi ◽  
Nasser Mehrdadi ◽  
Gholamreza Nabi Bidhendi ◽  
Ali Torabian

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