Enhanced Biological Phosphorus Removal Driven by Short-Chain Fatty Acids Produced from Waste Activated Sludge Alkaline Fermentation

2007 ◽  
Vol 41 (20) ◽  
pp. 7126-7130 ◽  
Author(s):  
Juan Tong ◽  
Yinguang Chen
Keyword(s):  
Fatty Acids ◽  
Activated Sludge ◽  
Phosphorus Removal ◽  
Short Chain Fatty Acids ◽  
Short Chain ◽  
Waste Activated Sludge ◽  
Enhanced Biological Phosphorus Removal ◽  
Biological Phosphorus Removal ◽  
Biological Phosphorus ◽  
Chain Fatty Acids

Enhancing biological phosphorus removal with glycerol

2010 ◽  
Vol 61 (7) ◽  
pp. 1837-1843 ◽  
Author(s):  
Q. Yuan ◽  
R. Sparling ◽  
P. Lagasse ◽  
Y. M. Lee ◽  
D. Taniguchi ◽  
...  
Keyword(s):  
Fatty Acids ◽  
Carbon Source ◽  
Activated Sludge ◽  
Phosphorus Removal ◽  
Volatile Fatty Acids ◽  
Waste Activated Sludge ◽  
Enhanced Biological Phosphorus Removal ◽  
Biological Phosphorus Removal ◽  
External Carbon Source ◽  
Biological Phosphorus

An enhanced biological phosphorus removal process (EBPR) was successfully operated in presence of acetate. When glycerol was substituted for acetate in the feed the EBPR process failed. Subsequently waste activated sludge (WAS) from the reactor was removed to an off-line fermenter. The same amount of glycerol was added to the WAS fermenter which led to significant volatile fatty acids (VFA) production. By supplying the system with the VFA-enriched supernatant of the fermentate, biological phosphorus removal was enhanced. It was concluded that, if glycerol was to be used as an external carbon source in EBPR, the effective approach was to ferment glycerol with waste activated sludge.

Alkaline fermentation and elutriation of waste activated sludge for short chain fatty acids abstraction

2017 ◽  
Vol 93 (1) ◽  
pp. 138-145
Author(s):  
Xiao-Ling Li ◽  
Liang Zhang ◽  
Bai-Kun Li ◽  
Chang-Yong Wu ◽  
Yong-Zhen Peng
Keyword(s):  
Fatty Acids ◽  
Activated Sludge ◽  
Short Chain Fatty Acids ◽  
Short Chain ◽  
Waste Activated Sludge ◽  
Chain Fatty Acids

scholarly journals Applying rhamnolipid to enhance hydrolysis and acidogenesis of waste activated sludge: retarded methanogenic community evolution and methane production

RSC Advances ◽  
2019 ◽  
Vol 9 (4) ◽  
pp. 2034-2041 ◽  
Author(s):  
Jiaqi Li ◽  
Wenzong Liu ◽  
Weiwei Cai ◽  
Bo Wang ◽  
Fidelis Odedishemi Ajibade ◽  
...  
Keyword(s):  
Fatty Acids ◽  
Activated Sludge ◽  
Methane Production ◽  
Short Chain Fatty Acids ◽  
Short Chain ◽  
Waste Activated Sludge ◽  
Methanogenic Community ◽  
Community Evolution ◽  
Chain Fatty Acids

Recently, bio-surfactants, like rhamnolipid (RL), have been used as efficient pre-treatments to enhance the accumulation of short-chain fatty acids (SCFAs) from waste activated sludge (WAS).

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