Microbial Synthesis and Characterization of Physiochemical Properties of Polyhydroxyalkanoates (PHAs) Produced by Bacteria Isolated from Activated Sludge Obtained from the Municipal Wastewater Works in Hong Kong

Author(s):  
Ma Tsz-Chun ◽  
P. L. Chan ◽  
H. Lawford ◽  
H. Chua ◽  
W. H. Lo ◽  
...  
1998 ◽  
Vol 38 (1) ◽  
pp. 303-310 ◽  
Author(s):  
V. Naidoo ◽  
V. Urbain ◽  
C. A. Buckley

Denitrification kinetics and wastewater characterization of eight different plants in Europe are discussed. Denitrification batch tests revealed three distinct rates except in the cases of Plaisir, Rostock and Orense where 4 rates were observed. The latter three plants revealed atypical rapid initial rates which were between 7 and 21 mgN/gVSS.h. All denitrification kinetics under non-limiting carbon conditions revealed fast first rates which ranged between 3.0 and 7.3 mgN/gVSS.h. Acetate was used to simulate denitrification kinetics with readily biodegradable COD present. Two subsequent rates were observed. Rates 2 and 3 ranged between 2 and 3 mgN/gVSS.h, and 1 and 2 mgN/gVSS.h, respectively. The RBCOD fraction varied between 10 and 19%, except for one of the plants where the value determined was 7%.


1994 ◽  
Vol 27 (16) ◽  
pp. 4429-4435 ◽  
Author(s):  
Eihaku Shimamura ◽  
Mariastella Scandola ◽  
Yoshiharu Doi

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