Modeling ammonia removal in aerated facultative lagoons

2005 ◽  
Vol 51 (12) ◽  
pp. 139-142 ◽  
Author(s):  
C.D. Houweling ◽  
L. Kharoune ◽  
A. Escalas ◽  
Y. Comeau
Keyword(s):  
Seasonal Variation ◽  
Activated Sludge ◽  
Water Column ◽  
Bacterial Growth ◽  
Organic Material ◽  
Mechanistic Model ◽  
Ammonia Removal ◽  
Stirred Tank ◽  
Tank Reactor ◽  
Continuously Stirred Tank Reactor

A mechanistic model has been developed to model ammonia removal in aerated facultative lagoons. Flow is modeled through the water column by a continuously stirred tank reactor and exchanges between the sludge layer and the water column are simulated by a solids separator. The biological model is based on an activated sludge model with reactions added for anaerobic bacterial growth and degradation of inert organic material. Results show that the model is able to predict seasonal variation in ammonia removal as well as sludge accumulation in the lagoons.

Numerical Bifurcation Analysis of Delayed Recycle Stream in a Continuously Stirred Tank Reactor

2010 ◽  
Author(s):  
Nalwala Rohitbabu Gangadhar ◽  
Periyasamy Balasubramanian ◽  
Swapan Paruya ◽  
Samarjit Kar ◽  
Suchismita Roy
Keyword(s):  
Bifurcation Analysis ◽  
Stirred Tank ◽  
Stirred Tank Reactor ◽  
Tank Reactor ◽  
Continuously Stirred Tank Reactor ◽  
Numerical Bifurcation ◽  
Numerical Bifurcation Analysis
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