The Effects of Solids Retention Time in Full-Scale Activated Sludge Basins on Trace Organic Contaminant Concentrations

2010 ◽  
Vol 2010 (17) ◽  
pp. 605-621
Author(s):  
Daniel Gerrity ◽  
Douglas Drury ◽  
Janie Holady ◽  
Benjamin Stanford ◽  
Shane Snyder ◽  
...  
Keyword(s):  
Activated Sludge ◽  
Retention Time ◽  
Organic Contaminant ◽  
Full Scale ◽  
Solids Retention Time ◽  
Solids Retention ◽  
Trace Organic

The Effects of Solids Retention Time in Full-Scale Activated Sludge Basins on Trace Organic Contaminant Concentrations

2013 ◽  
Vol 85 (8) ◽  
pp. 715-724 ◽  
Author(s):  
Daniel Gerrity ◽  
Janie C. Holady ◽  
Douglas B. Mawhinney ◽  
Oscar Quiñones ◽  
Rebecca A. Trenholm ◽  
...  
Keyword(s):  
Activated Sludge ◽  
Retention Time ◽  
Organic Contaminant ◽  
Full Scale ◽  
Solids Retention Time ◽  
Solids Retention ◽  
Trace Organic

Nitrogen removal in activated sludge systems including denitrification in secondary clarifiers

1994 ◽  
Vol 30 (6) ◽  
pp. 101-111 ◽  
Author(s):  
H. Siegrist ◽  
W. Gujer
Keyword(s):  
Activated Sludge ◽  
Nitrogen Removal ◽  
Retention Time ◽  
Secondary Clarifier ◽  
Solids Retention Time ◽  
Solids Retention ◽  
Activated Sludge Systems

Denitrification in the secondary clarifier can contribute substantially to the nitrogen removal of activated sludge systems. This is illustrated on two treatment plants with different secondary clarifier systems. A model to estimate denitrification capacity and to design activated sludge systems for nitrogen removal is developed and verified with data from two treatment plants. The model includes denitrification in the secondary clarifier, wastewater composition (soluble readily biodegradable COD, particulate degradable COD), oxygen input into the anoxic volume, temperature, and solids retention time (SRT). The influence of aerated grit chambers and primary sedimentation on denitrification is discussed.

scholarly journals The influence of solids retention time on activated sludge bioflocculation and membrane fouling in a membrane bioreactor (MBR)

2012 ◽  
Vol 401-402 ◽  
pp. 48-55 ◽  
Author(s):  
R. Van den Broeck ◽  
J. Van Dierdonck ◽  
P. Nijskens ◽  
C. Dotremont ◽  
P. Krzeminski ◽  
...  
Keyword(s):  
Activated Sludge ◽  
Retention Time ◽  
Membrane Fouling ◽  
Membrane Bioreactor ◽  
Solids Retention Time ◽  
Solids Retention
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