Use of the Immediate Maximum Specific Oxygen Uptake Rate as an Activated Sludge Process Control Parameter
- 1 January 1992
- journal article
- Published by IWA Publishing in Water Science & Technology
- Vol. 25 (1) , 123-132
- https://doi.org/10.2166/wst.1992.0019
Abstract
The immediate maximum specific oxygen uptake rate (SOURim) was investigated as a potential process control parameter for the activated sludge system. Variability in effluent quality in terms of chemical oxygen demand correlated very well with the levels of SOURim at cell residence times of 3, 5, and 10 days. Transient response studied under batch growth conditions indicated a strong correlation between the SOURim, chemical oxygen demand, and the ribonucleic acid rates of change. The SOURim can therefore be used to qualitatively and quantitatively describe a given biomass thus making it a better suited parameter for use in process control strategies.Keywords
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