ORIGINAL RESEARCH
Assessment of the Effect of Wastewater Quantity
and Quality, and Sludge Parameters
on Predictive Abilities of Non-Linear Models
for Activated Sludge Settleability Predictions
Bartosz Szeląg, Jarosław Gawdzik
Faculty of Environmental, Geomatic and Energy Engineering, Kielce University of Technology,
Tysiąclecia Państwa Polskiego 7, 25-314 Kielce, Poland
Tysiąclecia Państwa Polskiego 7, 25-314 Kielce, Poland
Submission date: 2016-06-18
Acceptance date: 2016-08-23
Online publication date: 2017-01-31
Publication date: 2017-01-31
Pol. J. Environ. Stud. 2017;26(1):315–322
KEYWORDS
TOPICS
ABSTRACT
This paper discusses the possibility of applying the three “black-box” methods to sludge settleability
predictions. Additionally, the impact of the load of biogenic compounds and parameters of activated sludge
on predictive abilities of the devised mathematical models is analysed in the paper. To conduct analyses we
relied on the results of measurements of wastewater quantity and quality, and of the bioreactor operational
parameters, taken on continuous basis at the Sitkówka-Nowiny treatment plant in 2012-16. The analyses
conducted for the study indicate that the lowest values of errors in activated sludge settleability predictions
for the wastewater treatment plant of concern were obtained for input data on the load of biogenic compounds
at the inflow, microorganism culture environment, and activated sludge concentration.
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