What is it about?
Recycled flows in a wastewater treatment plant are likely to transport filamentous bacteria back to the head of the plant and cause in performance drop in both biological treatment and sludge stabilization units. This is evidenced with 2-year full-scale operational data of a large-scale municipal wastewater treatment plant with a first-time-in-literature/field application of reject water cut-off the plant.
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Why is it important?
Nitrogen overloading of wastewater treatment plant main line flow via recirculation of anaerobic reject water is already known, but other direct effects on sludge settling and thickening are evidenced for the first time in literature.
Perspectives
I had a unique opportunity to have access and work on the plant operation to solve settling problem. I was surprized from the clear improvement while reject water was cut-off the plant. the publication covered two-consecutive year data, therefore, I evaluate the publication as precious as it aims to attract consideration towards the necessity of reject water treatment.
Dr Dilek Erdirencelebi
Selcuk Universitesi
Read the Original
This page is a summary of: Diagnosis of the anaerobic reject water effects on WWTP operational characteristics as a precursor of bulking and foaming, Water Science & Technology, December 2014, IWA Publishing,
DOI: 10.2166/wst.2014.528.
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