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231225s2021 xx |||||o 00| ||eng c |
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|a 10.2166/wst.2020.588
|2 doi
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|a pubmed24n1095.xml
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|a (DE-627)NLM328571024
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|a (NLM)34312336
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Gehring, T
|e verfasserin
|4 aut
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|a Effect of sewage sampling frequency on determination of design parameters for municipal wastewater treatment plants
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|c 2021
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 28.07.2021
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|a Date Revised 07.12.2022
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|a published: Print
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|a Citation Status MEDLINE
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|a The uncertainty associated with the determination of load parameters, which is a key step in the design of wastewater treatment plants (WWTPs), was investigated on the basis of data sets from 58 WWTPs. A further analysed aspect was the organic load variations associated with variable sewage temperatures. Data from 26 WWTPs with a high inflow sampling frequency was used to simulate scenarios to investigate the effect of lower sampling frequencies through a Monte Carlo approach. The calculation of 85-percentile values for chemical oxygen demand (COD) loadings based on only 26 samples per year is associated with a variability of up to ±18%. Approximately 90 samples per year will be necessary to reduce this uncertainty for estimation of COD loadings below 10%. Hence, a low sampling frequency can potentially lead to under- or overestimation of design parameters. Through an analogous approach, it was possible to identify uncertainties of ±11% in COD loading when weekly average data was used with four samples per week. Finally, a tendency to lower COD input loads with increasing temperatures was identified, with a reduction of about 1% of the average loading per degree Celsius
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|a Journal Article
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|a Sewage
|2 NLM
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|a Waste Water
|2 NLM
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| 700 |
1 |
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|a Deineko, E
|e verfasserin
|4 aut
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|a Hobus, I
|e verfasserin
|4 aut
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|a Kolisch, G
|e verfasserin
|4 aut
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|a Lübken, M
|e verfasserin
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|a Wichern, M
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Water science and technology : a journal of the International Association on Water Pollution Research
|d 1986
|g 84(2021), 2 vom: 15. Juli, Seite 284-292
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|x 0273-1223
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|g volume:84
|g year:2021
|g number:2
|g day:15
|g month:07
|g pages:284-292
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|u http://dx.doi.org/10.2166/wst.2020.588
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