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Odour concentrations prediction based on odorants concentrations from biosolid emissions

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dc.abstract.enBiosolids storage areas are a significant contributor to wastewater treatment plant (WWTPs) odour emissions which can cause sensorial impact to surrounding communities. Most odour impact regulations are based on odour concentration (COD) measurements determined by dynamic olfactometry. Understanding the relationship between odorants concentrations and COD in the biosolids emission is important to identify how the measurement and monitoring can be conducted using analytical rather than sensorial techniques. Some of the odorants are unknown in biosolid emissions, increasing the uncertainty in predicting COD. In this study, emissions from 56 biosolid samples collected from two WWTPs located in Sydney, Australia, were analysed by analytical and sensorial methods, including olfactory detection port (ODP) and dynamic olfactometry. Concentrations of 25 odorants and two ordinal variables represented odour events detected by ODP assessors were linked to COD values. Bayesian Model Averaging and Variable Selection with Bayesian Adaptive Sampling were applied to model the relation between COD and odorants concentrations. Results indicate the usability of the probabilistic methods and nonlinear transformations in modelling the odour concentrations based on odorants concentrations from biosolids emission and the accuracy of a small dataset.
dc.affiliationUniwersytet Warszawski
dc.contributor.authorBarczak, Radosław
dc.contributor.authorStuetz, Richard M.
dc.contributor.authorFisher, Ruth M.
dc.contributor.authorMożaryn, Jakub
dc.date.accessioned2024-01-25T15:14:55Z
dc.date.available2024-01-25T15:14:55Z
dc.date.copyright2022-07-14
dc.date.issued2022
dc.description.accesstimeAT_PUBLICATION
dc.description.financeNie dotyczy
dc.description.number2
dc.description.versionFINAL_PUBLISHED
dc.description.volume214
dc.identifier.doi10.1016/J.ENVRES.2022.113871
dc.identifier.issn0013-9351
dc.identifier.urihttps://repozytorium.uw.edu.pl//handle/item/114349
dc.identifier.weblinkhttps://www.sciencedirect.com/science/article/pii/S0013935122011987
dc.languageeng
dc.pbn.affiliationchemical sciences
dc.relation.ispartofEnvironmental Research
dc.relation.pages1-9
dc.rightsCC-BY
dc.sciencecloudnosend
dc.titleOdour concentrations prediction based on odorants concentrations from biosolid emissions
dc.typeJournalArticle
dspace.entity.typePublication