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TitleActivated sludge monitoring of a wastewater treatment plant using image analysis and partial least squares regression
Author(s)Amaral, A. L.
Ferreira, E. C.
KeywordsEnvironmental sciences
Activated sludge
Image analysis
Issue date2005
JournalAnalytica chimica acta
Citation"Analytica chimica acta". ISSN 0003-2670. 544:1-2 (2005) 246-253.
Abstract(s)The biomass present in awastewater treatment plantwas surveyed and their morphological properties related with operating parameters such as the total suspended solids (TSS) and sludge volume index (SVI). For that purpose image analysis was used to provide the morphological data subsequently treated by partial least squares regression (PLS) multivariable statistical technique. The results denoted the existence of a severe bulking problem of non-zoogleal nature and the PLS analysis revealed a strong relationship between the TSS and the total aggregates area as well as a close correlation between the filamentous bacteria per suspended solids ratio and the SVI.
Publisher version
AccessOpen access
Appears in Collections:CEB - Publicações em Revistas/Séries Internacionais / Publications in International Journals/Series

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