期刊
ANALYTICA CHIMICA ACTA
卷 544, 期 1-2, 页码 246-253出版社
ELSEVIER
DOI: 10.1016/j.aca.2004.12.061
关键词
environmental sciences; activated sludge; image analysis; PLS; environmetrics
The biomass present in a wastewater treatment plant was 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. (c) 2004 Elsevier B.V. All rights reserved.
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