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Modelling of an activated primary settling tank including the fermentation process and VFA elutriation

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Modelling of an activated primary settling tank including the fermentation process and VFA elutriation

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dc.contributor.author	Ribes Bertomeu, Josep
dc.contributor.author	Ferrer Polo, José
dc.contributor.author	Bouzas Blanco, Alberto
dc.contributor.author	Seco Torrecillas, Aurora
dc.date.accessioned	2019-11-11T14:35:38Z
dc.date.available	2019-11-11T14:35:38Z
dc.date.issued	2002
dc.identifier.citation	Ribes Bertomeu, Josep Ferrer Polo, José Bouzas Blanco, Alberto Seco Torrecillas, Aurora 2002 Modelling of an activated primary settling tank including the fermentation process and VFA elutriation Environmental Technology 23 10 1147 1156
dc.identifier.uri	https://hdl.handle.net/10550/72165
dc.description.abstract	A complete model of a primary settler including both sedimentation and biological processes is presented. It is a one-dimensional model based on the solids flux concept and the conservation of mass that uses the Takács model for the settling velocity, which is corrected by a compression function in the lower layers. The biological model is based on the ASM2 and enlarged with the fermentation model proposed by this research group. The settler was split in ten layers and the flux terms in the mass balance for each layer is obtained by means of the settling model. A pilot plant has been operated to study the primary sludge fermentation and volatile fatty acids (VFA) elutriation in a primary settler tank. The model has been tested with pilot plant experimental data with very good results. It has been able to simulate the VFA production in the settler and their elutriation with the influent wastewater for all the studied experiments. The developed model is easily applicable to secondary settlers and thickeners, also taking into account biological activity inside them.
dc.language.iso	eng
dc.relation.ispartof	Environmental Technology, 2002, vol. 23, num. 10, p. 1147-1156
dc.subject	Aigües residuals Plantes de tractament
dc.subject	Sedimentació
dc.title	Modelling of an activated primary settling tank including the fermentation process and VFA elutriation
dc.type	journal article	es_ES
dc.date.updated	2019-11-11T14:35:40Z
dc.identifier.doi	10.1080/09593332308618333
dc.identifier.idgrec	013163
dc.rights.accessRights	open access	es_ES