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Atomized sludges via spray-drying at low temperatures: an alternative to conventional wastewater treatment plants
dc.contributor.author | Cusidó Fàbregas, Joan Antoni |
dc.contributor.author | Cremades Oliver, Lázaro Vicente |
dc.contributor.other | Universitat Politècnica de Catalunya. Departament de Física i Enginyeria Nuclear |
dc.contributor.other | Universitat Politècnica de Catalunya. Departament de Projectes d'Enginyeria |
dc.date.accessioned | 2012-09-03T10:25:54Z |
dc.date.available | 2012-09-03T10:25:54Z |
dc.date.created | 2012-04 |
dc.date.issued | 2012-04 |
dc.identifier.citation | Cusido, J.; Cremades, L.V. Atomized sludges via spray-drying at low temperatures: an alternative to conventional wastewater treatment plants. "Journal of environmental management", Abril 2012, vol. 105, p. 61-65. |
dc.identifier.issn | 0301-4797 |
dc.identifier.uri | http://hdl.handle.net/2117/16416 |
dc.description.abstract | Removal of sludges from Wastewater Treatment Plants (WWTP) represents a serious worldwide environmental problem for which alternatives other than their simple incineration are investigated. In this work the treatment of raw sludge from urban WWTP by means of a minimization process through spraydrying is analyzed as well as some proposals for revaluating the resulting dry product. Analysis is supported by some experimental results obtained with a laboratory spray dryer. The experimental procedure at laboratory scale is extrapolated to an industrial plant scale. An economic analysis of the proposal in relation to other possible sludge treatments is presented, taking into account in this case the comparison between the costs of the processes of sludge thickening, stabilization and dehydratation and the costs of spray-drying (especially power consumption), minimization of the final waste and reuse options. Finally, an environmental balance of the process is presented. In contrast with the classical treatment line, this alternative allows transforming sludges, i.e., a waste, into a valuable product with several applications. |
dc.format.extent | 5 p. |
dc.language.iso | eng |
dc.subject | Àrees temàtiques de la UPC::Enginyeria civil::Enginyeria hidràulica, marítima i sanitària::Enginyeria sanitària |
dc.subject.lcsh | Sewage -- Purification |
dc.title | Atomized sludges via spray-drying at low temperatures: an alternative to conventional wastewater treatment plants |
dc.type | Article |
dc.subject.lemac | Aigües residuals -- Depuració |
dc.contributor.group | Universitat Politècnica de Catalunya. GIIP - Grup de Recerca en Enginyeria de Projectes: Disseny i Sostenibilitat |
dc.identifier.doi | 10.1016/j.jenvman.2012.03.053 |
dc.description.peerreviewed | Peer Reviewed |
dc.rights.access | Open Access |
local.identifier.drac | 10291143 |
dc.description.version | Postprint (published version) |
local.citation.author | Cusido, J.; Cremades, L.V. |
local.citation.publicationName | Journal of environmental management |
local.citation.volume | 105 |
local.citation.startingPage | 61 |
local.citation.endingPage | 65 |
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