Fenton-like application to pretreated cheese whey wastewater.
Abstract: Cheese whey wastewater has been treated by the Fenton-like oxidation system after being pre-processed through a coagulation – flocculation stage with FeCl or alternatively, through a sedimentation step with Ca(OH) plus aerobic digestion. In the first case, Fenton-like oxidation is capable...
| Publicado en: | Journal of Environmental Management Vol. 129; pp. 199 - 206 |
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| Autores principales: | , , |
| Formato: | Artículo |
| Publicado: |
Academic Press Inc.
Nov2013
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| Materias: | |
| Acceso en línea: | Ver este registro en EBSCOhost |
| fields | @attributes: recordID: 1 pdfLink: plink: https://search.ebscohost.com/login.aspx?direct=true&db=ssf&AN=91100667&site=ehost-live header: @attributes: shortDbName: ssf uiTerm: 91100667 longDbName: Social Sciences Full Text (H.W. Wilson) uiTag: AN controlInfo: bkinfo: jinfo: jid: 03014797 EMJ jtl: Journal of Environmental Management issn: 03014797 maglogo: N pubinfo: dt: Nov2013 vid: 129 pid: 735 pub: Academic Press Inc. artinfo: ui: 91100667 10.1016/j.jenvman.2013.07.016 ppf: 199 ppct: 7 formats: tig: atl: Fenton-like application to pretreated cheese whey wastewater. aug: au: Prazeres, Ana R. Carvalho, Fátima Rivas, Javier affil: Departamento de Tecnologias e Ciências Aplicadas, Escola Superior Agrária de Beja, IPBeja, Rua de Pedro Soares, Apartado 158-7801-902, Beja, Portugal Departamento de Ingeniería Química y Química Física, Facultad de Ciencias, UNEX, Avenida de Elvas S/N, 06071 Badajoz, Spain su: Whey processing Cheese products Sewage Oxidation Wastewater treatment Coagulation Flocculation sug: subj: Cheese Manufacturing Sewage Treatment Facilities Butter, cheese, and dry and condensed dairy product manufacturing Whey processing Cheese products Sewage Oxidation Wastewater treatment Coagulation Flocculation keyword: Biodegradation Coagulation–flocculation COD removal Dairy effluents Fenton-like Sedimentation Biodegradation Coagulation–flocculation COD removal Dairy effluents Fenton-like Sedimentation ab: Abstract: Cheese whey wastewater has been treated by the Fenton-like oxidation system after being pre-processed through a coagulation – flocculation stage with FeCl or alternatively, through a sedimentation step with Ca(OH) plus aerobic digestion. In the first case, Fenton-like oxidation is capable of reducing the initial COD (chemical oxygen demand) to 80% of the initial value, 20% of COD shows recalcitrance to chemical oxidation regardless of the operating conditions used. In the second case, the oxidation system is capable of removing almost the total COD present in the pretreated effluent. Given the lower values of initial COD, complete COD conversion is achieved at short reaction times within minutes depending on the initial reagent concentration. Removal of Fe(III) from the oxidation treatment can be achieved by Ca(OH) addition. Sedimentation pH significantly affects the observed settling rate. Hence, neutral conditions lead to better results than slightly acidic pHs. pubtype: Academic Journal doctype: Article src: R language: English refInfo: copyright: @attributes: flag: N holdings: @attributes: islocal: N |
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