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Comparison of two excilamps and two reactor configurations in the UV-H2O2 removal process of amaranth

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dc.contributor.authorMurcia, M.D.
dc.contributor.authorGómez, M.
dc.contributor.authorGómez, E.
dc.contributor.authorGómez, J.L.
dc.contributor.authorHidalgo, A.M.
dc.contributor.authorMurcia, S.
dc.contributor.authorCampos, D.
dc.contributor.departmentIngeniería Química
dc.date.accessioned2024-01-29T18:41:24Z
dc.date.available2024-01-29T18:41:24Z
dc.date.issued2019-11-18
dc.description©2019. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/ This document is the Accepted, version of a Published Work that appeared in final form in Journal of Water Process Engineering. To access the final edited and published work see https://doi.org/10.1016/j.jwpe.2019.101051es
dc.description.abstractNowadays dyes are used in many industrial activities and their presence in wastewater is quite common and involves different environmental and health problems. In addition, dyes are usually recalcitrant compounds and conventional treatment are not appropriate for their removal. So there is great interest in finding alternative removal processes, as the one based on excimer lamp technology for the removal of amaranth dye described in the present work. Two excilamps and two reactor configurations have been tested: a batch reactor with KrCl or XeBr excilamp and a KrCl flow-through photoreactor. After comparing the results for both lamps in the batch reactor, the KrCl excilamp has proven to be more efficient both in terms of conversions achieved and energy consumption and, by this, it has been selected to be used in the flow-through photoreactor. For both reactor configurations, several experimental series were done to analyze the influence of the different operational variables on the photoprocess and the optimal mass ratio between hydrogen peroxide and dye has been established. Also, it has been proven that the use of Fenton reagent improves the process efficiency, particularly in the case of the XeBr lamp. In addition, a kinetic model, based on a previous one developed by the authors for a flow-through photoreactor and slightly modified to can also apply it to batch reactors, has been applied. The model has been validated with an excellent fitting of the experimental data for all series and both reactor configurations.es
dc.formatapplication/pdfes
dc.format.extent45es
dc.identifier.citationJournal of Water Process Engineering, Volume 33, 2020, 101051
dc.identifier.doi10.1016/j.jwpe.2019.101051
dc.identifier.issn2214-7144
dc.identifier.urihttp://hdl.handle.net/10201/138023
dc.languageenges
dc.relationAlong this work, M.D. Murcia was beneficiary of "Ramon y Cajal" contract (2016) from MINECORYC-2016-20211es
dc.relation.publisherversionhttps://www.sciencedirect.com/science/article/abs/pii/S2214714419308360?via%3Dihubes
dc.rightsinfo:eu-repo/semantics/openAccesses
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internacional*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectAmaranthes
dc.subjectExcilampses
dc.subjectFlow-through photoreactores
dc.subjectKinetic modeles
dc.subjectUV photodegradationes
dc.titleComparison of two excilamps and two reactor configurations in the UV-H2O2 removal process of amaranthes
dc.typeinfo:eu-repo/semantics/articlees
dspace.entity.typePublicationes
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