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Alternative for the Treatment of Leachates Generated in a Landfll of Norte de Santander–Colombia, by Means of the Coupling of a Photocatalytic and Biological Aerobic Process

dc.contributor.authorBecerra Moreno, Dorance
dc.contributor.authorSOTO VERJEL, JOSEPH WBEIMAR
dc.contributor.authorVillamizar, Salvador
dc.contributor.authorMachuca-Martinez, Fiderman
dc.contributor.authorRamírez Ríos, Luisa Fernanda
dc.date.accessioned2021-11-27T23:44:45Z
dc.date.available2021-11-27T23:44:45Z
dc.date.issued2020-05-28
dc.identifier.urihttp://repositorio.ufps.edu.co/handle/ufps/1508
dc.description.abstractIn the present study, the use of heterogeneous photocatalysis TiO2/UV coupled to an activated sludge reactor was evaluated as an alternative treatment for the leachate coming from a Landfll, located in Cucuta (Colombia). TiO2 (Degussa P-25) between 100 and 600 mg.L−1 was used as a catalyst, semi-continuous type reactors for the photocatalysis, a batch for the biological stage, UV light with accumulated energies from 20 to 60 kJ.L−1 were also used, a constant concentration of H2O2 was used as an adjuvant in all tests. The research consisted of four main phases: leachate characterization, biological treatment, optimization of photocatalytic and AOP-biological coupling. For the optimization of the photocatalytic step, an experimental design was carried out through the statistical program Statgraphics Centurion XV of factorial type 3^2 (3 levels 2 variables), modeling the results by means of a response surface, the variables of the pH and the concentration of the catalyst were included, having this as input for the response of interest the percentage (%) of DOC removal. The biological process itself provided a removal of 38 and 24% for COD and DOC, respectively. The AOP-biological coupling provided a removal of 68 and 76% in terms of COD and DOC, respectively. Thus, the coupling signifcantly improves the overall efciency of the process by more than 50%, which represents a promising improvement compared to the removal of organic matter for the treatment of the same type of water using only the biological process. The results show a viable alternative for the treatment of leachate because higher removal levels are achieved in residence times, which are considered shorter than the ones in conventional processes.eng
dc.format.extent14 páginasspa
dc.format.mimetypeapplication/pdfspa
dc.language.isoengspa
dc.publisherTopics in Catalysisspa
dc.relation.ispartofTopics in Catalysis ISSN: 1572-9028, 2020 vol:63 fasc: N/A págs: 1 - 14, DOI:10.1007/s11244-020-01284-1
dc.rightsSpringer Science+Business Media, LLC, part of Springer Nature 2020eng
dc.sourcehttps://link.springer.com/article/10.1007%2Fs11244-020-01284-1spa
dc.titleAlternative for the Treatment of Leachates Generated in a Landfll of Norte de Santander–Colombia, by Means of the Coupling of a Photocatalytic and Biological Aerobic Processeng
dc.typeArtículo de revistaspa
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dc.identifier.doi10.1007/s11244-020-01284-1
dc.publisher.placeLuxemburgospa
dc.relation.citationeditionVol. 63, pages1336–1349 (2020)spa
dc.relation.citationendpage1349spa
dc.relation.citationstartpage1336spa
dc.relation.citationvolume63spa
dc.relation.citesBecerra, D., Soto, J., Villamizar, S. et al. Alternative for the Treatment of Leachates Generated in a Landfill of Norte de Santander–Colombia, by Means of the Coupling of a Photocatalytic and Biological Aerobic Process. Top Catal 63, 1336–1349 (2020). https://doi.org/10.1007/s11244-020-01284-1
dc.relation.ispartofjournalTopics in Catalysisspa
dc.rights.accessrightsinfo:eu-repo/semantics/openAccessspa
dc.subject.proposalLeachateseng
dc.subject.proposalTiO2eng
dc.subject.proposalHeterogeneous photocatalysiseng
dc.subject.proposalActivated sludgeeng
dc.subject.proposalZahn Wellens Testeng
dc.type.coarhttp://purl.org/coar/resource_type/c_6501spa
dc.type.contentTextspa
dc.type.driverinfo:eu-repo/semantics/articlespa
dc.type.redcolhttp://purl.org/redcol/resource_type/ARTspa
oaire.accessrightshttp://purl.org/coar/access_right/c_abf2spa
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85spa
dc.type.versioninfo:eu-repo/semantics/publishedVersionspa


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