000111620 001__ 111620
000111620 005__ 20220309113621.0
000111620 0247_ $$2doi$$a10.1016/j.jenvman.2020.110268
000111620 0248_ $$2sideral$$a117117
000111620 037__ $$aART-2020-117117
000111620 041__ $$aeng
000111620 100__ $$aBenito, María
000111620 245__ $$aSeeking the reuse of effluents and sludge from conventional wastewater treatment plants: Analysis of the presence of intestinal protozoa and nematode eggs
000111620 260__ $$c2020
000111620 5060_ $$aAccess copy available to the general public$$fUnrestricted
000111620 5203_ $$aSome of the microorganisms present in urban wastewater, which include intestinal protozoa and nematodes, can be pathogenic. Their (oo)cyst and egg transmissible stages are very resistant to environmental stresses and disinfectants and they are therefore difficult to remove. Thus, they can constitute a health risk if water or sludge obtained in the purification of wastewater is reused for agricultural purposes. In this context, the presence of intestinal protozoa and nematodes were studied in influents, effluents and sludge from five wastewater treatment plants (WWTPs) in the north of Spain by optical microscopy and PCR techniques. The removal efficiency of different wastewater treatments was also compared. The presence of protozoa has increased among the population discharging waste to WWTPs in recent years. Cryptosporidium spp., Giardia duodenalis, Entamoeba spp. and nematodes were detected in all of the WWTPs. Indeed, this is the first report of Entamoeba histolytica and Entamoeba moshkovskii in Spanish WWTPs. The water treatments studied showed different removal efficiencies for each species of intestinal protozoa, with the aerated lagoons providing the best results. (Oo)cysts were also detected in sludge even after aerobic digestion and dehydration. To avoid risks, (oo)cyst viability should be analysed whenever the sludge is to be used as a fertilizer. This study reinforces the necessity of establishing legal limits on the presence of protozoa in WWTP effluents and sludges, especially if reuse is planned. Further studies are necessary for a better understanding of the presence and behaviour of intestinal parasites.
000111620 536__ $$9info:eu-repo/grantAgreement/ES/DGA/T51-17R
000111620 540__ $$9info:eu-repo/semantics/openAccess$$aby-nc-nd$$uhttp://creativecommons.org/licenses/by-nc-nd/3.0/es/
000111620 590__ $$a6.789$$b2020
000111620 591__ $$aENVIRONMENTAL SCIENCES$$b34 / 272 = 0.125$$c2020$$dQ1$$eT1
000111620 592__ $$a1.441$$b2020
000111620 593__ $$aEnvironmental Engineering$$c2020$$dQ1
000111620 593__ $$aWaste Management and Disposal$$c2020$$dQ1
000111620 593__ $$aMedicine (miscellaneous)$$c2020$$dQ1
000111620 593__ $$aManagement, Monitoring, Policy and Law$$c2020$$dQ1
000111620 655_4 $$ainfo:eu-repo/semantics/article$$vinfo:eu-repo/semantics/acceptedVersion
000111620 700__ $$0(orcid)0000-0003-2587-6423$$aMenacho, Carmen$$uUniversidad de Zaragoza
000111620 700__ $$0(orcid)0000-0002-9981-9045$$aChueca, Patricia$$uUniversidad de Zaragoza
000111620 700__ $$0(orcid)0000-0003-3014-0322$$aOrmad, María P.$$uUniversidad de Zaragoza
000111620 700__ $$0(orcid)0000-0003-0765-7227$$aGoñi, Pilar$$uUniversidad de Zaragoza
000111620 7102_ $$11011$$2660$$aUniversidad de Zaragoza$$bDpto. Microb.Ped.Radio.Sal.Pú.$$cÁrea Parasitología
000111620 7102_ $$11011$$2X$$aUniversidad de Zaragoza$$bDpto. Microb.Ped.Radio.Sal.Pú.$$cÁrea Técnica. Lab. y Talleres
000111620 7102_ $$15005$$2790$$aUniversidad de Zaragoza$$bDpto. Ing.Quím.Tecnol.Med.Amb.$$cÁrea Tecnologi. Medio Ambiente
000111620 773__ $$g261, 110268 (2020), 1-9$$pJ. environ. manag.$$tJournal of Environmental Management$$x0301-4797
000111620 8564_ $$s1650664$$uhttps://zaguan.unizar.es/record/111620/files/texto_completo.pdf$$yPostprint
000111620 8564_ $$s1005964$$uhttps://zaguan.unizar.es/record/111620/files/texto_completo.jpg?subformat=icon$$xicon$$yPostprint
000111620 909CO $$ooai:zaguan.unizar.es:111620$$particulos$$pdriver
000111620 951__ $$a2022-03-09-09:11:36
000111620 980__ $$aARTICLE