000165104 001__ 165104
000165104 005__ 20251212165958.0
000165104 0247_ $$2doi$$a10.1007/s11356-019-07276-3
000165104 0248_ $$2sideral$$a116179
000165104 037__ $$aART-2020-116179
000165104 041__ $$aeng
000165104 100__ $$0(orcid)0000-0002-1401-7511$$aMoles, Samuel$$uUniversidad de Zaragoza
000165104 245__ $$aPerformance comparison of commercial TiO2: separation and reuse for bacterial photo-inactivation and emerging pollutants photo-degradation
000165104 260__ $$c2020
000165104 5203_ $$aThis research aims to compare the disinfection and degradation effectiveness in water of a commercial suspension of nano-TiO<inf>2</inf> (TiO<inf>2</inf>Levenger) with the standard TiO<inf>2</inf>Degussa P25. Photo-inactivation and photo-degradation experiments were conducted with UVA-vis light. Concerning the disinfection, the effects of TiO<inf>2</inf> dose (0–2 g/l), water matrix, bacterium type (Gram-positive or Gram-negative), and bacterial regrowth after the photo-treatments were studied for each catalyst. The experimental results show that Enterococcus sp. (Gram-positive) was more resistant to the photo-treatments than Escherichia coli (Gram-negative) for both catalyst; however, postirradiation trends showed similar behavior for both bacteria, favoring regrowth for short-treated cells and decay for longer-treated ones. Caffeine was selected as a model substance of pharmaceuticals and personal care products. In terms of caffeine removal, the effects of TiO<inf>2</inf> dose (0–2 g/l) and water matrix were analyzed. Besides, the comparison between mechanical coagulation-flocculation-decantation and simple decantation of TiO<inf>2</inf> was carried out. The results show that simple decantation allowed the recovery of 97.5% of TiO<inf>2</inf> Degussa P25 and TiO<inf>2</inf> Levenger within 1 day of simple decantation, while applying the proposed mechanical coagulation-flocculation decantation 99.7% of recovery of both catalysts was achieved in 2 hours. Finally, the subsequent reuse of both catalysts was proved with little loss of efficiency in terms of photo-disinfection during the four cycles. Nevertheless, the standard TiO<inf>2</inf> Degussa P25 photo-degradation efficiency of caffeine decreases considerably as compared to commercial suspension of TiO<inf>2</inf> Levenger concerning the reutilization.
000165104 536__ $$9info:eu-repo/grantAgreement/ES/DGA-FSE/T51-17R
000165104 540__ $$9info:eu-repo/semantics/closedAccess$$aAll rights reserved$$uhttp://www.europeana.eu/rights/rr-f/
000165104 590__ $$a4.223$$b2020
000165104 591__ $$aENVIRONMENTAL SCIENCES$$b91 / 273 = 0.333$$c2020$$dQ2$$eT2
000165104 592__ $$a0.844$$b2020
000165104 593__ $$aEnvironmental Chemistry$$c2020$$dQ2
000165104 593__ $$aPollution$$c2020$$dQ2
000165104 593__ $$aMedicine (miscellaneous)$$c2020$$dQ2
000165104 593__ $$aHealth, Toxicology and Mutagenesis$$c2020$$dQ2
000165104 655_4 $$ainfo:eu-repo/semantics/article$$vinfo:eu-repo/semantics/publishedVersion
000165104 700__ $$0(orcid)0000-0002-4019-4466$$aValero, Pilar
000165104 700__ $$0(orcid)0000-0001-9898-0139$$aEscuadra, Silvia
000165104 700__ $$0(orcid)0000-0002-7456-4912$$aMosteo, Rosa$$uUniversidad de Zaragoza
000165104 700__ $$aGómez, Jairo
000165104 700__ $$0(orcid)0000-0003-3014-0322$$aOrmad, María P.$$uUniversidad de Zaragoza
000165104 7102_ $$15005$$2790$$aUniversidad de Zaragoza$$bDpto. Ing.Quím.Tecnol.Med.Amb.$$cÁrea Tecnologi. Medio Ambiente
000165104 773__ $$g27 (2020), 9099–9113$$pEnviron. sci. pollut. res. int.$$tEnvironmental Science and Pollution Research$$x0944-1344
000165104 8564_ $$s2507145$$uhttps://zaguan.unizar.es/record/165104/files/texto_completo.pdf$$yVersión publicada
000165104 8564_ $$s2343541$$uhttps://zaguan.unizar.es/record/165104/files/texto_completo.jpg?subformat=icon$$xicon$$yVersión publicada
000165104 909CO $$ooai:zaguan.unizar.es:165104$$particulos$$pdriver
000165104 951__ $$a2025-12-12-14:42:45
000165104 980__ $$aARTICLE