title: Degradation and monitoring of acetamiprid, thiabendazole and their transformation products in an agro-food industry effluent during solar photo-Fenton treatment in a raceway pond reactor.
abstract: In this study, pesticides acetamiprid and thiabendazole and their transformation products (TPs), seven from each pesticide, were successfully monitored during solar photo-Fenton treatment in a real secondary effluent from an agro-food industry spiked with 100μgL(-1) of each pesticide. To this end, a highly sensitive procedure was developed, based on liquid chromatography (LC) coupled to hybrid quadrupole-linear ion trap mass spectrometry (QqLIT-MS). In addition, finding low-cost and operational technology for the application of AOPs would then facilitate their use on a commercial level. Simple and extensive photoreactors such as raceway pond reactors (RPRs) are therefore proposed as an alternative for the application of solar photo-Fenton. Results showed that high degradation could be achieved in a complex water matrix (>99% TBZ and 91% ACTM in 240min) using a 120-L RPR pilot plant as novel technology. The analyses indicated that after the treatment only three TPs from ACTM were still present in the effluent, while the others had been removed. The study showed that the goal of either just removing the parent compounds, or going one step further and removing all the TPs, can significantly change the treatment time, which would affect process costs.
authors.affiliation: CIESOL, Joint Centre of the University of Almería-CIEMAT, La Cañada de San Urbano, 04120 Almería, Spain.
authors.forename: Irene
authors.initials: I
authors.lastname: Carra
authors.affiliation: Instituto de Química-UFRGS, Av. Bento Gonçalves, 9500, Bairro: Agronomia, 91509-900 Porto Alegre, RS, Brazil.
authors.forename: Carla
authors.initials: C
authors.lastname: Sirtori
authors.affiliation: CIESOL, Joint Centre of the University of Almería-CIEMAT, La Cañada de San Urbano, 04120 Almería, Spain; Plataforma Solar de Almería (CIEMAT), Carretera Senés, km 4, 04200 Tabernas, Almería, Spain.
authors.forename: Laura
authors.initials: L
authors.lastname: Ponce-Robles
authors.affiliation: CIESOL, Joint Centre of the University of Almería-CIEMAT, La Cañada de San Urbano, 04120 Almería, Spain.
authors.forename: José Antonio
authors.initials: JA
authors.lastname: Sánchez Pérez
authors.affiliation: CIESOL, Joint Centre of the University of Almería-CIEMAT, La Cañada de San Urbano, 04120 Almería, Spain; Plataforma Solar de Almería (CIEMAT), Carretera Senés, km 4, 04200 Tabernas, Almería, Spain.
authors.forename: Sixto
authors.initials: S
authors.lastname: Malato
authors.affiliation: CIESOL, Joint Centre of the University of Almería-CIEMAT, La Cañada de San Urbano, 04120 Almería, Spain. Electronic address: aaguera@ual.es.
authors.forename: Ana
authors.initials: A
authors.lastname: Agüera
mesh_terms: D000383:Agriculture; D019149:Bioreactors; D002853:Chromatography, Liquid; D019649:Food Industry; D006861:Hydrogen Peroxide; D007220:Industrial Waste / Q000032:analysis; D007501:Iron; D013058:Mass Spectrometry; D000073943:Neonicotinoids; D010575:Pesticides / Q000032:analysis; D061005:Ponds / Q000032:analysis; D011725:Pyridines / Q000032:analysis*; D012993:Solar Energy; D013472:Sunlight; D013827:Thiabendazole / Q000032:analysis*; D062065:Wastewater; D014874:Water Pollutants, Chemical / Q000032:analysis* / Q000528:radiation effects
chemical_list: D006861:Hydrogen Peroxide; D007220:Industrial Waste; D007501:Iron; D000073943:Neonicotinoids; D010575:Pesticides; D011725:Pyridines; D013827:Thiabendazole; D062065:Wastewater; D014874:Water Pollutants, Chemical; C045076:Fenton's reagent; C464485:acetamiprid
keywords: Liquid chromatography; Mass spectrometry; Pesticides; Transformation products; Wastewater treatment