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| Indexado |
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| DOI | 10.1007/S11356-020-11223-Y | ||||
| Año | 2021 | ||||
| Tipo | artículo de investigación |
Citas Totales
Autores Afiliación Chile
Instituciones Chile
% Participación
Internacional
Autores
Afiliación Extranjera
Instituciones
Extranjeras
In this study, the simultaneous degradation of antibiotics (ampicillin, sulfamethazine, and tetracycline; and non-steroidal anti-inflammatories (diclofenac and salicylic acid)) including the total organic carbon abatement by solar photoelectro-Fenton process was assessed. Eight liters of solution containing the mixture of the five pharmaceuticals in 1 mmol L-1 Fe2+, 0.05 mol L-1 Na2SO4 at pH 3 and 35 degrees C were electrolyzed applying different current densities (j = 10, 25, and 50 mA cm(-2)) in a solar-electrochemical pilot plant. The pilot plant was equipped with an electrochemical filter press cell with a dimensionally stable anode (DSA type) and an air-diffusion cathode coupled to a solar photoreactor exposed directly to sunlight radiation. All pharmaceuticals were degraded during the first 10 min. A TOC removal efficiency of 99.2% after 100 min of treatment with an energy consumption of 534.23 kW h (kg(TOC))(-1) and 7.15 kW h m(-3) was achieved. The pharmaceutical concentration decay followed a pseudo-first-order kinetics. The specific energy per unit of mass of ampicillin, diclofenac, salicylic acid, sulfamethazine, and tetracycline was obtained at 11.73, 19.56, 35.2, 11.73, and 39.32 kW h (kg(PD))(-1) for ampicillin, diclofenac, salicylic acid, sulfamethazine, and tetracycline, respectively. With our results, we demonstrated that SPEF is an emerging technology for the treatment of this type of pollutants in short time.
| Ord. | Autor | Género | Institución - País |
|---|---|---|---|
| 1 | Bugueno-Carrasco, Sebastian | Hombre |
Universidad de Santiago de Chile - Chile
|
| 2 | Monteil, Helene | Mujer |
Univ Paris Est - Francia
Université Paris-Est - Francia Laboratoire Géomatériaux et Environnement (LGE) - Francia |
| 3 | Toledo-Neira, Carla | Mujer |
Universidad de Santiago de Chile - Chile
|
| 4 | Sandoval, Miguel A. | Hombre |
Universidad de Santiago de Chile - Chile
UNIV GUANAJUATO - México Universidad de Guanajuato - México |
| 5 | Thiam, Abdoulaye | - |
Universidad Tecnológica Metropolitana - Chile
|
| 6 | SALAZAR-GONZALEZ, RICARDO ANDRES | Hombre |
Universidad de Santiago de Chile - Chile
|
| Fuente |
|---|
| Consejo Nacional de Ciencia y Tecnología |
| Comisión Nacional de Investigación Científica y Tecnológica |
| Universidad de Santiago de Chile |
| Departamento de Investigaciones Científicas y Tecnológicas, Universidad de Santiago de Chile |
| Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas |
| Consejo Nacional de Ciencia y Tecnologia, Mexico (CONACYT) |
| ECOSCONICYT |
| Direccion de Investigaciones Cientificas y Tecnologicas (DICYT), Universidad de Santiago de Chile |
| Agradecimiento |
|---|
| Miguel A. Sandoval is grateful to Consejo Nacional de Ciencia y Tecnologia, Mexico (CONACYT), for granting the postdoctoral scholarship, No. 386022, and Direccion de Investigaciones Cientificas y Tecnologicas (DICYT), Universidad de Santiago de Chile, under the project 021942SG_POSDOC. Ricardo Salazar thanks ECOSCONICYT 170019 and ANID/FONDAP/15110019. |
| Miguel A. Sandoval is grateful to Consejo Nacional de Ciencia y Tecnología, México (CONACYT), for granting the postdoctoral scholarship, No. 386022, and Dirección de Investigaciones Científicas y Tecnológicas (DICYT), Universidad de Santiago de Chile, under the project 021942SG_POSDOC. Ricardo Salazar thanks ECOS-CONICYT 170019 and ANID/FONDAP/15110019. |