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Article

Photocatalytic Treatment of Stained Wastewater Coming from Handicraft Factories. A Case Study at the Pilot Plant Level

1
Grupo de Catálisis, Facultad de Ciencias, Universidad Pedagógica y Tecnológica de Colombia, Avenida Central del Norte, Tunja 150003, Boyacá, Colombia
2
Instituto de Ciencia de Materiales de Sevilla (ICMS), Consejo Superior de Investigaciones Científicas CSIC—Universidad de Sevilla, Calle Américo Vespucio 49, 41092 Seville, Spain
*
Author to whom correspondence should be addressed.
Academic Editors: Changseok Han, Daphne Hermosilla Redondo, Hodon Ryu, Woo Hyoung Lee and Miguel Angel Mueses
Water 2021, 13(19), 2705; https://doi.org/10.3390/w13192705
Received: 20 July 2021 / Revised: 24 September 2021 / Accepted: 25 September 2021 / Published: 29 September 2021
UV/H2O2 process and TiO2-based photocatalysis were studied in the present work. The effectiveness of these methods was tested in the treatment of effluents taken from handicraft factories. Microorganisms, dyes, and different organic pollutants were detected in the industrial effluents. The experimental procedure for the wastewater treatment was carried out in a patented sunlight reactor on a pilot plant scale. From this study, UV/H2O2 was found to be the best treatment for dye elimination. The optimal peroxide dosage for the degradation of dyes and the elimination of bacteria was 0.07 M. In this case, 70.80% of discoloration was achieved after 7 h of sunlight exposure, under an average sunlight intensity of 3.42 W/m2. The photocatalytic treatment based on TiO2 achieved the highest elimination of coliform bacteria and the lowest TOC value; however, the presence of this material in the reactor had a detrimental effect on the overall elimination of dyes. A combination of both UV/H2O2 and TiO2 treatments significantly improves the dyes discoloration, the elimination of bacteria, and the organic compounds degradation. Some of the results of this study were presented at the 4th Congreso Colombiano de Procesos Avanzados de Oxidación, 4CCPAOx. View Full-Text
Keywords: handicraft factories; effluents; UV/H2O2; TiO2; pilot plant handicraft factories; effluents; UV/H2O2; TiO2; pilot plant
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MDPI and ACS Style

Murcia Mesa, J.J.; Hernández Niño, J.S.; González, W.; Rojas, H.; Hidalgo, M.C.; Navío, J.A. Photocatalytic Treatment of Stained Wastewater Coming from Handicraft Factories. A Case Study at the Pilot Plant Level. Water 2021, 13, 2705. https://doi.org/10.3390/w13192705

AMA Style

Murcia Mesa JJ, Hernández Niño JS, González W, Rojas H, Hidalgo MC, Navío JA. Photocatalytic Treatment of Stained Wastewater Coming from Handicraft Factories. A Case Study at the Pilot Plant Level. Water. 2021; 13(19):2705. https://doi.org/10.3390/w13192705

Chicago/Turabian Style

Murcia Mesa, Julie Joseane, Jhon Sebastián Hernández Niño, Wilson González, Hugo Rojas, María Carmen Hidalgo, and José Antonio Navío. 2021. "Photocatalytic Treatment of Stained Wastewater Coming from Handicraft Factories. A Case Study at the Pilot Plant Level" Water 13, no. 19: 2705. https://doi.org/10.3390/w13192705

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