Sodium niobate electrodes decorated with WO3 and CeO2 for degradation of the organophosphate pesticide acephate by advanced oxidative electrochemical processes

• Grant number: 20/14100-0
• Support Opportunities: Scholarships in Brazil - Post-Doctoral
• Start date: May 01, 2021
• End date: October 04, 2021
• Field of knowledge: Engineering - Sanitary Engineering - Water Supply and Wastewater Treatment
• Principal Investigator: Marcos Roberto de Vasconcelos Lanza
• Grantee: Felipe de Moura Souza
• Host Institution: Instituto de Química de São Carlos (IQSC). Universidade de São Paulo (USP). São Carlos , SP, Brazil
• Associated research grant: 17/10118-0 - Study and application of electrochemical technology for the analysis and degradation of endocrine interferents: materials, sensors, processes and scientific dissemination, AP.TEM

Abstract

Brazil has exponentially increased the number of pesticides released for use in Agriculture in recent years. Many of these pesticides are extremely dangerous for our ecosystem. This work aims to develop a viable alternative for the treatment of effluents contaminated with the organophosphate pesticide acephate, using Advanced Oxidative Electrochemical Processes (AOEP). The modification of Vulcan XC72 carbon with sodium niobate (NaNbO3) microcubes is an interesting electrocatalyst for research to mineralize this pollutant because Brazil has the largest world reserve of Niobium. A gas diffusion electrode (EDG) for the production of hydroxyl radical (HO.), from the oxygen reduction reaction (RRO) and the electro-fenton reaction, will be used to degrade this pollutant. The project intends to synthesize, characterize, investigate, apply electrocatalysts for acephate mining with subsequent monitoring of the process efficiency. Therefore, it is hoped that through this study, Brazilian Science can make technological materials feasible to minimize the effects of increased use of Acephate in Brazilian Agriculture. (AU)

Scientific publications

(5)

(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)

SANTOS, MAURO C.; ANTONIN, VANESSA S.; SOUZA, FELIPE M.; AVEIRO, LUCI R.; PINHEIRO, VICTOR S.; GENTIL, TUANI C.; LIMA, THAYS S.; MOURA, JOAO P. C.; SILVA, CAROLINA R.; LUCCHETTI, LANNA E. B.; et al. Decontamination of wastewater containing contaminants of emerging concern by electrooxidation and Fenton-based processes - A review on the relevance of materials and methods. Chemosphere, v. 307, p. 26-pg., 2022-11-01. (17/22976-0, 18/18675-8, 17/21846-6, 17/10118-0, 20/14100-0, 17/26288-1, 15/10314-8)

PINHEIRO, VICTOR S.; SOUZA, FELIPE M.; GENTIL, TUANI C.; NASCIMENTO, ALINE N.; PARREIRA, LUANNA S.; SAIRRE, MIRELA, I; BATISTA, BRUNO L.; SANTOS, MAURO C.. Pd-Pt nanoparticles combined with ceria nanorods for application in oxygen reduction reactions in alkaline direct ethanol fuel cell cathodes. Journal of Alloys and Compounds, v. 899, p. 14-pg., 2022-04-05. (15/10314-8, 17/10118-0, 20/14100-0, 17/26288-1, 18/18675-8, 17/22976-0, 17/21846-6)

PINHEIRO, VICTOR S.; SOUZA, FELIPE M.; GENTIL, TUANI C.; NASCIMENTO, ALINE N.; PARREIRA, LUANNA S.; HAMMER, PETER; SAIRRE, MIRELA I.; BATISTA, BRUNO L.; SANTOS, MAURO C.. Electrocatalysts based on low amounts of palladium combined with tin nanoparticles and cerium dioxide nanorods for application as ADEFC anodes. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, v. 46, n. 79, p. 39438-39456, NOV 16 2021. (17/21846-6, 17/10118-0, 18/18675-8, 20/14100-0, 15/10314-8, 17/26288-1, 17/22976-0)

ANTONIN, VANESSA S.; LUCCHETTI, LANNA E. B.; SOUZA, FELIPE M.; PINHEIRO, VICTOR S.; MOURA, JOAO C.; TRENCH, ALINE B.; DE ALMEIDA, JAMES M.; AUTRETO, PEDRO A. S.; LANZA, MARCOS R. V.; SANTOS, MAURO C.. Sodium niobate microcubes decorated with ceria nanorods for hydrogen peroxide electrogeneration: An experimental and theoretical study. Journal of Alloys and Compounds, v. 965, p. 11-pg., 2023-11-25. (17/22976-0, 21/14394-7, 21/05364-7, 17/10118-0, 19/01925-4, 20/14100-0)

SOUZA, FELIPE M.; LIMA, THAYS S.; BOHNSTEDT, PAULA; PINHEIRO, VICTOR S.; BATISTA, BRUNO L.; PARREIRA, LUANNA S.; SIMOES, FABIO R.; CODOGNOTO, LUCIA; HAMMER, PETER; SANTOS, MAURO C.. Fast and Inexpensive Synthesis of Multilayer Graphene Used as Pd Support in Alkaline Direct Ethanol Fuel Cell Anode. ELECTROCATALYSIS, v. 12, n. 6, SEP 2021. (17/21846-6, 15/10314-8, 17/22976-0, 17/10118-0, 17/24742-7, 20/14100-0, 18/26307-9, 17/26288-1)