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Use of metallic oxides deposited on planar and tridimensional substrates for the electrochemical and photochemical degradation of organic pollutants

Grant number: 12/13587-7
Support type:Scholarships in Brazil - Post-Doctorate
Effective date (Start): October 01, 2012
Effective date (End): April 30, 2014
Field of knowledge:Physical Sciences and Mathematics - Chemistry - Physical-Chemistry
Principal researcher:Romeu Cardozo Rocha Filho
Grantee:José Mario de Aquino
Home Institution: Centro de Ciências Exatas e de Tecnologia (CCET). Universidade Federal de São Carlos (UFSCAR). São Carlos , SP, Brazil


The production, characterization, and use of TiO2 nanotubes will be carried out in aqueous and organic mediums, to use them as photoanodes or substrates for the deposition of the ²-PbO2 and SnO2-Sb oxides by different techniques. Additionally, reticulated vitreous carbon substrates will be used for the deposition of the ²-PbO2 and possibly SnO2-Sb oxides. All these anodes will be applied in the photooxidation, electrophotooxidation and electrooxidation of organic pollutants. The use of TiO2 nanotubes in the photooxidation process will be carried out after a heat treatment in a microwave oven to obtain the oxide in the anatase crystallographic phase. Moreover, a new electrode material, amorphous carbon nitride, will be characterized and possibly used in the photooxidation of organic pollutants. The performances of the studied electrodes will be compared with the ones of boron-doped diamond electrodes.

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Scientific publications (7)
(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)
SANCHEZ-MONTES, ISAAC; FUZER NETO, JOSE R.; SILVA, BIANCA F.; SILVA, ADILSON J.; AQUINO, JOSE M.; ROCHA-FILHO, ROMEU C. Evolution of the antibacterial activity and oxidation intermediates during the electrochemical degradation of norfloxacin in a flow cell with a PTFE-doped beta-PbO2 anode: Critical comparison to a BDD anode. Electrochimica Acta, v. 284, p. 260-270, SEP 10 2018. Web of Science Citations: 3.
SILVA, DIEGO D.; SANCHEZ-MONTES, ISAAC; HAMMER, PETER; AQUINO, JOSE M. On the supercapacitor performance of microwave heat treated self organized TiO2 nanotubes: influence of the cathodic pre-treatment, water aging, and thermal oxide. Electrochimica Acta, v. 245, p. 157-164, AUG 10 2017. Web of Science Citations: 2.
AQUINO, JOSE M.; PEREIRA, GABRIEL F.; ROCHA-FILHO, ROMEU C.; BOCCHI, NERILSO; BIAGGIO, SONIA R. Combined Coagulation and Electrochemical Process to Treat and Detoxify a Real Textile Effluent. WATER AIR AND SOIL POLLUTION, v. 227, n. 8 AUG 2016. Web of Science Citations: 8.
AQUINO, JOSE M.; SILVA, JOAO P.; ROCHA-FILHO, ROMEU C.; BIAGGIO, SONIA R.; BOCCHI, NERILSO. Comparison between microwave and muffle annealing of self organized TiO2 nanotubes into crystalline anatase. Materials Letters, v. 167, p. 209-212, MAR 15 2016. Web of Science Citations: 2.
AQUINO, JOSE M.; ROCHA-FILHO, ROMEU C.; RUOTOLO, LUIS A. M.; BOCCHI, NERILSO; BIAGGIO, SONIA R. Electrochemical degradation of a real textile wastewater using beta-PbO2 and DSA (R) anodes. CHEMICAL ENGINEERING JOURNAL, v. 251, p. 138-145, SEP 1 2014. Web of Science Citations: 77.
AQUINO, JOSE M.; ROCHA-FILHO, ROMEU C.; BOCCHI, NERILSO; BIAGGIO, SONIA R. Microwave-assisted crystallization into anatase of amorphous TiO2 nanotubes electrochemically grown on a Ti substrate. Materials Letters, v. 126, p. 52-54, JUL 1 2014. Web of Science Citations: 6.
DOUGLAS A. C. COLEDAM; JOSÉ M. AQUINO; ROMEU C. ROCHA-FILHO; NERILSO BOCCHI; SONIA R. BIAGGIO. Influence of chloride-mediated oxidation on the electrochemical degradation of the direct black 22 dye using boron-doped diamond and β-PbO2 anodes. Química Nova, v. 37, n. 8, p. 1312-1317, 2014.

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