Scholarship 24/14115-9 - Degradação, Fotocatálise - BV FAPESP
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Design of New 3D Printed Reactors for Photoelectrocatalytic Degradation of Persistent Organic Pollutants in Alcoholic Media

Grant number: 24/14115-9
Support Opportunities:Scholarships abroad - Research Internship - Doctorate
Start date until: February 20, 2025
End date until: February 19, 2026
Field of knowledge:Physical Sciences and Mathematics - Chemistry - Physical-Chemistry
Principal Investigator:Artur de Jesus Motheo
Grantee:William Santacruz Parra
Supervisor: Manuel Andres Rodrigo Rodrigo
Host Institution: Instituto de Química de São Carlos (IQSC). Universidade de São Paulo (USP). São Carlos , SP, Brazil
Institution abroad: Universidad de Castilla-La Mancha, Ciudad Real (UCLM), Spain  
Associated to the scholarship:22/15337-0 - The behavior of different advanced oxidative processes in an alcoholic medium for the degradation of pesticides, BP.DR

Abstract

This project addresses the issue of water bodies contamination by persistent organic molecules, such as monoaromatic compounds (MACs), including phenol and BTEX. These contaminants are common in industrial effluents and pose serious risks to human health and the environment. Conventional water treatment methods are often insufficient to remove these pollutants. To tackle this challenge, the project proposes the development of continuous flow reactors, using 3D printing, for photo-assisted catalytic degradation processes of pollutants in an alcoholic medium, specifically ethanol. The use of ethanol as a solvent is considered primarily due to its efficiency in removing contaminants and its potential to generate value-added products. This application is based on pre-concentration strategies, such as adsorption by activated carbon followed by desorption with organic solvent, to improve the efficiency of oxidation processes. The developed reactors will be tested for the degradation of phenol and BTEX, with an emphasis on process efficiency and the identification of degradation by-products, especially those with added value. Additionally, small-scale reactors will be created for Electron Paramagnetic Resonance (EPR) spectroscopy experiments, aiming at their later use in identifying radical species involved in the system. In this way, 3D printing will enable the creation of reactors with complex geometry and high precision, providing rapid prototyping and experimental testing, both on small and large scales. This approach aims not only to improve the efficiency of water treatment processes but also to promote technological innovation in the field of electrochemical reactors.

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