Mr. Matheus Cavali holds a degree in Environmental and Sanitary Engineering from the Federal University of Fronteira Sul (UFFS), Brazil, and a master's degree in Bioprocess Engineering and Biotechnology from the Federal University of Paraná (UFPR), Brazil. His research area is waste valorization. He has studied the production of methyl esters (biodiesel) from agro-industrial residues and lignin recovery for the valorization of lignocellulosic residues. He is currently a Ph.D. student in the Graduate Program in Environmental Engineering at the Federal University of Santa Catarina (UFSC), Brazil, where he is researching hydrochar (biochar) production.