Guilherme Luiz Dotto is professor in Chemical Engineering Department at Federal University of Santa Maria (UFSM). Is a permanent member of the Chemical Engineering post-graduation program and also of the Chemistry post-graduation program. Is B.Sc. in Food Engineering, M.Sc. in Food Engineering and Ph.D. in Food Engineering. His research is focused on the following areas: transport phenomena, unit operations, wastewater treatment, physicochemical treatments for wastewater and separation processes. In specific, has specialty in adsorption/biosorption of contaminants from aqueous solutions, preparation and characterization of biomaterials and nanobiomaterials, wastewater treatment, wastes management and reuse, drying of biomaterials, statistical optimization, experimental design, response surface methodology, linear and non-linear regression analysis. In these research areas, has more than 160 published articles and is reviewer of more than 100 international journals. Its H-index is 25.