Prof. Dr. Xiomar Gómez currently works at the Department of Chemistry and Applied Physics, Chemical Engineering Area, University of León, Spain. She holds teaching experience in bioreactors, biotechnological processes, combustion, collaboration in biofuels, bioenergy, fuels and lubricants, chemical process technology and basic operations. Her research interests are the development of research work in the use and recovery of waste through anaerobic digestion and hydrogen production; and the evaluation of fuel mixtures: behavior of gaseous biofuels and use of spectroscopic techniques applied to biological processes to assess the course of the process and determine the key aspects of the biological degradation.