In recent years, due to the greater concern of science and society for the environment, there has been an increase in the number of studies aimed at the use of agro-industrial waste as a way of using it to generate products with high added value. There are different types of waste generated by industries, such as tanneries, sugar and alcohol, slaughterhouses, raise animal, food, cellulose and paper. Microorganisms can be used in the bio-recycling of these residues or in the production of various products with high added value, including industrially