METHOD FOR OBTAINING A SOLID FERTILIZER AND BIOFUEL PRODUCT FROM SUGARCANE VINASSES AND SOLID FERTILIZER AND BIOFUEL PRODUCT OBTAINED BY MEANS OF SAID METHOD

摘要

The present invention relates to a method for obtaining a solid fertilizer and biofuel product from sugarcane vinasses and solid fertilizer and biofuel product obtained by means of said method which allows optimum use of resources and high energy efficiency throughout the method, in addition to a solution for managing the residue constituted by vinasse, comprising a step A consisting of concentrating liquid vinasse (1) until obtaining concentrated vinasse (2) with a percentage of solid of at least 50%, a step B consisting of mixing the concentrated vinasse (2) with plant compounds (3), and a step C consisting of granulating the mixture obtained in step B until obtaining a solid granulated product (4) that can be used as fertilizer (4′) and as biofuel (4″).