Bioethanol production from sweet sorghum broth and sugar cane fermentation/Producao de bioetanol a partir da fermentacao de caldo de sorgo sacarino e cana-de-acucar

Biofuels have great importance to supply the global energy demand. These fuels are produced from plant biomass, emit less carbon dioxide and particulate pollutants to the environment when used and have great advantage of being renewable fuels. Among the raw materials with potential for ethanol production, is cited sweet sorghum. This study aimed to compare industrial processing of genotype sorghum CVSW80007 and the cultivar sugar cane 'RB966928'for bioethanol production in early season. The analyzes performed were: brix, pH, ART, AR, total acidity, ARRT, glycerol, alcohol content, cell viability, shoots viability and buds. Regarding the chemical-technological characteristics, raw mate rials were suitable for industrial processing, with higher rates for sugar cane. The development of fermentations occurred appropriately for both, and thefermented must (wine) produced from the must of sugar cane had higher alcohol content and fermentation yield.