USE OF SORGHUM STRAW (Sorghum bicolor) FOR SECOND GENERATION ETHANOL PRODUCTION: PRETREATMENT AND ENZYMATIC HYDROLYSIS

作者：Cardoso Wilton Soares^*; Tardin Flavio Dessaune; Tavares Gabriella Peterlini; Queiroz Paula Viana; Mota Samuel Sampaio; Megumi Kasuya Maria Catarina; de Queiroz Jose Humberto

来源：Quimica Nova, 2013, 36(5): 623-627.

• biomass
• lignocellulosic
• energy crops

Agronomic biomass yields of forage sorghum BRS 655 presented similar results to other energy crops, producing 9 to 12.6 tons/ha (dry mass) of sorghum straw. The objective of this study was to evaluate the lignocellulosic part of this cultivar in terms of its potential in the different unit processes in the production of cellulosic ethanol, measuring the effects of pretreatment and enzymatic hydrolysis. Three types of pre-treatments for two reaction times were conducted to evaluate the characteristics of the pulp for subsequent saccharification. The pulp pretreated by alkali, and by acid followed by delignification, attained hydrolysis rates of over 90%.

• 出版日期2013