稀硫酸预处理对杂交狼尾草木质纤维素化学组分和表征结构的影响

高凤芹,景媛媛,德英,万其号,刘鹰昊,塔娜

Effects of Dilute Sulfuric Acid Pretreatment on Chemical Composition and Characterization Structure of Hybrid Pennisetum (Pennisetum americanum×P.purpureum) Lignocellulose

GAO FengQin,JING YuanYuan,DE Ying,WAN QiHao,LIU YingHao,

表1 杂交狼尾草稀硫酸预处理单因素试验设计

Table 1 Single factor experimental design of hybrid pennisetum with dilute sulfuric acid pretreatment

浓度 Concentration (%) 固液比 Solid-liquid ratio (g·mL-1) 时间 Time (min) 温度 Temperature (℃) 单因素水平 Levels of single factor 0.5 1﹕6 15 80 1.0 1﹕8 30 100 1.5 1﹕10 45 110 2.0 1﹕12 60 120 2.5 1﹕14 90 125 固定因子 Fixed factors 1﹕8 g·mL-1 30 min 120℃ 2.0% 30 min 120℃ 2.0% 1﹕8 g·mL-1 120℃ 2.0% 1﹕8 g·mL-1 30 min