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
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高凤芹,景媛媛,德英,万其号,刘鹰昊,塔娜
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Effects of Dilute Sulfuric Acid Pretreatment on Chemical Composition and Characterization Structure of Hybrid Pennisetum (Pennisetum americanum×P.purpureum) Lignocellulose
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GAO FengQin,JING YuanYuan,DE Ying,WAN QiHao,LIU YingHao,
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表4 稀酸预处理下单因素对水解糖产量的影响
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Table 4 Influence of single factor on hydrolyzed sugar of hybrid pennisetum under dilute sulfuric acid pretreatment
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浓度
Concentration (%) | 葡萄糖
Glucose
(g·L-1) | 固液比
Solid-liquid ratio
(g·mL-1) | 葡萄糖
Glucose
(g·L-1) | 时间
Time
(min) | 葡萄糖
Glucose
(g·L-1) | 温度
Temperature
(℃) | 葡萄糖
Glucose
(g·L-1) | | 0.5 | 0.77±0.03e | 1﹕06 | 4.54±0.47a | 15 | 1.98±0.09c | 80 | 0.34±0.01e | | 1.0 | 2.04±0.16d | 1﹕08 | 3.93±0.06b | 30 | 2.56±0.40bc | 100 | 0.96±0.05d | | 1.5 | 3.36±0.22c | 1﹕10 | 3.36±0.22c | 45 | 2.83±0.09bc | 110 | 1.82±0.08c | | 2.0 | 3.72±0.25b | 1﹕12 | 3.31±0.31cd | 60 | 3.92±0.20ab | 120 | 3.36±0.22b | | 2.5 | 4.26±0.22a | 1﹕14 | 2.82±0.04d | 90 | 4.68±0.22a | 125 | 3.70±0.13a | 浓度
Concentration (%) | 木糖
Xylose
(g·L-1) | 固液比
Solid-liquid ratio
(g·mL-1) | 木糖
Xylose
(g·L-1) | 时间
Time
(min) | 木糖
Xylose
(g·L-1) | 温度
Temperature
(℃) | 木糖
Xylose
(g·L-1) | | 0.5 | 15.78±0.33a | 1﹕06 | 13.23±0.22c | 15 | 15.78±0.63a | 80 | 19.80±0.21a | | 1.0 | 15.18±0.20a | 1﹕08 | 15.66±0.76a | 30 | 15.60±1.57a | 100 | 16.50±0.36b | | 1.5 | 13.52±0.48b | 1﹕10 | 14.81±0.25b | 45 | 15.05±0.42a | 110 | 16.33±0.33b | | 2.0 | 13.19±0.42b | 1﹕12 | 14.44±0.22b | 60 | 15.22±0.40a | 120 | 13.98±0.65c | | 2.5 | 13.16±0.66b | 1﹕14 | 14.35±0.43b | 90 | 13.31±0.49b | 125 | 13.47±0.37c |
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