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Lignocellulosic biomass from short rotation woody crops as a feedstock for second-generation bioethanol production

机译：短周期木本农作物的木质纤维素生物质作为第二代生物乙醇生产的原料

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Lignocellulosic biomass can be used as a substrate in an integrated biorefinery, including in the production of second-generation biofuels. Therefore, this study analyzed the chemical composition of biomass of willow, poplar and black locust, depending on the method of soil enrichment (lignin, mineral fertilization, mycorrhiza inoculation and control - no enrichment), and harvest cycle (three- and four-year), as potential feedstock in the production of second-generation bioethanol. The highest content of cellulose in the experiment was found in willow biomass obtained from the control plot in the 3-year harvest cycle. Although the content of cellulose in poplar biomass was similar regardless of its harvest cycle, it was lower than in willow biomass by an average of 5% points. Furthermore, the average content of cellulose in biomass of black locust harvested in a 3-year cycle was the lowest. Of the species under study, the highest content of lignin was found in biomass of poplar, both in the 3-year and 4-year harvest cycle. The study found that although the choice of SRWC species used as a source of polysaccharides must take into account the percentage content in biomass, species and soil enrichment methods must also be chosen to ensure high biomass yield per unit area because differences in the potential yield of individual polysaccharides per 1 ha in some cases exceeded 1000%. (C) 2015 Elsevier B.V. All rights reserved.
机译：木质纤维素生物质可以用作综合性生物精炼厂的底物，包括第二代生物燃料的生产。因此，本研究根据土壤富集方法（木质素，矿物肥料，菌根接种和控制-不富集）以及收获周期（三年和四年）来分析柳树，杨树和刺槐生物量的化学成分），作为第二代生物乙醇生产中的潜在原料。在3年的收获周期中，从对照地块获得的柳树生物量中发现了实验中纤维素的最高含量。尽管无论其收获周期如何，杨树生物量中纤维素的含量都是相似的，但比杨柳生物量中的纤维素平均低5％。此外，三年周期收获的刺槐生物量中纤维素的平均含量最低。在所研究的物种中，无论是在3年还是4年的收获周期中，木质素含量最高的都是杨树生物量。研究发现，尽管选择SRWC物种作为多糖来源必须考虑到生物质中的百分比含量，但也必须选择物种和土壤富集方法以确保每单位面积的高生物质产量，因为潜在的产量差异。在某些情况下，每1公顷中的单个多糖含量超过1000％。 （C）2015 Elsevier B.V.保留所有权利。

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