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首页> 外文期刊>Bioresource Technology: Biomass, Bioenergy, Biowastes, Conversion Technologies, Biotransformations, Production Technologies >Optimization of clean fractionation processing as a pre-treatment technology for prairie cordgrass
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Optimization of clean fractionation processing as a pre-treatment technology for prairie cordgrass

机译：优化清洁分级分离工艺作为草原草的预处理技术

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The main objective of this study was to fractionate prairie cordgrass (PCG) obtaining the highest cellulose digestibility. Following clean fractionation (CF) processing, the PCG lignocellulosic biomass was fractionated into three main building blocks: cellulose, hemicellulose and lignin. Effects of processing factors such as time, temperature, catalyst concentration and organic solvent mixture composition were evaluated. Organic solvent-aqueous mixture contained methyl isobutyl ketone (MIBK), ethanol and water in different proportions. Sulfuric acid was used as a catalyst. In order to evaluate the degree of pre-treatment, enzymatic saccharification was employed on the cellulose fraction obtained from the CF process. Response surface methodology was used for process optimization and statistical analysis. Optimal conditions (39. min, 154 °C, 0.69% catalyst and 9% MIBK) resulted in 84% glucose yield and 87% acid insoluble lignin (AIL).
机译：这项研究的主要目的是分级分离草原草（PCG），以获得最高的纤维素消化率。经过清洁分级分离（CF）处理后，PCG木质纤维素生物质被分级为三个主要组成部分：纤维素，半纤维素和木质素。评估了诸如时间，温度，催化剂浓度和有机溶剂混合物组成等工艺因素的影响。有机溶剂-水混合物包含不同比例的甲基异丁基酮（MIBK），乙醇和水。硫酸用作催化剂。为了评估预处理的程度，对从CF工艺获得的纤维素级分进行了酶促糖化。响应面方法用于流程优化和统计分析。最佳条件（39分钟，154°C，0.69％催化剂和9％MIBK）导致84％的葡萄糖产率和87％的酸不溶性木质素（AIL）。

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