PDF(Pubmed)
Abstract：
Teff (Eragrostis tef) is a staple crop and holds the biggest share of grains cultivated area in Ethiopia, consequently, a large quantity of Teff straw is produced. The Teff straw was pretreated for the first time with Chromium-based Metal-Organic Framework, MIL-101(Cr), assisted hydrothermal method at temperatures ranging from 160 to 240 °C for 1/2, 1, or 2 h time independently. With an increase of pretreatment severity, the yield of total reducing sugar (TRS) was increased until reaching maximum (185 mg g-1). The identified optimum hydrothermal pretreatment condition, (180 °C and 1 h), had a feature of higher TRS yield and lower furfural concentration. The morphological analysis showed that treated Teff straw had degraded structure, higher surface area, and distorted bundles than native Teff straws. This study insight into MOFs\' application in lignocellulose biomass processing, and optimizing the pretreatment condition of Teff straw biomass.
摘要：
Teff（Eragrostistef）是主要作物，在埃塞俄比亚拥有最大的谷物种植面积，因此,产生了大量的Teff秸秆。Teff秸秆首次用铬基金属有机骨架进行预处理,MIL-101(Cr),辅助水热法在160至240°C的温度下独立进行1/2、1或2小时的时间。随着预处理严重程度的增加，总还原糖（TRS）的产量增加，直到达到最大值（185mgg-1）。确定的最佳水热预处理条件，（180°C和1小时），具有较高的TRS产率和较低的糠醛浓度的特征。形态分析表明，处理过的Teff秸秆具有降解的结构，更高的表面积，比原生Teff吸管扭曲的束。本研究深入了解MOFs在木质纤维素生物质加工中的应用，并优化了Teff秸秆生物质的预处理条件。
