The effect of hemicellulose on the interparticle frictional behavior of lignocellulosic biomass particulates

作     者：Ekramul Haque Ehite Eric Drumm Nourredine Abdoulmoumine Ekramul Haque Ehite;Eric Drumm;Nourredine Abdoulmoumine

作者机构：Biosystems Engineering and Soil Science DepartmentUniversity of TennesseeKnoxvilleTN 37996USA Center for Renewable CarbonUniversity of TennesseeKnoxvilleTN 37996USA 

出 版 物：《Particuology》 (颗粒学报（英文版）)

年 卷 期：2021年第19卷第2期

页      面：16-22页

核心收录：

学科分类：0817[工学-化学工程与技术] 08[工学] 080203[工学-机械设计及理论] 0805[工学-材料科学与工程（可授工学、理学学位）] 0703[理学-化学] 0802[工学-机械工程] 0702[理学-物理学] 

基　　金：The authors would like to acknowledge funding support for this research by UTIA AgResearch through AgResearch Tuition Program 

主　　题：Lignocellulosic biomass Frictional behavior Angle of repose Hot water extraction Switchgrass Hemicellulose removal 

摘      要：Lignocellulosic biomass material sourced from plants and herbaceous sources is considered as a prospective feedstock of inexpensive,potentially carbon-neutral *** biomass is structurally built on cellulose,hemicellulose,and lignin,which are present in varying concentrations based on the feedstock type and play distinct and not well understood mechanical functions in the flow *** frictional characteristics of lignocellulosic biomass particulates influence their flow behavior in ***,it is important to fundamentally investigate the relative contribution of cellulose,hemicellulose,and lignin to the frictional ***,these three biopolymers are interwoven into a complex matrix in the lignocellulosic biomass,thus making it hard to quantify the contribution of each *** this study,we selectively remove hemicellulose from switchgrass and investigate the effects of its diminishing concentration on the coefficient of *** observed that the angle of repose and,therefore,the coefficient of friction for a loose assembly of the control and treated switchgrass samples decrease with decreasing hemicellulose *** indicates the frictional resistance to flow for biomass particulate assemblies is at least proportional to the hemicellulose *** also established that the observed changes in the frictional behavior were not due to particle morphological characteristics.