Preliminary evaluation of liquefaction behavior of Eucalyptus grandis bark in glycerol  

作　　者：Xingyan Huang Feng Li Jiulong Xie Cornelis F.De Hoop Xiaopeng Peng Jinqiu Qi Yuzhu Chen Hui Xiao 

机构地区：[1]College of Forestry,Sichuan Agricultural University,Chengdu 611130,Sichuan,People’s Republic of China [2]Louisiana Forest Products Development Center,School of Renewable Natural Resources,Louisiana State University Agricultural Center,Baton Rouge,LA 70803,USA [3]State Key Laboratory of Tree Genetics and Breeding,Chinese Academy of Forestry,Beijing 100091,People’s Republic of China

出　　处：《Journal of Forestry Research》2020年第2期687-691,共5页林业研究（英文版）

基　　金：This work was partially supported by the Fundamental Research Funds for the Central Non-profit Research Institution of CAF(TGB2016001);the Key Laboratory of Wood Industry and Furniture Engineering of Sichuan Provincial Colleges and Universities;the National Natural Science Foundation of China(31700578).

摘　　要：Eucalyptus grandis W.Hill ex Maiden bark was liquefied in glycerol with two types of catalysts.The chemical components of the residues with respect to temperature were examined to investigate the liquefaction behavior of bark.The results reveal that sulfuric acid was more efficient in converting bark into fragments in glycerol at low temperatures B 433.15 K,equivalent to 160C than phosphoric acid.The liquefaction order of chemical components was lignin,hemicelluloses,and cellulose.The decrease of liquefaction yields at high temperatures(≤453.15 K)catalyzed by sulfuric acid was possibly a result of the recondensation of lignin and/or hemicelluloses.

关 键 词：Chemical components Eucalyptus grandis bark LIQUEFACTION Liquefied residue 

分 类 号：TQ352.2[化学工程]