EFFECT OF RAW MATERIAL QUALITY ON THE PRODUCTS OF AN ORGANOSOLV BASED BIOREFINERY
Within the last years a biorefinery process based on ethanol-water pulping of hardwoods was developed in Germany and is currently transferred into a pilot plant. This process should establish a complete utilization of the wood components: cellulose, hemicelluloses, lignin and extractives. In order to reduce the raw material competition to other industries low quality wood resources like forest residues should be utilized as a raw material. The effect of bark on the overall process is of great importance since debarking of forest residues is not economically feasible. The effect of these parameters is investigated for the complete process chain. This includes the delignification, the characteristics of the fibre fraction and the by-products obtained. The results indicate that for pulping of beech wood bark does not affect the pulping process and the subsequent enzymatic saccharification of the fiber fraction. The quality of organosolv lignin is only slightly affected by the bark while most of its components end up in the hydrolysis lignin obtained as a residue after enzymatic saccharification of the fibre fraction.
organosolv pulping bark enzymatic hydrolysis organosolv lignin hydrolysis lignin
B. Saake M. Mende A. Schreiber B.Ziegler R. Lehnen J. Puls
Chemical Wood Technology, University Hamburg,21031, Hamburg, Germany Institute of Wood Technology and Wood Biology, vTI,21031, Hamburg, Germany
国际会议
16th International Symposium on Wood,Fiber and Pulping Chemistry(第十六届木材、纤维及制浆化学国际会议)
天津
英文
809-812
2011-06-08（万方平台首次上网日期，不代表论文的发表时间）