木材剩余物的木酢液制备及其成分分析

为了解以木材剩余物为原料的木酢液制备特性和木酢液的成分组成，采用电控炭化反应釜进行调制试验，分析了不同材料和调制温度下的生成物组成。并采用GC-MS对木酢液的成分组成进行分析，同定出有机酸、酚、醛、酮、酯等38种有机成分，对主要组成成分进行定量分析。结果表明，采用杉木调制的针叶材木酢液，与采用杨木调制的阔叶材木酢液，其酚类成分的组成含量存在一定的差别，这与原料木素的组成成分有一定的相关性, 通过其特征谱图可以对混合木质来源材料制取的木酢液进行评价和分析。 

Preparation and analysis of wood vinegar with wood residues

Wood vinegar was produced in charcoal furnace with wood residues.The process and product of wood vinegar with different materials and temperatures were supervised to know the characters of preparation process of wood vinegar with wood residues and its composition.The components of gained wood vinegar were analyzed with GC and(GC-MS).Thirty-eight kinds of organic compounds were identified including organic acids,phenols,aldehydes,ketones and esters,etc.The results showed that phenolic composition of wood vinegar from firs was different from that of wood vinegar from poplar,which revealed that the phenolic composition of wood vinegar had some correlations with lignin composition of raw materal.Wood vinegar made with wood residues could be analyzed and evaluated by its special chromatograms.