Abstract
木质素是自然界中可再生芳香族聚合物，可替代苯酚用于高附加值化加工。此外，石油和天然气等化石资源面临着日渐枯竭的严重形势。木质素作为部分替代化石原料展现出良好的应用前景。要实现木质素的利用，必须首先充分了解木质素的组成与结构特征。本文以木质素的化学组成为出发点，分析比较了木质素的分离提取、应用等方法与技术，重点阐述了木质素结构研究最新进展，展望了木质素应用的发展方向。 Lignin is a renewable aromatic polymer in nature, and it can be used in the process of high added value. In addition, the oil and natural gas are facing the serious situation of increasingly exhausted. Lignin as a part of alternative fossil raw materials shows a good application prospect. In order to realize the use of lignin, firstly, we must understand the composition and structure of lignin. Stating from the chemical composition of lignin, this paper analyzed and compared some methods and techniques for separation as well as extraction, and application of lignin extraction, focused on the latest progress in the structure of lignin, and forecasted the development direction of lignin ap-plication.
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