化工学报2023，Vol.74Issue(11)：4367-4382,16.DOI:10.11949/0438-1157.20230941
木质素催化氧化过程中典型化学键断键研究
Study of typical chemical cleavage during catalytic oxidation of lignin
摘要
Abstract
Lignin is the most abundant renewable aromatic resource in nature and the basic aromatic units are linked by C—O and C—C bonds.Oxidative depolymerization can significantly reduce the chemical bond energy,and is particularly effective in cleavage of C—C bonds in the lignin structure,and generates highly functionalized high-value products such as aromatic aldehydes,acids and ketones.According to the cleavage of different bonds,the desired products can be prepared in a directional way,such as the cleavage of Cβ—O bond is easy to produce phenols and ketones,the cleavage of Cα—Cβ bond is easy to produce aromatic aldehydes and carboxylic acid products,and the cleavage of Cα—Cary bond can effectively remove side chain alkyls.The article reviews the current state of research on the above three types of chemical bonds,focusing on the perspective of bond-breaking pathways,and also describes the research on catalysts for various types of chemical bond-breaking as well as progress in the oxidative depolymerization of real lignin.On this basis,the future research direction of lignin oxygen decomposition polymerization is prospected to realize the high-grade transformation of lignin.关键词
生物质/木质素/氧化/断键类型/催化剂Key words
biomass/lignin/oxidation/bond cleavage type/catalyst分类
能源科技引用本文复制引用
陈浩楠,胡晓虹,马隆龙,张琦..木质素催化氧化过程中典型化学键断键研究[J].化工学报,2023,74(11):4367-4382,16.基金项目
国家重点研发计划项目(2022YFE0207200) （2022YFE0207200）
国家自然科学基金项目(52236010,52306233) （52236010,52306233）
