木质素
降级(电信)
催化作用
化学
锰
电化学
阳极
阴极
有机化学
化学工程
电极
电信
物理化学
工程类
计算机科学
作者
Xiuyuan Ma,Jiayue Ma,Mengzhu Li,Yongqi Gu,Henan Wang
标识
DOI:10.1016/j.polymdegradstab.2022.110091
摘要
Effective degradation of lignin and further production of small-molecule aromatic chemicals are of great importance in sustainable chemistry. In this experiment, lignin was efficiently oxidatively degraded under mild conditions using inexpensive manganese dioxide rather than a precious metal catalyst, with a lignin degradation efficiency of 66%. A double electrolytic cell system was then used to achieve the recycling of manganese dioxide at the anode while producing hydrogen at the cathode. GC-MC analysis showed that the lignin was degraded to chemicals containing small aromatic molecules such as benzoic acid and benzyl acetate. This experiment provides a new pathway for the cyclic degradation of lignin.
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