The Biomass Energy Group of the Xishuangbanna Tropical Botanical Garden of the Chinese Academy of Sciences in a joint study with Tohoku University in Japan and the University of Saskatchewan in Canada found that when phenol is added, lignin can be completely dissolved in high-pressure hot water. The researchers explained that this is because high-pressure hot water can promote the hydrolysis of lignin to phenol oil, and the addition of phenol can prevent the re-polymerization of the hydrolyzed phenol oil.
In published research papers, researchers have clarified the path and mechanism of lignin degradation reactions under high pressure hot water conditions. According to this reaction path, lignin can be completely degraded into phenol oil and can be further processed into bioplastics, chemicals and biofuels.
Lignin is a polymer composed of phenols and has long been considered as the most stable and most difficult to degrade by biological and thermal conversion methods. Fiber alcohol and waste from paper mills contain a lot of lignin. This study is of great significance for the recycling of lignin.
In published research papers, researchers have clarified the path and mechanism of lignin degradation reactions under high pressure hot water conditions. According to this reaction path, lignin can be completely degraded into phenol oil and can be further processed into bioplastics, chemicals and biofuels.
Lignin is a polymer composed of phenols and has long been considered as the most stable and most difficult to degrade by biological and thermal conversion methods. Fiber alcohol and waste from paper mills contain a lot of lignin. This study is of great significance for the recycling of lignin.
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