On November 28th, Beijing time, the research team of Shanghai Jiaotong University published a research paper entitled "A coenzyme-free biocatalyst for the value-added utilization of lignin-derived aromatics" in the form of a cover paper in the Journal of the American Chemical Society. , Proposed a new green technology for high-value utilization of lignin. This is after the team published an important result of the temperature-oriented high-value biotransformation of lignin derivatives in the German Journal of Applied Chemistry (Angew. Another important breakthrough made.
The high-value utilization of agricultural wastes can effectively couple the alternative production of petrochemicals with environmental sustainability. The lignin in agricultural waste is usually used for combustion to generate heat and is accompanied by a large amount of environmental pollution. Therefore, the development of green processes for the high-value conversion of lignin is crucial to the development of biorefinery. This study developed a new coenzyme-independent novel phenolic acid decarboxylase and aromatic phenol dioxygenase biocatalyst, combined with the second-generation technology proposed in this study-temperature / pH-oriented strategy, so that the main lignin hydrolysis monomer Converted to 13.3 g / L vanillin and 20.5 g / L 4-vinylphenol. The research results will provide a new green production technology to improve the overall efficiency and economy of agricultural waste biorefinery.
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