Advancements and obstacles in the production of nitrogen-containing bio-based chemicals from chitin biomass
The energy security and environmental pollution issues brought about by the exploitation and utilization of large amounts of fossil resources have attracted widespread attention.The exploitation of renewable resources and the advancement of renewable energy and green chemicals are pivotal aspects of sustainable development.Biomass stands as the sole sustainable carbon resource,with its conversion and utilization representing a crucial pathway towards accomplishing the dual carbon goals.Chitin,being the second largest biomass,constitutes the sole nitrogen-containing polysaccharide.Hence,the process of converting chitin for the preparation of nitrogen-containing chemicals holds distinctive theoretical and practical significance.Remarkable strides have been made in recent years with regards to chitin conversion for the production of nitrogen-containing chemicals.This article primarily delves into the nitrogen-containing structural features of chitin,outlining the most recent research progress in chitin hydrolysis for the generation of oligomers and monosaccharide N-acetylglucosamine,the transformation of chitin and monosaccharides for the production of furan compounds,hybrid nitrogen-containing chemicals,and other nitrogen-containing chemicals.Particularly,the advancements and principles of catalytic conversion of chitin and monomers for the preparation of 3-acetylamino-5-acetylfuran are summarized.In addressing these advancements,the article also presents the existing issues and challenges,while offering a glimpse of the research direction in this field,in an effort to advance the high-quality development of chitin catalytic conversion for the preparation of nitrogen-containing chemicals and to aid in achieving the dual carbon goals.
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