Research status and prospects of thermal conversion clean utilization technology for organic solid waste under the carbon-neutral vision
With the escalation of worldwide climate change and the pressing issues surrounding energy and the environment,achieving car-bon neutrality has emerged as a crucial objective for nations striving for sustainable development.Intensifying research efforts have centered on the resource-based clean utilization technology of organic solid waste,recognized as a current focal point in research.Through the ap-plication of heat treatment conversion technology,it is possible to achieve efficient conversion and comprehensive utilization of organic sol-id waste,making significant contributions to the establishment of a carbon-neutral society.In this context,this article reviews the research progress of thermochemical conversion of organic solid waste,including the utilization of agricultural and forestry biomass for energy,mu-nicipal sludge treatment and disposal,as well as the clean utilization technology for municipal solid waste and summarized the domestic and foreign research progress and application status of combustion,pyrolysis,gasification,and hydrothermal thermochemical conversion technology.The technologies of biomass and municipal solid waste incineration for power generation,integrated pyrolysis gasification for multiple products,co-incineration,and pyrolysis carbonization of sludge were mainly discussed.Through the in-depth analysis of the current research and application status of organic solid waste treatment and disposal,feasible high-value resource utilization technolo-gies were discussed,and the development direction of organic solid waste heat conversion was proposed.Furthermore,relevant policy doc-uments on the treatment and disposal of organic solid waste in China were outlined,and the environmental emission reduction benefits of organic solid waste heat conversion utilization were summarized.Suggestions for commercial models of organic solid waste heat conversion in China were proposed,aiming to provide a reference for promoting the harmless,high-value,resourceful clean utilization and industrial application of organic solid waste in urban and rural areas in China.
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