Research Progress on Comprehensive Utilization of Fly Ash
The comprehensive utilization of fly ash,the main solid waste generated from coal-fired power plants,has become an important topic in fields such as energy,environmental protection,and materials science.In recent years,significant progress has been made in the application of fly ash in various fields.Not only has it addressed the environmental issues caused by its accumulation,but it has also been transformed into valuable resources,providing raw materials support for industrial production and urban construction.However,challenges and problems still exist in the comprehensive utilization of fly ash.In order to better promote the resource utilization and sustainable development of fly ash,this article reviews the latest research progress in the comprehensive utilization of fly ash in environmental protection,material preparation,agricultural applications,and chemical engineering.It also analyzes the existing problems and challenges,and discusses future development directions.