Coal gangue and fly ash are the associated solid wastes in the process of coal power production,with low utilization rate and large yield.Improper treatment will cause serious pollution to the atmosphere environment and surrounding ecology.The policy,management and disposal status of ecological backfill of coal gangue and fly ash are analyzed.Based on the characteristics of coal gangue and fly ash,the feasibility research idea of mixed ecological backfill of coal gangue and fly ash is put forward,in order to provide reference for practical engineering and environmental management.
coal ganguefly ashmixed ecological backfillresearch idea