Study on the Solidification/Stabilization of MSWI Fly Ash by Composite Alkali-Activated Cementitious Materials.

Municipal solid waste incineration (MSWI) fly ash (FA) is a hazardous waste produced during the incineration of municipal solid waste, posing a risk of heavy metal leaching and threatening the environment. Therefore, the harmless treatment of MSWI FA has become a crucial issue in environmental safety treatment. This study utilized blast furnace slag, FA, and MSWI FA to prepare composite alkali-activated cementitious materials for the solidification and stabilization of heavy metals in MSWI FA.