Preparation process of alkali activated cementitious material for waste incineration bottom ash treatment

(22) 18.02.2022

(43) 18.08.2022

(57) The present invention discloses a preparation process of an alkali activated cementitious material for waste incine-ration bottom ash treatment, including the following steps: S1: performing calcination and defoaming pretreatment on municipal solid waste incineration bottom ash; S2: performing crushing pretreatment on the municipal solid waste incineration bottom ash; S3: performing ball milling pretreatment on the municipal solid waste incineration bottom ash; S4: performing alkali activator solution preparation; S5: performing alkali aging and defoaming pretreatment on the municipal solid waste incineration bottom ash; S6: performing alkali activated cementitious material slurry production; S7: producing an alkali activated cementitious material test piece; and S8: performing steam curing on the alkali activated cementitious material test piece. In the preparation process of the present invention, industrial waste is used as a main raw material to prepare an alkali activated material, which gradually replaces cement materials, thereby reducing the requirements for the cement materials, and not only alleviating the excessive consumption of limestone, clay, and energy in cement production, but also alleviating the problems of high energy consumption and high pollution caused by cement production. In addition, environmental pollution problems caused by a lot of accumulation of industrial solid waste may be gradually eliminated.

(71) Anhui University of Science and Technology (CN)