Preparation method and application of building product of alkali-activated solid waste consolidated carbon dioxide: Fid-Bau Portal

Preparation method and application of building product of alkali-activated solid waste consolidated carbon dioxide

LU HAO / LIU HUACHEN / ZHENG CHUANXIAO / ZHAO WENJUN

The invention relates to the technical field of building products prepared from solid waste, and discloses a preparation method of a building product of alkali-activated solid waste consolidated carbon dioxide, and the preparation method comprises the following steps: step 1, mixing fly ash as a main raw material with steel slag to prepare a mixture; 2, adding an alkaline activator into the mixture obtained in the step 1, and mixing to obtain slurry; 3, putting the slurry obtained in the step 2 into a mold, and pressing to form a green body; and 4, carbonizing the molded green body obtained in the step 3 to obtain the building product. The preparation method of the building product with alkali-activated solid waste consolidated carbon dioxide has the advantages of high carbon sequestration efficiency, short carbon sequestration time, low energy consumption and high compressive strength of the product.

本发明涉及固废制备建筑制品技术领域，且公开了碱激发固废固结二氧化碳的建筑制品的制备方法，包括如下步骤：步骤一：将粉煤灰作为主要原料与钢渣混合制成混合物；步骤二：在步骤一得到的混合物中加入碱性激发剂混合得到浆料；步骤三：将步骤二得到的浆料置入模具中，压制成型坯体；步骤四：将步骤三得到的成型坯体经碳化后得到所述建筑制品。该碱激发固废固结二氧化碳的建筑制品的制备方法，具备固碳效率高、固碳时间短、能耗低和产品抗压强度高的优点。

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