Against the backdrop of increasing global attention to carbon emissions in the construction industry, this review summarizes the research progress of geopolymer recycled concrete (GPRC), with a focus on its potential as a low‐carbon and environmentally friendly building material. The chemical reaction mechanisms and raw material sources of geopolymer materials are first analyzed, followed by an explanation of the compatibility and performance compensation mechanisms of recycled aggregates (RAs) within the geopolymer matrix. The review then discusses various treatment methods—such as carbonation, silica sol, and nanocoating treatments—for improving the properties of RAs and analyzes the effects of RA content on the mechanical properties and durability of GPRC. Furthermore, the carbon sequestration potential of GPRC under multiple carbon fixation technologies (e.g., natural carbonation, accelerated carbonation, biomineralization, and mineral carbonation) is evaluated, revealing optimal strategies for achieving both structural performance and carbon storage. Studies indicate that the incorporation of appropriately treated RAs, in combination with a rational ratio of alkali activators and carbonation curing conditions, can significantly enhance the mechanical strength, durability, and carbon sequestration capacity of GPRC. These findings provide theoretical foundations and technical support for the development and engineering application of low‐carbon building materials.
Yun et al. (Thu,) studied this question.