再生骨料的经济与环境效益综合分析

Comprehensive Analysis of the Economic and Environmental Benefits of Recycled Aggregate

摘要: 本文基于对2024年砂石行业报告、建筑垃圾污染防治数据及国家统计局数据的多维交叉分析，构建了再生骨料经济与环境效益的综合评估框架。研究表明，在天然骨料市场供需失衡、价格下行的背景下，再生骨料凭借其原料成本优势和环境效益，对天然骨料需求的理论替代潜力可达13.5%。若全面推广，每年可减少填埋占用7.6亿吨，节约资源价值124.8亿元，并实现约115万吨二氧化碳的碳减排潜力。区域分析表明，广东、浙江等“高环境压力–高经济动力”地区应优先布局再生骨料产业。研究成果为推进建筑垃圾资源化利用和循环经济发展提供了理论依据和政策建议。

Abstract: This paper based on a multidimensional cross-analysis of the 2024 sand and gravel industry report, construction waste pollution prevention data, and National Bureau of Statistics data, establishes a comprehensive assessment framework for the economic and environmental benefits of recycled aggregates. The study shows that against the backdrop of imbalanced supply and demand and declining prices in the natural aggregate market, recycled aggregates, due to their raw material cost advantage and environmental benefits, have a theoretical substitution potential of up to 13.5% for natural aggregates. If fully promoted, this could annually reduce landfill use by 760 million tons, save 12.48 billion yuan in resource value, and achieve a carbon reduction potential of approximately 1.15 million tons of CO₂. Regional analysis indicates that areas with “high environmental pressure-high economic drive”, such as Guangdong and Zhejiang, should prioritize the development of the recycled aggregate industry. The research findings provide a theoretical basis and policy recommendations for advancing the resource utilization of construction waste and the development of a circular economy.