烟气碳化再生骨料的研究进展

郑 乔辉1, 左 兴杰1, 李 玉茹1, 周 凤洁1, 王 鹏皓1, 杨 洋2
1、重庆科技大学
2、中冶赛迪集团有限公司

摘要


烟气碳化技术利用工业废气中的CO2与再生骨料中水泥水化产物发生碳化反应，生成碳酸钙填充孔隙，可有效改善再生骨料的物理力学性能。本文系统综述了该技术的研究进展，阐述了碳化反应机理，分析了碳化对再生骨料物理性能和力学性能的改善效果，探讨了CO2浓度、压力、温度、时间等工艺参数的影响规律，总结了碳化再生骨料混凝土的性能研究成果，最后指出了存在的问题并展望未来方向。

关键词


再生骨料；烟气碳化；CO2矿化；混凝土；碳化工艺；性能改善

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参考


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