竹子生物炭的性能优化和碳减排潜力,用于轻量化人工聚合物
Haibao Liu1, Lingbao Bu1, Yulin Wang1
1School of Hydraulic and Civil Engineering, Ludong University, Yantai 264025, China.
Materials (Basel, Switzerland)
|December 11, 2025
概括
这项研究引入了由生物炭和建筑垃圾制成的新型核心外聚合物. 这些聚合物为可持续建筑材料提供了改进的工程性能和显著的二氧化碳封存潜力.
科学领域:
- 材料科学 材料科学 材料科学
- 环境工程 环境工程
- 可持续建筑 可持续建筑
背景情况:
- 有效利用生物炭和建筑固体废物对于开发可持续建筑材料至关重要.
- 现有的轻质聚合物往往缺乏最佳的工程性能和环境效益.
- 需要新的聚合物设计,以有效地纳入废物.
研究的目的:
- 开发和描述使用生物炭和建筑废弃物的新型核心外人工聚合物.
- 评估这些聚合物的工程性能,包括压碎强度,吸水能力和散装密度.
- 评估这些人工聚合物的固化过程中二氧化碳捕获的潜力.
主要方法:
- 通过封装粗颗粒竹子生物炭与混凝土泥渣废物和碳化渣来制备核心外人工聚合物.
- 将细颗粒竹子生物炭纳入外矩阵.
- 在二氧化碳固化系统下测试工程性能和评估二氧化碳吸收.
主要成果:
- 最佳的工程性能是通过大约6%的细颗粒竹子生物碳含量实现的.
- 性能最好的聚合物表现出4.7MPa的粉碎强度,14.3%的吸水率和796kg/m3的散装密度.
- 含有6%细颗粒竹子生物炭的人工聚合物实现了5.72%的二氧化碳吸收,这是由于增强的二氧化碳运输道.
结论:
- 新型核心外聚合物与商业轻质聚合物相比,具有优越的工程性能.
- 这些聚合物为二氧化碳封存提供了巨大的潜力,为建筑行业的碳中和性做出了贡献.
- 这一创新为建筑材料中生物炭的可持续应用开辟了新的途径,为工程和环境提供了优势.
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