优化用于砂中干废物衍生生物炭的热解条件:提高机械性能,耐用性和碳封存
Sarmad Rashid1, Arpit Goyal2, A B Danie Roy1
1Civil Engineering Department, Thapar Institute of Engineering and Technology, Patiala, 147004, India.
Journal of environmental management
|February 25, 2026
概括
米的生物炭可以替代砂中的水泥,提高强度和耐久性,同时减少碳排放. 这种可持续的方法有效地解决了建筑垃圾和环境问题.
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:
- 建筑行业是全球碳排放的主要来源,主要是由于水泥生产.
- 燃烧农业草带来了重大的环境挑战.
研究的目的:
- 调查使用大米的生物炭作为砂中部分水泥替代品.
- 优化生物炭生产过程,以提高砂性能和二氧化碳吸收.
主要方法:
- 使用响应表面方法 (RSM) 来优化热解温度,停留时间和生物炭度.
- 评估了机械性能,耐用性,微观结构性质和二氧化碳吸收.
- 热重力测量分析和ANOVA用于评估碳化效率和模型可靠性.
主要成果:
- 在最佳条件下,28天的压力和强度提高了30%以上.
- 水的吸收和空气体积减少了大约19%.
- 碳化效率有所提高,CaCO3含量和CO2吸收分别增加了24.04%和10.59%.
结论:
- 米的生物炭显示出作为可持续的部分水泥替代品的巨大潜力.
- 这种价值化策略减少了对水泥的需求,并减少了农业垃圾.
- 这些发现支持开发低碳建筑材料和实践.
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