准备和性能研究 灰和红色泥的多孔隔热耐火材料
Jiayi Zhong1, Zichao Li2, Weiyuan Li3
1Shandong Key Laboratory of Functional-Structural Integrated Ceramics, Discipline and Technology Center for High Temperature Functional Ceramics, College of Materials Science and Engineering, Shandong University of Technology, Zibo 255049, China.
灰和红泥被转化为可持续的多孔耐火材料. 这种资源回收减少了环境影响,同时创造了有价值的隔热产品.
科学领域:
- 材料科学 材料科学 材料科学
- 环境工程 环境工程
- 废物管理 废物管理
背景情况:
- 越来越多的灰和红色泥的环境积累需要高价值的利用策略.
- 开发可持续的回收工业副产品的方法对于节约资源和减少污染至关重要.
研究的目的:
- 研究将灰和红泥转化为多孔耐火材料的过程.
- 评估合成材料的绝热性能和稳定性.
- 为了优化资源回收的组成和处理参数.
主要方法:
- 使用X射线衍射 (XRD) 和扫描电子显微镜与能量分散光谱 (SEM/EDS) 进行废物材料的表征.
- 通过视觉炉测试评估高温行为.
- 用不同的灰-红色泥比率和表面活性剂的泥的风湿学分析.
- 泡和烧结工艺生产多孔耐火材料.
主要成果:
- 一种由40%的红泥和30%的灰组成的泥组成,证明了泡生长的最佳风湿性质.
- 优化的材料 (在80°C时用2%的H2O2发泡,在1250°C时烧结) 实现了58.55%的孔隙性,1.03MPa的压力强度和0.19W/m·K的导热率.
- 合成的多孔耐火材料在高达1100°C的温度下表现出极好的稳定性.
结论:
- 灰和红泥可以有效地作为补充组件用于生产高性能多孔耐火材料.
- 开发的方法提供了一种可持续的废物利用方法,减少环境负担并增加经济价值.
- 由此产生的材料显示出在隔热中实际应用的巨大潜力.
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