准备和表现的铁丰富的石-尾状基热储陶的热储陶
Qi Wang1, Minghao Fang1, Xin Min1
1Engineering Research Center of Ministry of Education for Geological Carbon Storage and Low Carbon Utilization of Resources, Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences, Beijing 100083, China.
Materials (Basel, Switzerland)
|November 14, 2023
概括
本研究介绍了一种低成本的方法,使用石尾矿和氧化铁 (Fe2O3) 来制造高性能热储陶. 优化的陶具有增强的热储能和机械强度,适合工业应用.
科学领域:
- 材料科学 材料科学 材料科学
- 陶工程 陶工程
- 废弃物价值化 废弃物价值化 废弃物价值化
背景情况:
- 石尾矿面临着一个重要的废物管理挑战.
- 越来越需要高效的热能储能解决方案.
- 来自工业副产品的陶提供了可持续的材料替代品.
研究的目的:
- 从石废弃物中开发富含铁元素的热储陶.
- 提高这些陶的特定热容量和物理性能.
- 探索低温,低成本的陶制备方法.
主要方法:
- 将不同质量分数的Fe2O3粉末纳入石尾矿和勒皮多利特混合物 (比率7: 3).
- 在1000°C下将陶样品烧结2小时.
- 评估散装密度,压力强度和特定热容量.
主要成果:
- 通过添加15%重量%的Fe2O3,可以获得最佳的陶性能.
- 优化的陶达到 2.53 g/cm3 的散密度,120.81 MPa 的压力强度和 1.06 J/g·K 的特定热量容量.
- 在1000°C下2小时烧结,产生了优异的结果.
结论:
- 石尾矿可以有效地用于生产高性能热储陶.
- 添加Fe2O3显著改善了这些陶的热和机械性能.
- 该方法为先进的热储材料的低成本,低温制备提供了一种实用的方法.
关键词:
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