基于苏打石灰和花岩污泥废弃物的考林陶的阶段演变和属性发展
S E Abo Sawan1, R M Khattab1, Momen M Ali2
1Refractories, Ceramics and Building Materials Department, National Research Centre (NRC), El-Buhouth St., Dokki, Cairo, 12622, Egypt.
Scientific reports
|December 10, 2025
概括
这项研究探讨了在陶中使用苏打石灰 (SLS) 玻璃和花岩污泥 (GS) 废物. SLS废物增强电气性能,而GS废物增加孔隙性,但增强压力强度.
科学领域:
- 材料科学 材料科学 材料科学
- 陶工程 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:
- 工业废物,如苏打石灰 (SLS) 玻璃和花岩污泥 (GS),带来了环境挑战.
- 开发可持续的陶生产方法对于减少工业废物和资源枯竭至关重要.
- 研究将这些废物作为环保原材料的使用,可能会导致新的陶应用.
研究的目的:
- 评估将SLS和GS废物纳入酸盐基陶对酸盐基陶物理机械和电气性能的影响.
- 了解废物含量,烧结温度和由此产生的陶特性之间的关系.
- 为了确定最佳的废物材料和特定陶性质的含量.
主要方法:
- 使用X射线光 (XRF) 进行原材料 (SLS和GS) 的表征.
- 通过将不同百分比 (10-30重量%) 的SLS或GS添加到高粉中来制备陶样品.
- 在900°C,1000°C和1100°C下烧结样品,然后对微观结构 (SEM),相组合 (XRD),孔隙性,密度,压力强度和电气/介电性质进行分析.
主要成果:
- 加上花岩污泥 (GS) 显著增加了表面多孔性,在30 wt%和1100 °C时达到16.26%,而石灰 (SLS) 废物则为6.50%.
- 最大压力强度为180 MPa,在1100 °C时增加了10%的重量%的GS.
- 石灰 (SLS) 废物添加增强了电气和介电性质,由于改善了离子运动性.
结论:
- 在陶生产中,SLS和GS废弃物都可以用作环保原料,提供明显的性能增强.
- GS废物适用于需要更高孔隙度和压力强度的应用.
- 对于陶而言,SLS废物是有利的,因为需要更高的电气和介电性能.
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