环保建筑材料:在未燃烧的中固定
Imdadul Haque1, Gorungo Ray1, Tanvir Ahmed1
1Institute of Glass and Ceramic Research and Testing (IGCRT), Bangladesh Council of Scientific and Industrial Research (BCSIR), Dr. Qudrat-I-Khuda Road, Dhanmondi, Dhaka, 1205, Bangladesh.
Environmental science and pollution research international
|January 22, 2026
概括
皮革废弃物和大米灰可用于制造可持续的非燃烧. 这项研究证明了有效的固定,满足建筑标准并支持循环经济原则.
科学领域:
- 材料科学与工程 材料科学与工程
- 环境科学 环境科学
- 化学工程是化学工程的重要组成部分.
背景情况:
- 皮革行业产生大量含的固体废物.
- 这些废物的不适当处置会导致严重的环境污染.
- 从废物中开发可持续的建筑材料对于环境修复至关重要.
研究的目的:
- 为了研究在非烧中使用皮革剃须和磨砂粉与大米灰 (RHA) 和河沙的可行性.
- 评估这些新的物理化学,机械和环境性能.
- 通过提升危险皮革废物的价值来促进循环经济原则.
主要方法:
- 通过用皮革粉尘和RHA (0-20%重量) 部分替代粘土,以及有或没有水泥,制造非燃烧.
- 使用FT-IR,XRD,WD-XRF,TGA/DTG和XPS进行全面的表征.
- 泄漏试验用于评估固定性和环境安全性.
主要成果:
- 最佳的组成 (10%皮革粉尘/RHA,加济浦土,15%水泥) 在28天内达到20.03MPa的压力强度,符合ASTM/BDS标准.
- XPS分析证实以稳定的Cr3+存在,并且有效地被封装在基质中.
- 泄漏明显低于允许限度,尽管时间依赖的增加,但证明了有效的固定.
结论:
- 基于皮革废弃物的块为传统建筑材料提供了一种可持续且具有成本效益的替代方案.
- 该方法有效地将危险的皮革废物转化为增值建筑产品.
- 对于工业规模的应用存在重大潜力,有助于环保建筑和废物管理.
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