铁生产废物 (精炼废渣) 和其碳化产品的环境特征
O Sariyev1, B Kelamanov1, M Dossekenov1
1NPJSC "K. Zhubanov Aktobe Regional University", Aktobe, Kazakhstan.
Heliyon
|May 17, 2024
概括
这项研究探讨了使用铁渣用于二氧化碳吸收和建筑材料. 自炉碳化有效地将废渣转化为有价值的产品,捕获大量的二氧化碳.
科学领域:
- 材料科学 材料科学 材料科学
- 环境工程 环境工程
- 化学工程是化学工程的重要组成部分.
背景情况:
- 铁生产产生自分解的废渣,这给废物处理带来了挑战.
- 工业废物废渣的利用对于可持续发展和资源管理至关重要.
研究的目的:
- 为了研究在二氧化碳环境下铁渣的自闭柜碳化.
- 评估这些碳化渣作为二氧化碳吸收剂和建筑材料的潜力.
主要方法:
- 在不同条件下对渣渣碳化的实验室研究.
- 使用XRD,DTA,DTG和XRF对初始渣和碳化产品进行化学和矿物学分析.
- 在强制碳化过程中对样本内碳酸盐形成的研究.
主要成果:
- 在废渣和产品中识别的主要矿物阶段包括二酸盐,蒙蒂切莱特,危酸盐,酸盐和酸盐.
- 碳酸仅在人工碳化的样本中检测到.
- 在碳化过程中增加的二氧化碳压力导致所有层中结合碳的比例增加.
- 碳化过程中二氧化碳的吸收达到了初始渣渣质量的20%.
结论:
- 自分解的铁渣可以通过自闭体碳化有效地利用.
- 该过程允许同时封存二氧化碳和生产可行的建筑材料.
- 这种方法为工业废物管理和减轻碳排放提供了可持续的解决方案.
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