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陶中有机成分和重金属的演变来自石油泥的陶

Yaran Cao¹, Weitao Tang¹, Yu Li^1,2

¹State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, Beijing 100083, China.

|September 22, 2025

概括

这项研究将油污泥 (OS) 转化为耐用陶材料. 研究表明,将OS纳入陶有效地固定重金属,降低烧结温度,提供可持续的废物管理解决方案.

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:

石油污泥 (OS) 是一个重要的工业副产品,由于其惰性和危险成分,其电流利用率有限.
开发绿色和大规模的OS再利用方法对于石油行业至关重要,该行业每年产生超过3亿的石油.

研究的目的:

研究将油污泥 (OS),油污泥热解残留物 (OSPR) 和油污泥焚烧飞灰 (OSIFA) 转化为陶材料的可行性.
在陶烧结过程中分析有机成分和重金属的行为.
为了优化陶的性能,用于实际应用.

主要方法:

使用不同比例的OS,OSPR和OSIFA进行陶制备.
通过X射线衍射 (XRD),SEM-EDS,TG-FTIR和GC-MS进行表征.
热力学分析,物理性能测试和重金属漏评估.

主要成果:

增加OS含量降低了初始密集温度,并扩大了烧结范围.
有机成分在200-400°C之间分解成CO2和H2O.
(Ba) 作为BaSO4保持稳定,确保在密集的陶结构中有效固定.
最佳性能是通过60%重量OS,20%重量OSPR和20%重量OSIFA实现的,其60°C烧结范围,0.4%的吸水率和37.22MPa的曲强度在1150°C,具有合格的重金属水.

结论:

石油污泥可以有效地作为生产功能陶材料的原材料.
烧结过程成功地将重金属,特别是Ba,凝结在陶基质中.
这种方法为基于石油的固体废物的可持续管理和利用提供了一个有希望的途径.

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