在油性泥的高速处理过程中,石油发生状态和属性的变化
Yuwei Bao1, Yimin Zhu1,2, Yang Liu1
1College of Environmental Science and Engineering, Dalian Maritime University, Dalian 116026, China.
Toxics
|October 25, 2024
概括
高速 (HSS) 通过降低油度,有效地去除油性污泥 (OS). 鉴定油状态对于选择有效的OS处理方法至关重要,因为HSS显示了广泛的适用性,但优先去除更轻的油成分.
科学领域:
- 环境科学 环境科学
- 废物管理 废物管理
- 石油地质化学 石油地质化学
背景情况:
- 油性污泥 (OS) 是一种具有处理挑战的危险废物.
- 错误的OS处置会给环境和健康带来风险.
- 石油发生状态的有限表征阻碍了有效的处理方法选择.
研究的目的:
- 在高速 (HSS) 处理之前和之后,在OS中描述油的发生状态和成分.
- 评估HSS在OS修复方面的有效性和选择性.
- 了解处理过程中油性质的动态变化.
主要方法:
- 与焦点相同的激光扫描显微镜 (CLSM) 用于油分流.
- 用于矿物学分析的X射线衍射 (XRD).
- 气相色谱 (GC) 和SARA分析油成分.
- 总石油碳化合物 (TPH) 分析用于量化.
主要成果:
- HSS处理显著降低了OS中的油度 (从32.98%降至1.65%).
- 处理后油成分保持相似,表明HSS的广泛适用性.
- 较轻的油成分被优先去除,而较重的成分由于粘土矿物质吸附而被保留.
结论:
- 描述油的发生状态和成分对于选择适当的OS处理方法至关重要.
- 对于OS脱油,HSS是有效的,优先去除较轻的部分.
- 了解油泥相互作用,如吸附,是优化补救策略的关键.
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