在和石表面上用水性深层环氧溶剂促进增强的石油回收:一项分子动力学研究
Alok Kumar1, Swasti Medha1, Devargya Chakraborty1
1Department of Chemical and Biochemical Engineering, Indian Institute of Technology Patna, Patna, 801106, India. skhan@iitp.ac.in.
Physical chemistry chemical physics : PCCP
|April 17, 2025
概括
深度浸泡溶剂 (DESs) 降低界面张力,以提高石油回收率 (EOR). 分子动力学模拟表明,DES通过改变湿度来改善岩石表面的油分.
科学领域:
- 石油工程是石油工程中的一个.
- 材料科学 材料科学 材料科学
- 物理化学 物理化学
背景情况:
- 增强石油回收 (EOR) 对于满足全球能源需求至关重要.
- 深度浸泡溶剂 (DES) 通过降低水表面张力,显示出EOR的潜力.
- 由于水库条件复杂,了解EOR中的DES机制至关重要.
研究的目的:
- 通过分子动力学 (MD) 模拟,研究DES在EOR中的作用.
- 分析不同类型和度的DES对石油回收的影响.
- 阐明了DES辅助EOR的基本机制.
主要方法:
- 采用了分子动力学 (MD) 模拟.
- 研究了三个DES:胆化物:尿素 (ChCl:U),胆化物:乙烯基醇 (ChCl:EG) 和薄荷:酸 (M:SA).
- 模拟的多德干油从二氧化和石表面回收在10和25重%的DES度.
主要成果:
- 添加DES显著降低了油水界面张力 (IFT).
- DESs将表面的湿度从油性转变为油性,有助于去除油.
- 分析了相互作用能量,密度概况和键,以了解结构特征.
结论:
- 通过减少IFT和改变湿度,DES有效地增强了石油回收.
- 德斯与水之间的键影响了接口特性和基质的湿透性.
- 这项研究为开发可持续的EOR战略提供了基本的见解.
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