自然和合成表面活性剂被石英矿物吸附的比较分析:一项实验研究
Arash Shirali1, Mohammad Ebrahimi2, Abdolhossein Hemmati-Sarapardeh3,4
1Department of Petroleum Engineering, Shahid Bahonar University of Kerman, Kerman, Iran.
Scientific reports
|February 9, 2026
概括
天然表面活性剂对石英的吸附度明显高于合成材料,影响了油的提升回收. 这项研究比较Ziziphus Spina-Christi (ZSC) 和Sodium Dodecyl Sulfate (SDS) 在石英上的吸附,以便在EOR中更好地选择表面活性剂.
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:
- 表面活性剂泛滥是一种关键的增强石油回收技术.
- 表面活性剂吸附到水库岩石如石英上可以降低EOR效率.
- 关于天然表面活性剂与合成表面活性剂相比吸附的数据有限.
研究的目的:
- 为了评估天然Ziziphus Spina-Christi (ZSC) 表面活性剂的平衡吸附.
- 为了比较ZSC表面活性剂吸附与石英上的合成二甲硫酸盐 (SDS).
- 为EOR应用选择最佳表面活性剂提供数据.
主要方法:
- 使用石英矿物质的吸附实验.
- 通过电导率 (EC),UV-Vis光谱光度和FTIR进行分析.
- 吸附异热模拟 (Langmuir,Freundlich,Temkin) 这是一个非常简单的方法.
主要成果:
- 在石英上的最大吸附率:ZSC 25 mg/g,SDS 3 mg/g.
- 表面活性剂的吸附度随着度的增加而增加,直到临界微粒度 (CMC).
- 兰木尔异热模型显示,这两种表面活性剂都很适合 (R2 > 0.98).
结论:
- 在石英上,ZSC的吸附率明显高于SDS.
- 吸附行为依赖于度,遵循兰格穆尔等温原理.
- 发现有助于选择自然表面活性剂以提高EOR效率.
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