基于脂质的二进制洪水系统的建设和属性评估
Xiuxia Zhang1, Kangning Dong1, Feifei Qin1
1Department of Environmental and Safety Engineering, College of Chemistry and Chemical Engineering, China University of Petroleum (East China), Qingdao 266580, China.
The journal of physical chemistry. B
|October 23, 2024
概括
这项研究开发了一种环保的生物表面活性剂脂类 (TH) 和化学表面活性剂混合物,用于增强石油回收. 优化的系统实现了超低的界面张力,显著提高了油位移效率,具有出色的耐盐性.
科学领域:
- 石油工程是石油工程中的一个.
- 表面化学 表面化学
- 材料科学 材料科学 材料科学
背景情况:
- 复杂的储条件需要先进的油位移系统.
- 减少化学洪水对环境的影响是行业的一个关键挑战.
- 生物表面活性剂为增强石油回收 (EOR) 提供了一个可持续的替代方案.
研究的目的:
- 开发一个有效和环保的表面活性剂-聚合物系统,以提高石油回收.
- 研究生物表面活性剂脂质 (TH) 与化学表面活性剂的协同作用.
- 在各种水库条件下评估开发系统的性能.
主要方法:
- 生物表面活性剂脂质 (TH) 与四种化学表面活性剂的组合被选为超低的界面张力 (<10−2 mN/m).
- 选择的表面活性剂混合物与多烯胺 (HPAM) 结合,形成二元油位移系统.
- 评估了界面张力 (IFT),表面活性,吸附,耐盐性和粘度保留.
- 进行模拟的油位移实验,以确定回收的改进.
主要成果:
- 在TH/OAB{2:1},TH/OAB{3:1}和TH/EAO{3:1) 混合物中实现了超低的界面张力.
- TH/OAB{2:1) 和TH/EAO{3:1) 呈现出优越的表面活性,抗稀释和抗形成吸附性能.
- 二元系统在CaCl2和NaCl溶液中表现出极好的耐盐性.
- 石油洗率高达80.30%,TH/OAB是2:1).
- 与单个表面活性剂或聚合物泛滥相比,开发的系统显示出更高的回收改善.
结论:
- TH与化学表面活性剂的协同组合有效地降低了界面张力,从而提高了石油回收率.
- 开发的表面活性剂-聚合物系统表现出卓越的性能,包括耐盐性和高油脂回收效率.
- 这项研究为第三级石油回收应用提供了一个有希望的无替代品.
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