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使用基于糖的新型表面活性剂有效地去乳化原油乳液

Mahmood M S Abdullah¹, Hamad A Al-Lohedan¹, Noorah A Faqihi¹

¹Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia.

|July 29, 2024

概括

一种新型的,环保的表面活性剂,六甲基糖酸无水化粉 (HA-ST),用于原油脱合成. 这种低成本的材料可以有效地分解油在水中的乳液,尤其是含海水量高的乳液.

科学领域:

绿色化学绿色化学
材料科学材料科学材料科学
石油工程是石油工程中的一个.

背景情况:

原油脱对于有效的石油回收和加工至关重要.
传统的除剂往往会带来环境问题,并且可能很昂贵.
开发可持续和成本有效的替代品是该行业持续面临的挑战.

研究的目的:

合成一种环保且低成本的表面活性剂,即六甲基糖酸无水化粉 (HA-ST).
评估HA-ST作为原油乳液脱硫剂的有效性.
为了在各种条件下比较HA-ST与商用脱硫剂的性能.

主要方法:

通过使用粉 (ST) 开环的六甲基糖氨酸化物 (HA) 合成HA-ST.
使用富里埃变换红外光谱 (FTIR) 和热重力测量分析 (TGA) 进行HA-ST的表征.
使用悬挂滴技术对表面活动的评估以及在不同温度,海水比 (SR),度,时间和pH下脱效率 (DE).

主要成果:

成功合成和描述HA-ST,证实其形成,热稳定性和表面活性.
HA-ST证明了有效的脱,效率随着温度,SR,度和时间的增加而增加.
使用HA-ST在50%SR和250ppm时,可以达到100%的DE,与商业脱硫剂相比,特别是在含有>30%海水的乳液中.

结论:

HA-ST是一种有前途的绿色和具有成本效益的表面活性剂,用于原油脱.
它的性能在高盐度条件下尤其显著,比传统的除剂具有优势.
该研究支持使用HA-ST作为石油加工中的可持续替代品.

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