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基于烷基胺和聚乙二醇二甲基丙烯酸酯一步合成新型两亲性非离子表面活性剂用于阿拉伯重质原油乳液破乳

One-Step Synthesis of New Amphiphilic Nonionic Surfactants Based on Alkylamine and Poly(ethylene glycol) Dimethacrylate for Demulsification of Arabian Heavy Crude Oil Emulsions.

作者信息

Ezzat Abdelrahman O, Al-Lohedan Hamad A, Tawfeek Ahmed M, Faqihi Noorah A

机构信息

Department of Chemistry, College of Sciences, King Saud University, Riyadh 11451, Saudi Arabia.

出版信息

ACS Omega. 2023 Jan 31;8(6):6030-6039. doi: 10.1021/acsomega.2c08058. eCollection 2023 Feb 14.

DOI:10.1021/acsomega.2c08058
PMID:36816702
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9933207/
Abstract

New non-ionic surfactants based on alkylamine and poly(ethylene glycol) dimethacrylate were synthesized by one-step Aza-Michael addition reaction. The surfactants' chemical compositions, surface and interfacial activities, micellization, and zeta potential were characterized. Their surface and interfacial activities recommended the application as demulsifiers for water in Arabian heavy oil emulsions (w/o). The demulsification of this type of emulsion has attracted researchers' attention because of its high stability with water droplets in the microscale. The outcome of using the prepared surfactants showed high performance as emulsion breakers, as the demulsification efficiency reached 100% for w/o emulsions with different water to oil ratios (50:50, 30:70, and 10:90).

摘要

基于烷基胺和聚乙二醇二甲基丙烯酸酯的新型非离子表面活性剂通过一步氮杂迈克尔加成反应合成。对表面活性剂的化学成分、表面和界面活性、胶束化以及zeta电位进行了表征。它们的表面和界面活性表明其可作为阿拉伯重油乳液（油包水）中的破乳剂。由于这种类型的乳液在微观尺度上与水滴具有高稳定性，其破乳作用引起了研究人员的关注。使用所制备表面活性剂的结果表明其作为破乳剂具有高性能，对于不同水油比（50:50、30:70和10:90）的油包水乳液，破乳效率达到100%。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0d97/9933207/a324783564c4/ao2c08058_0011.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0d97/9933207/8d936f092265/ao2c08058_0007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0d97/9933207/e08f8ef8d8fa/ao2c08058_0013.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0d97/9933207/a324783564c4/ao2c08058_0011.jpg

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本文引用的文献

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Study on Demulsification-Flocculation Mechanism of Oil-Water Emulsion in Produced Water from Alkali/Surfactant/Polymer Flooding.碱/表面活性剂/聚合物驱采出水中油包水乳状液破乳-絮凝机理研究
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