Synthesis of a novel demulsifier by one-pot synthesis using two PEO-PPO demulsifiers as materials and the study of its demulsification performance

Fei WangCollege of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu, Sichuan, China;Oil & Gas Field Applied Chemistry Key Laboratory of Sichuan Province, Southwest Petroleum University, Chengdu, Sichuan, ChinaView further author information

Shenwen FangCollege of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu, Sichuan, China;Oil & Gas Field Applied Chemistry Key Laboratory of Sichuan Province, Southwest Petroleum University, Chengdu, Sichuan, ChinaCorrespondence[email protected]
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Ming DuanCollege of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu, Sichuan, China;Oil & Gas Field Applied Chemistry Key Laboratory of Sichuan Province, Southwest Petroleum University, Chengdu, Sichuan, ChinaView further author information

Yan XiongCollege of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu, Sichuan, China;Oil & Gas Field Applied Chemistry Key Laboratory of Sichuan Province, Southwest Petroleum University, Chengdu, Sichuan, ChinaView further author information

Xiujun WangEOR Department, Beijing Research Center of China National Offshore Oil Corporation, Beijing, China;EOR Department, State Key Laboratory of Offshore Oil Exploitation, Beijing, ChinaView further author information

ABSTRACT

A novel demulsifier (noted as PSADP) having high molecular weight and branch structure was prepared via one-pot synthesis by using two PEO-PPO demulsifiers (SP-1 and DMEA-1), acrylic acid (AA), and pentaerythritol tetraacrylate (PET4A) as materials. The demulsification experiments showed that PSADP can achieve high water removal and clear separated water at the same time. Optimal preparation condition of PSADP was elected by orthogonal test. In addition, the study of partition coefficient and interfacial dilational moduli showed that the best PSADP had best capacity to displace the natural active agents and destroy the interface.

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Funding

This paper was funded by the Key Technologies R&D Program of China (NO. 2016ZX05025003-003) and the National Natural Science Foundation of China (21607174).

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Synthesis of a novel demulsifier by one-pot synthesis using two PEO-PPO demulsifiers as materials and the study of its demulsification performance

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Synthesis of a novel demulsifier by one-pot synthesis using two PEO-PPO demulsifiers as materials and the study of its demulsification performance

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