Study on Oil–Water Separation Performance of PDA/ODA Composite–Modified Sponge

IF 1.8 4区工程技术 Q3 ENGINEERING, CHEMICAL

Lubrication Science Pub Date : 2024-05-16 DOI:10.1002/ls.1705

Jianfeng Chen, Yuanjing Hu, Zhiying Zhang, Xiaobing Li, Xiong Yu, Zhenping Wu, Zewen Chen

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引用次数: 0

Abstract

The study involved the modification of a melamine sponge (SP) through the introduction of polydopamine (PDA) and octadecylamine (ODA), resulting in the creation of three distinct sponge types: PDA/ODA@SP, PDA@SP and ODA@SP. The successful modification of PDA and ODA onto the surface of the sponge was confirmed through the utilisation of scanning electron microscopy and x-ray photoelectron spectroscopy. Consequently, the resulting sponges exhibited a unique micro–nano composite structure. Wettability testing was conducted to assess the properties of the sponges, revealing that the PDA/ODA@SP sponge demonstrated hydrophobic superlipophilic characteristics. Moreover, a series of 10 repeated oil–water separation experiments indicated that the PDA/ODA@SP sponge achieved an impressive separation efficiency of up to 97%, demonstrating its exceptional oil–water separation capabilities and reusability. Additionally, investigations utilising soybean oil and engine oil demonstrated the composite sponge's superior absorption capabilities for fatty acids and hydrocarbons.

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PDA/ODA 复合改性海绵的油水分离性能研究

该研究通过引入聚多巴胺（PDA）和十八胺（ODA）对三聚氰胺海绵（SP）进行改性，从而产生了三种不同的海绵类型：PDA/ODA@SP、PDA@SP 和 ODA@SP。利用扫描电子显微镜和 X 射线光电子能谱确认了 PDA 和 ODA 在海绵表面的成功改性。因此，所制备的海绵呈现出独特的微纳复合结构。为了评估海绵的特性，对其进行了润湿性测试，结果表明 PDA/ODA@SP 海绵具有疏水超亲油特性。此外，一系列重复 10 次的油水分离实验表明，PDA/ODA@SP 海绵的分离效率高达 97%，令人印象深刻，证明了其卓越的油水分离能力和可重复使用性。此外，利用大豆油和发动机油进行的研究表明，复合海绵对脂肪酸和碳氢化合物具有卓越的吸收能力。

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来源期刊

Lubrication Science ENGINEERING, CHEMICAL-ENGINEERING, MECHANICAL

CiteScore

3.60

自引率

10.50%

发文量

审稿时长

6.8 months

期刊介绍： Lubrication Science is devoted to high-quality research which notably advances fundamental and applied aspects of the science and technology related to lubrication. It publishes research articles, short communications and reviews which demonstrate novelty and cutting edge science in the field, aiming to become a key specialised venue for communicating advances in lubrication research and development. Lubrication is a diverse discipline ranging from lubrication concepts in industrial and automotive engineering, solid-state and gas lubrication, micro & nanolubrication phenomena, to lubrication in biological systems. To investigate these areas the scope of the journal encourages fundamental and application-based studies on: Synthesis, chemistry and the broader development of high-performing and environmentally adapted lubricants and additives. State of the art analytical tools and characterisation of lubricants, lubricated surfaces and interfaces. Solid lubricants, self-lubricating coatings and composites, lubricating nanoparticles. Gas lubrication. Extreme-conditions lubrication. Green-lubrication technology and lubricants. Tribochemistry and tribocorrosion of environment- and lubricant-interface interactions. Modelling of lubrication mechanisms and interface phenomena on different scales: from atomic and molecular to mezzo and structural. Modelling hydrodynamic and thin film lubrication. All lubrication related aspects of nanotribology. Surface-lubricant interface interactions and phenomena: wetting, adhesion and adsorption. Bio-lubrication, bio-lubricants and lubricated biological systems. Other novel and cutting-edge aspects of lubrication in all lubrication regimes.