Strategic Engineering of Compressible, Fibrous, Mesoporous Monoliths for High-Flux Separation of Viscous Fuel Oil With Tunable Joule-Heating Effect

IF 13 2区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

Energy & Environmental Materials Pub Date : 2024-09-27 DOI:10.1002/eem2.12833

Songah Jeong, Youngwoo Kwak, Seo Yoon Jeong, Jinhyeok Kang, Changwoo Nam, Hyungwoo Kim

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Abstract

This paper demonstrates the strategic molecular design of functional polymer monoliths comprised of mesoporous fibers with stimuli-responsive Joule-heating properties for the rapid and efficient recovery of viscous fuel oil from water. The mesoporous fibers were composed of carefully selected monomers, which spontaneously entangled with each other to form a spongy monolith in a one-pot synthesis process. The subsequent addition of polypyrrole nanoparticles to the polymer produced superwettable intertwined fibers with strain-responsive conductivity, allowing the monolith to be used as a compressible, fibrous, and porous adsorbent with a high-flux separation capability and a tunable electrical heating effect. This adsorbent was demonstrated to successfully separate different types of low-viscosity oil from water in a continuous, highly efficient process. It also induced a rapid increase in the temperature during the recovery of marine fuel oil (MFO 380), with a minimal compression of 3% under an external voltage. The proposed adsorbent can thus be used for the effective recovery of various fuel oils and improved further by incorporating other synergistic components for various water-treatment systems.

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利用可调焦耳热效应对粘性燃油的高流量分离进行可压缩纤维介孔单片的战略工程设计

本文展示了由具有刺激响应焦耳加热特性的介孔纤维组成的功能聚合物单体的战略性分子设计，用于从水中快速有效地回收粘性燃料油。介孔纤维是由精心挑选的单体组成的，这些单体在一锅合成过程中自发地相互缠绕，形成海绵状的整体。随后，在聚合物中加入聚吡咯纳米颗粒，产生了具有应变响应导电性的超可湿缠绕纤维，使这种单体材料成为可压缩、纤维状和多孔吸附剂，具有高通量分离能力和可调节的电热效果。实验证明，该吸附剂可以在连续、高效的过程中成功地从水中分离出不同类型的低粘度油。在回收船用燃料油（MFO 380）的过程中，温度也会迅速升高，在外部电压下的最小压缩率为3%。因此，所提出的吸附剂可用于各种燃料油的有效回收，并通过纳入用于各种水处理系统的其他协同组分进一步改进。

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来源期刊

Energy & Environmental Materials MATERIALS SCIENCE, MULTIDISCIPLINARY-

CiteScore

17.60

自引率

6.00%

发文量

期刊介绍： Energy & Environmental Materials (EEM) is an international journal published by Zhengzhou University in collaboration with John Wiley & Sons, Inc. The journal aims to publish high quality research related to materials for energy harvesting, conversion, storage, and transport, as well as for creating a cleaner environment. EEM welcomes research work of significant general interest that has a high impact on society-relevant technological advances. The scope of the journal is intentionally broad, recognizing the complexity of issues and challenges related to energy and environmental materials. Therefore, interdisciplinary work across basic science and engineering disciplines is particularly encouraged. The areas covered by the journal include, but are not limited to, materials and composites for photovoltaics and photoelectrochemistry, bioprocessing, batteries, fuel cells, supercapacitors, clean air, and devices with multifunctionality. The readership of the journal includes chemical, physical, biological, materials, and environmental scientists and engineers from academia, industry, and policy-making.