Sustainable waste valorization: hydrophobic sponge from coconut fibers and expanded polystyrene for effective oil–water separation

IF 2.7 4区 环境科学与生态学 Q3 ENVIRONMENTAL SCIENCES
Elizabeth Alvarado-Gómez, Jesús I. Tapia, Omar De León, Armando Encinas
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引用次数: 0

Abstract

This study presents a novel approach to oil–water separation by repurposing coconut fibers and expanded polystyrene (EPS) into a hydrophobic sponge. Spherical sponges were fabricated and coated with a polystyrene solution to enhance hydrophobicity. Quantitative analysis revealed a high oil absorption capacity of 7.6 g/g, with sustained efficiency over ten reuse cycles. A circular economy-aligned method for separating and recovering coconut fibers and EPS was validated. This research highlights the potential of waste valorization in sustainable technology development. The developed sponge offers a promising solution for oil spill cleanup and water treatment, with implications for environmental conservation and resource efficiency.

Abstract Image

废物的可持续增值:利用椰子纤维和发泡聚苯乙烯制成的疏水海绵实现有效的油水分离
本研究通过将椰子纤维和发泡聚苯乙烯(EPS)重新利用为疏水性海绵,提出了一种新的油水分离方法。球形海绵制作完成后,涂上聚苯乙烯溶液以增强疏水性。定量分析显示,这种海绵的吸油量高达 7.6 克/克,并可在十次重复使用过程中保持高效率。一种分离和回收椰子纤维和发泡聚苯乙烯的循环经济型方法得到了验证。这项研究凸显了废物价值化在可持续技术开发中的潜力。所开发的海绵为溢油清理和水处理提供了一种前景广阔的解决方案,对环境保护和资源效率具有重要意义。
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来源期刊
CiteScore
5.30
自引率
16.10%
发文量
205
审稿时长
4.8 months
期刊介绍: The Journal of Material Cycles and Waste Management has a twofold focus: research in technical, political, and environmental problems of material cycles and waste management; and information that contributes to the development of an interdisciplinary science of material cycles and waste management. Its aim is to develop solutions and prescriptions for material cycles. The journal publishes original articles, reviews, and invited papers from a wide range of disciplines related to material cycles and waste management. The journal is published in cooperation with the Japan Society of Material Cycles and Waste Management (JSMCWM) and the Korea Society of Waste Management (KSWM).
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