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核心技术专利：CN118964589B侵权必究
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采用浸涂法制备的花状氧化锌和硬脂酸改性超疏水磁性三聚氰胺海绵用于油水分离。

Superhydrophobic magnetic melamine sponge modified by flowerlike ZnO and stearic acid using dip coating method for oil and water separation.

作者信息

Hojatjalali Mahshid, Bahraminia Soheil, Anbia Mansoor

机构信息

Faculty of Chemistry, Research Laboratory of Nanoporous Materials, Iran University of Science and Technology, P.O. Box 16846-13114, Tehran, Iran.

出版信息

Sci Rep. 2025 Mar 3;15(1):7378. doi: 10.1038/s41598-025-92246-8.

DOI:10.1038/s41598-025-92246-8
PMID:40025248
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11873253/
Abstract

The increasing occurrence of oil spills and industrial effluents containing oil have heightened the need for effective oil-water separation. This study developed a magnetic superhydrophobic melamine sponge using a dip-coating method with ZnO, stearic acid, and FeO nanoparticles. Characterization via XRD, FESEM, EDX, FT-IR, AFM, VSM, and water contact angle measurements (160.96˚ ± 0.65˚) revealed its excellent properties. The sponge demonstrated a sorption capacity of 36.12 ± 1.9 to 83.71 ± 2.8 g·g and separation efficiency ranging from 97.82 ± 1.3 to 99.83 ± 1.7%. Its performance in removing oil from real industrial effluent was also evaluated. Additionally, the sponge exhibited reusability and high efficiency in separating emulsified oil droplets. These results highlight the potential of the modified sponge as an effective sorbent for oily wastewater treatment.

摘要

石油泄漏以及含油工业废水的日益增多，使得有效油水分离的需求更为迫切。本研究采用浸涂法，使用氧化锌、硬脂酸和氧化亚铁纳米颗粒制备了一种磁性超疏水三聚氰胺海绵。通过X射线衍射、场发射扫描电子显微镜、能谱分析、傅里叶变换红外光谱、原子力显微镜、振动样品磁强计以及水接触角测量（160.96˚ ± 0.65˚）对其进行表征，结果显示该海绵具有优异的性能。该海绵的吸附容量为36.12 ± 1.9至83.71 ± 2.8 g·g，分离效率在97.82 ± 1.3%至99.83 ± 1.7%之间。还评估了其从实际工业废水中去除油污的性能。此外，该海绵在分离乳化油滴方面表现出可重复使用性和高效性。这些结果凸显了这种改性海绵作为处理含油废水的有效吸附剂的潜力。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1201/11873253/6e61de38dd5b/41598_2025_92246_Fig15_HTML.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1201/11873253/d7992b0d018f/41598_2025_92246_Fig8_HTML.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1201/11873253/6e61de38dd5b/41598_2025_92246_Fig15_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1201/11873253/488c74db6f2b/41598_2025_92246_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1201/11873253/018f33f30787/41598_2025_92246_Fig2_HTML.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1201/11873253/2a307a40bb69/41598_2025_92246_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1201/11873253/d7992b0d018f/41598_2025_92246_Fig8_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1201/11873253/9b746653d620/41598_2025_92246_Fig9_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1201/11873253/de458df495f9/41598_2025_92246_Fig10_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1201/11873253/0ed2c3bf241f/41598_2025_92246_Fig11_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1201/11873253/b0a32baa7143/41598_2025_92246_Fig12_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1201/11873253/1d35d33c81c6/41598_2025_92246_Fig13_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1201/11873253/9cb812d02c26/41598_2025_92246_Fig14_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1201/11873253/6e61de38dd5b/41598_2025_92246_Fig15_HTML.jpg

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