globalchange  > 气候减缓与适应
DOI: 10.1016/j.watres.2018.09.012
Scopus记录号: 2-s2.0-85053795431
论文题名:
Hydrogel bowls for cleaning oil spills on water
作者: Tran V.T.; Xu X.; Mredha M.T.I.; Cui J.; Vlassak J.J.; Jeon I.
刊名: Water Research
ISSN: 431354
出版年: 2018
卷: 145
起始页码: 640
结束页码: 649
语种: 英语
英文关键词: Hydrogel bowl ; Hydrophobicity ; Macroscopic openings ; Oil spills ; Oil wettability ; Oleophilicity
英文摘要: We demonstrate a hydrogel bowl capable of selectively and rapidly collecting spilled oil while floating on water. The bowl has macroscopic openings in its sidewall, and its surface is first coated with octadecyltrichlorosilane (OTS) and then with diffusion pump oil, which imparts exceptional hydrophobic, oleophilic, and high oil wettability properties. The use of a hydrogel makes it possible to obtain surface hydrophobicity and oleophilicity, while also being inexpensive, eco-friendly, and easy to fabricate. Using a prototype of the bowl and a small pump system, we demonstrate that oils with a broad range of viscosities (2.7–2000.0 cSt at 20–40 °C) are more rapidly and efficiently collected from the surface of both pure water and seawater than with any other reported technique. The hydrogel bowl can collect oil for more than one month without losing its efficiency and can be stored in oil for reuse. Therefore, such hydrogel bowls represent a new alternative to conventional oil spill remediation techniques. © 2018 Elsevier Ltd
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/112415
Appears in Collections:气候减缓与适应

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作者单位: School of Mechanical Engineering, Chonnam National University, 77 Yongbong-ro, Buk-gu, Gwangju, 61186, South Korea; INM-Leibniz Institute for New Materials, Campus D2 2, Saarbrücken, 66123, Germany; School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, United States; Department of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou, 510006, China

Recommended Citation:
Tran V.T.,Xu X.,Mredha M.T.I.,et al. Hydrogel bowls for cleaning oil spills on water[J]. Water Research,2018-01-01,145
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