Sunlight Self-Heating Oil-Water Separation Material and Device for Recovering High-Viscosity Oil
Zhuqing Wang
Anhui Key Laboratory of Photoelectric-Magnetic Functional Materials, Anqing Normal University, Anqing, China
Contribution: Investigation (lead), Methodology (lead), Writing - original draft (lead)
Search for more papers by this authorYiyang Li
Anhui Key Laboratory of Photoelectric-Magnetic Functional Materials, Anqing Normal University, Anqing, China
Contribution: Writing - review & editing (lead)
Search for more papers by this authorYupu Meng
Anhui Key Laboratory of Photoelectric-Magnetic Functional Materials, Anqing Normal University, Anqing, China
Contribution: Writing - review & editing (equal)
Search for more papers by this authorZhiwei Huang
Anhui Key Laboratory of Photoelectric-Magnetic Functional Materials, Anqing Normal University, Anqing, China
Contribution: Writing - review & editing (equal)
Search for more papers by this authorCorresponding Author
Min Wang
Anhui Key Laboratory of Photoelectric-Magnetic Functional Materials, Anqing Normal University, Anqing, China
Correspondence:
Min Wang ([email protected])
Contribution: Supervision (lead), Writing - review & editing (lead)
Search for more papers by this authorZhuqing Wang
Anhui Key Laboratory of Photoelectric-Magnetic Functional Materials, Anqing Normal University, Anqing, China
Contribution: Investigation (lead), Methodology (lead), Writing - original draft (lead)
Search for more papers by this authorYiyang Li
Anhui Key Laboratory of Photoelectric-Magnetic Functional Materials, Anqing Normal University, Anqing, China
Contribution: Writing - review & editing (lead)
Search for more papers by this authorYupu Meng
Anhui Key Laboratory of Photoelectric-Magnetic Functional Materials, Anqing Normal University, Anqing, China
Contribution: Writing - review & editing (equal)
Search for more papers by this authorZhiwei Huang
Anhui Key Laboratory of Photoelectric-Magnetic Functional Materials, Anqing Normal University, Anqing, China
Contribution: Writing - review & editing (equal)
Search for more papers by this authorCorresponding Author
Min Wang
Anhui Key Laboratory of Photoelectric-Magnetic Functional Materials, Anqing Normal University, Anqing, China
Correspondence:
Min Wang ([email protected])
Contribution: Supervision (lead), Writing - review & editing (lead)
Search for more papers by this authorFunding: This work was supported by the Anhui Provincial Department of Education (Nos. KJ2020 A0493 and 2021jyxm0861).
ABSTRACT
This research employed a simplistic approach to modify polydimethylsiloxane (PDMS) and graphene oxide (GO) onto the surface of the PU skeleton, and then synthesize an oil–water separation material (rGO@PDMS/PU) with photothermal conversion performance and superoleophilic/superhydrophobic properties through high-temperature reduction. The synthesized rGO@PDMS/PU can adsorb organic solvents or oil that are 19–37 times its own weight, while also having a 99.1% oil–water separation efficiency. Additionally, rGO@PDMS/PU also has good photothermal conversion ability. Under the intensity of 1 sunlight (q = 1 kW m−2), its surface temperature can reach 95.4°C within 10 s. Relying on the excellent oil–water selectivity and photothermal conversion capabilities of rGO@PDMS/PU, we also build a novel oil-gathering device that can successfully make oil recovery on the water surface in situ. When the device is under light conditions, its crude oil recovery efficiency is nearly four times higher than when there is no light. Therefore, this new oil-gathering device has broad application prospects in high-viscosity oil leakage incidents such as crude oil and engine oil.
Conflicts of Interest
The authors declare no conflicts of interest.
Open Research
Data Availability Statement
The data that support the findings of this study are available from the corresponding author upon reasonable request.
Supporting Information
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| app56653-sup-0001-DataS1.docxWord 2007 document , 16.4 MB |
Data S1. |
Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.
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