Hydrophobic dual-polymer–reinforced graphene composite aerogel for efficient water–oil separation
2025
Graphene Aerogel for Water-Oil Separation
publication
Evidence: high
Author Information
Author(s): Luo Zirong, Huang Shenbo, Kong Na, Zhang Jizhen, Tao Jinlong, Li Jihua, Li Shuang
Primary Institution: Chinese Academy of Tropical Agricultural Sciences
Hypothesis
Can a PDMS-coated epoxidized natural rubber-graphene composite aerogel enhance oil adsorption and separation efficiency?
Conclusion
The PDMS-coated aerogel shows excellent hydrophobicity and can effectively separate oil from water.
Supporting Evidence
- The aerogel has a high specific surface area of 482.362 m2 g−1.
- It can absorb oil completely in just 0.4 seconds.
- The aerogel retains 97.54% of its compressive stress after 50 cycles.
- It demonstrates a water contact angle of 147.6°.
Takeaway
This study created a special sponge that can soak up oil from water really fast, helping to clean up oil spills.
Methodology
The aerogel was made using a one-step hydrothermal process combined with a solution immersion method.
Limitations
The study does not specify the long-term stability of the aerogel in real-world conditions.
Digital Object Identifier (DOI)
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