Can graphene revolutionize water filtration with its superpermeability?

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In summary, graphene is a single layer of carbon atoms with unique properties such as strength, conductivity, and flexibility. It can go superpermeable, meaning it can act as a highly efficient filter for specific molecules. This has the potential to revolutionize industries and address global challenges. Graphene achieves superpermeability through its structure, surface area, and defects. However, there are limitations in production scalability and environmental impact that are being addressed through ongoing research.
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Wonder material graphene has revealed another of its extraordinary properties - University of Manchester researchers have found that it is superpermeable with respect to water.

http://www.manchester.ac.uk/research/news/display/?id=7895
http://arxiv.org/ftp/arxiv/papers/1112/1112.3488.pdf


What kinds of applications can you see this being used in and how soon?
 
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I wonder if it could separate salt from sea water.
 
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nitsuj said:
I wonder if it could separate salt from sea water.

Even if it could, would it be viably fast enough?
 

1. What is graphene?

Graphene is a single layer of carbon atoms arranged in a hexagonal lattice structure. It is considered a "wonder material" due to its unique properties, including being the thinnest and strongest material known to man, as well as being highly conductive and flexible.

2. What does it mean for graphene to go superpermeable?

Superpermeability refers to the ability of a material to allow certain substances, such as water or gases, to pass through it at an extremely high rate. In the case of graphene, it means that it can act as a super-efficient filter, allowing only specific molecules to pass through while blocking others.

3. Why is graphene's superpermeability important?

Graphene's superpermeability has the potential to revolutionize various industries, such as water filtration, gas separation, and drug delivery. It can also have significant environmental implications, as it could help address global challenges such as clean water scarcity and air pollution.

4. How does graphene achieve superpermeability?

The superpermeable properties of graphene are due to its unique structure and properties. Its single-atom thickness allows for fast diffusion of molecules, while its high surface area and hydrophobic nature make it ideal for selective permeation of certain molecules. Additionally, the defects and imperfections in graphene's lattice also play a role in its superpermeable behavior.

5. Are there any limitations to graphene's superpermeability?

While graphene's superpermeability shows great promise, there are still some challenges that need to be addressed. One limitation is the scalability of production, as large-scale production of high-quality graphene is still a challenge. Additionally, there are concerns about the environmental impact of graphene production and disposal. Research is ongoing to address these limitations and fully harness the potential of graphene's superpermeability.

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