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Gas Separation Membranes

  • Reference work entry
  • First Online:
Encyclopedia of Polymeric Nanomaterials

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Definition

A gas separation membrane is an interphase between two adjacent phases acting as a selective barrier, regulating the transport of gases among gas mixtures.

What Are Gas Separation Membranes?

Gas separation membranes are used to separate gases from a gas mixture when the gas particle diameters are several Å and the difference in gas particle sizes is minimal. O2/N2 separation, CO2/CH4 separation, hydrogen separation, helium separation, CO2/N2 separation for separation and collection of greenhouse gases that cause global warming, and the separation of perfluoro compounds such as C2F6 and SF6have been under intense investigation. The use of a polymer membrane to separate substances is an environmentally friendly and energy-saving separation method. It is recognized as one of the key technologies that can solve an environmental problem because this method is easy to operate and allows footprint downsizing and continuous separation. Reverse osmosis membrane and dialysis are...

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References

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Author information

Authors and Affiliations

  1. Department of Applied Chemistry, Meiji University, 1-1-1 Higashi-mita, 214-8571, Tama-ku, Kawasaki, Japan

    Ryohei Shindo & Kazukiyo Nagai

Authors
  1. Ryohei Shindo
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  2. Kazukiyo Nagai
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Corresponding author

Correspondence to Kazukiyo Nagai .

Editor information

Editors and Affiliations

  1. Center for Fiber and Textile Science, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto, Japan

    Shiro Kobayashi

  2. Max Planck Institute for Polymer Research, Mainz, Germany

    Klaus Müllen

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© 2015 Springer-Verlag Berlin Heidelberg

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Shindo, R., Nagai, K. (2015). Gas Separation Membranes. In: Kobayashi, S., Müllen, K. (eds) Encyclopedia of Polymeric Nanomaterials. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-29648-2_134

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