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Novel Composite Inorganic Ceramic Membranes for Gas Separations and Environmental Applications

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Transactions on Engineering Technologies

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Abstract

Composite ceramic inorganic membranes have been prepared using different types of support with the aim to achieving high selectivity for lower hydrocarbons. Upon modification of the support, the morphology was examined using Scanning Electron Microscopy (SEM), which showed a reduction in the pore radius and pore size distribution. Energy Dispersive X-ray Diffraction (EDAX) was used to determine the elemental composition of the membrane. Gas permeation tests were carried out with inorganic ceramic membrane consisting of a ceramic support and a zeolite layer. The permeance of nitrogen, carbon dioxide, helium, methane, propane and argon through the membrane at varying pressures was determined. The effect of the mean pressure of up to 0.1 MPa on the molar flux of the gases at 294 K was determined.

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Abbreviations

Ediff :

Activation energy (J mol−1)

Ee :

Activation energy for activated gas translational diffusion (J mol−1)

D͚:

Arrhenius-type pre-exponential factor (m2 s−1)

\( \bar{P} \) :

Average pressure drop across the membrane (Pa)

B:

Constant representing Knudsen flow

A:

Constant representing viscous flow

D:

Diffusivity (m2 s−1)

Dg :

Diffusion coefficient

Ds:

Fick’s diffusivity constant

N:

Flux (mol s−1 m−2)

M:

Gas molecular mass (g mol−1)

Ng :

Gas translational diffusion

K:

Knudsen number

S:

Membrane area (m2)

R:

Molar gas constant (8.314 J mol−1 K−1)

Q:

Molar gas flow rate (mol s−1)

J:

Permeability (mol m m−2 s−1 Pa−1)

\( \Delta {\text{P}} \) :

Pressure drop across the membrane (Pa)

dp :

Pore diameter (m)

Ns :

Surface flux

Do :

The intrinsic or corrected diffusivity

T:

Temperature (K)

Å:

Angstrom

μm :

Average velocity (m s−1)

λ :

Mean free path of gas molecule (m)

\( r_{p } \) :

Membrane Pore radius (m)

Г:

Thermodynamic correction factor

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Acknowledgements

The conference was sponsored by IDEAS Research Institute, The Robert Gordon University Aberdeen, United Kingdom. The Authors of this paper acknowledge the center for Process Integration and Membrane Technology at RGU for providing the research infrastructure and the School of Pharmacy Life Science for the SEM/EDAX analysis.

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Authors and Affiliations

  1. School of Engineering, Centre for Process Integration and Membrane Technology (CPIMT), The Robert Gordon University Aberdeen, Aberdeen, AB10 7GJ, UK

    Shehu Habiba, Okon Edidiong & Edward Gobina

Authors
  1. Shehu Habiba
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  2. Okon Edidiong
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  3. Edward Gobina
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Corresponding author

Correspondence to Edward Gobina .

Editor information

Editors and Affiliations

  1. Intl Association of Engineers, Hong Kong, Hong Kong

    Sio-iong Ao

  2. Department of Multimedia Engineering, Mokpo National University, Chonnam, Korea (Republic of)

    Gi-Chul Yang

  3. Cranfield University, Cranfield, Bedfordshire, United Kingdom

    Len Gelman

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© 2016 Springer Science+Business Media Singapore

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Habiba, S., Edidiong, O., Gobina, E. (2016). Novel Composite Inorganic Ceramic Membranes for Gas Separations and Environmental Applications. In: Ao, Si., Yang, GC., Gelman, L. (eds) Transactions on Engineering Technologies. Springer, Singapore. https://doi.org/10.1007/978-981-10-1088-0_5

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  • DOI: https://doi.org/10.1007/978-981-10-1088-0_5

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-10-1087-3

  • Online ISBN: 978-981-10-1088-0

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