Hydrogen Separation Using Pt-Alumina Impregnated Membrane
- 1 Centre for Process Integration and Membrane Technology, (CPIMT), School of Engineering, The Robert Gordon University, Aberdeen, UK
- 2 Centre for Process Integration and Membrane Technology, (CPIMT), School of Engineering, The Robert Gordon University, Aberdeen, UK
- 3 Centre for Process Integration and Membrane Technology, (CPIMT), School of Engineering, The Robert Gordon University, Aberdeen, UK
- 4 Centre for Process Integration and Membrane Technology, (CPIMT), School of Engineering, The Robert Gordon University, Aberdeen, UK
- 5 Centre for Process Integration and Membrane Technology, (CPIMT), School of Engineering, The Robert Gordon University, Aberdeen, UK
- 6 Centre for Process Integration and Membrane Technology, (CPIMT), School of Engineering, The Robert Gordon University, Aberdeen, UK
Abstract
A tubular commercial mesoporous support was used to prepare a Pt impregnated membrane using the reservoir method and tested for moderate temperature (300 ° C) gas transport of hydrogen (H 2 ), helium (He) and nitrogen (N 2 ) gas molecules. H 2 and N 2 gas permeation of 6.1 and 4.5 l/min at 1.0 barg feed pressure and 25 ° C respectively was obtained from the support. On the other hand, H 2 and N 2 gas permeation of 4.6 and 1.7 l/min at 1.0 barg feed pressure and 25 ° C respectively was also obtained from the Pt membrane. Selectivity of H 2 over He of 1.96 at 300 ° C and 1.6 barg for the Pt membrane was obtained and found to be higher than that of the theoretical Knudsen selectivity. Also, a selectivity of H 2 over N 2 of 2.72 at 25 ° C and 1.0 barg was obtained and found to be close to that of the theoretical Knudsen selectivity. The gas permeation and the selectivity performance of the membrane were evaluated.
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