Flux-Reducing Tendency of Pd-Based Membranes Employed in Butane Dehydrogenation Processes
We report on the effect of butane and butylene on hydrogen permeation through thin state-of-the-art Pd–Ag alloy membranes. A wide range of operating conditions, such as temperature (200–450 °C) and H<sub>2</sub>/butylene (or butane) ratio (0.5–3), on the flux-reducing tendency were inves...
| Main Authors: | , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2020-10-01
|
| Series: | Membranes |
| Subjects: | |
| Online Access: | https://www.mdpi.com/2077-0375/10/10/291 |
| _version_ | 1797550747294892032 |
|---|---|
| author | Thijs A. Peters Marit Stange Rune Bredesen |
| author_facet | Thijs A. Peters Marit Stange Rune Bredesen |
| author_sort | Thijs A. Peters |
| collection | DOAJ |
| description | We report on the effect of butane and butylene on hydrogen permeation through thin state-of-the-art Pd–Ag alloy membranes. A wide range of operating conditions, such as temperature (200–450 °C) and H<sub>2</sub>/butylene (or butane) ratio (0.5–3), on the flux-reducing tendency were investigated. In addition, the behavior of membrane performance during prolonged exposure to butylene was evaluated. In the presence of butane, the flux-reducing tendency was found to be limited up to the maximum temperature investigated, 450 °C. Compared to butane, the flux-reducing tendency in the presence of butylene was severe. At 400 °C and 20% butylene, the flux decreases by ~85% after 3 h of exposure but depends on temperature and the H<sub>2</sub>/butylene ratio. In terms of operating temperature, an optimal performance was found at 250–300 °C with respect to obtaining the highest absolute hydrogen flux in the presence of butylene. At lower temperatures, the competitive adsorption of butylene over hydrogen accounts for a large initial flux penalty. |
| first_indexed | 2024-03-10T15:33:43Z |
| format | Article |
| id | doaj.art-a953d100ea0042e8be48b554364cde1b |
| institution | Directory Open Access Journal |
| issn | 2077-0375 |
| language | English |
| last_indexed | 2024-03-10T15:33:43Z |
| publishDate | 2020-10-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Membranes |
| spelling | doaj.art-a953d100ea0042e8be48b554364cde1b2023-11-20T17:25:44ZengMDPI AGMembranes2077-03752020-10-01101029110.3390/membranes10100291Flux-Reducing Tendency of Pd-Based Membranes Employed in Butane Dehydrogenation ProcessesThijs A. Peters0Marit Stange1Rune Bredesen2SINTEF Industry, P.O. Box 124 Blindern, N-0314 Oslo, NorwaySINTEF Industry, P.O. Box 124 Blindern, N-0314 Oslo, NorwaySINTEF Industry, P.O. Box 124 Blindern, N-0314 Oslo, NorwayWe report on the effect of butane and butylene on hydrogen permeation through thin state-of-the-art Pd–Ag alloy membranes. A wide range of operating conditions, such as temperature (200–450 °C) and H<sub>2</sub>/butylene (or butane) ratio (0.5–3), on the flux-reducing tendency were investigated. In addition, the behavior of membrane performance during prolonged exposure to butylene was evaluated. In the presence of butane, the flux-reducing tendency was found to be limited up to the maximum temperature investigated, 450 °C. Compared to butane, the flux-reducing tendency in the presence of butylene was severe. At 400 °C and 20% butylene, the flux decreases by ~85% after 3 h of exposure but depends on temperature and the H<sub>2</sub>/butylene ratio. In terms of operating temperature, an optimal performance was found at 250–300 °C with respect to obtaining the highest absolute hydrogen flux in the presence of butylene. At lower temperatures, the competitive adsorption of butylene over hydrogen accounts for a large initial flux penalty.https://www.mdpi.com/2077-0375/10/10/291palladium membranedehydrogenationbutyleneflux-reducing tendency |
| spellingShingle | Thijs A. Peters Marit Stange Rune Bredesen Flux-Reducing Tendency of Pd-Based Membranes Employed in Butane Dehydrogenation Processes Membranes palladium membrane dehydrogenation butylene flux-reducing tendency |
| title | Flux-Reducing Tendency of Pd-Based Membranes Employed in Butane Dehydrogenation Processes |
| title_full | Flux-Reducing Tendency of Pd-Based Membranes Employed in Butane Dehydrogenation Processes |
| title_fullStr | Flux-Reducing Tendency of Pd-Based Membranes Employed in Butane Dehydrogenation Processes |
| title_full_unstemmed | Flux-Reducing Tendency of Pd-Based Membranes Employed in Butane Dehydrogenation Processes |
| title_short | Flux-Reducing Tendency of Pd-Based Membranes Employed in Butane Dehydrogenation Processes |
| title_sort | flux reducing tendency of pd based membranes employed in butane dehydrogenation processes |
| topic | palladium membrane dehydrogenation butylene flux-reducing tendency |
| url | https://www.mdpi.com/2077-0375/10/10/291 |
| work_keys_str_mv | AT thijsapeters fluxreducingtendencyofpdbasedmembranesemployedinbutanedehydrogenationprocesses AT maritstange fluxreducingtendencyofpdbasedmembranesemployedinbutanedehydrogenationprocesses AT runebredesen fluxreducingtendencyofpdbasedmembranesemployedinbutanedehydrogenationprocesses |