Abstract
This paper reports the preparation, characterization and stability tests of thin-film Pd-Ag supported membranes for high-temperature fluidized bed membrane reactor applications. Various thin-film supported membranes have been prepared by simultaneous Pd-Ag electroless plating and have been initially sealed with a sealing procedure previously validated for Water gas shift (WGS) application (400 °C). The membranes have been characterized for single gas and mixed gas permeation, and for methane steam and autothermal reforming in a fluidized bed membrane reactor at 550-600 °C using a Ru-based catalyst. In addition, the performance of these membranes was compared to commercial membranes from REB Research & Consulting under the same reaction conditions. The applied sealing showed nitrogen leaks at 600 °C and different sealing approaches were tested solving this problem. Finally, also the long-term stability of the thin-film Pd-Ag supported membrane at 600 °C has been investigated.
| Original language | English |
|---|---|
| Pages (from-to) | 13463-13478 |
| Number of pages | 16 |
| Journal | International Journal of Hydrogen Energy |
| Volume | 40 |
| Issue number | 39 |
| DOIs | |
| Publication status | Published - 19 Oct 2015 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- Autothermal steam reforming
- Fluidized bed membrane reactor
- High temperature sealing
- Membrane stability
- Palladium membrane preparation
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