RT Journal Article
T1 Long-Term Stability of Thin-Film Pd-Based Supported Membranes
A1 Nooijer, Niek
A1 Arratibel Plazaola, Alba
A1 Meléndez Rey, Jon
A1 Fernandez, Ekain
A1 Pacheco Tanaka, David
A1 Sint Annaland, Martin
A1 Gallucci, Fausto
AB Membrane reactors have demonstrated a large potential for the production of hydrogen via reforming of different feedstocks in comparison with other reactor types. However, the long-term performance and stability of the applied membranes are extremely important for the possible industrial exploitation of these reactors. This study investigates the long-term stability of thin-film Pd-Ag membranes supported on porous Al2O3 supports. The stability of five similarly prepared membranes have been investigated for 2650 h, up to 600 °C and in fluidized bed conditions. Results show the importance and the contribution of the sealing of the membranes at temperatures up to 500 °C. At higher temperatures the membranes surface deformation results in pinhole formation and a consequent decrease in selectivity. Stable operation of the membranes in a fluidized bed is observed up to 450 °C, however, at higher temperatures the scouring action of the particles under fluidization causes significant deformation of the palladium surface resulting in a decreased selectivity.
SN 2227-9717
YR 2019
FD 2019-02-01
LA eng
NO Nooijer , N , Arratibel Plazaola , A , Meléndez Rey , J , Fernandez , E , Pacheco Tanaka , D , Sint Annaland , M & Gallucci , F 2019 , ' Long-Term Stability of Thin-Film Pd-Based Supported Membranes ' , Processes , vol. 7 , no. 2 , 106 , pp. 106 . https://doi.org/10.3390/pr7020106
NO Publisher Copyright: © 2019 by the authors.
DS TECNALIA Publications
RD 29 jun 2024