کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
58742 | 47169 | 2006 | 10 صفحه PDF | دانلود رایگان |
Water-gas shift (WGS) and methanol steam reforming (MSR) were performed in a catalytic membrane reactor configuration using self-supported Pd/23 wt.% Ag membranes of 1.6 μm thickness. A commercial Cu/ZnO/support catalyst was used. Effects on hydrogen permeation and membrane stability were investigated under the application of relevant conditions. The membranes were studied with X-ray photoelectron spectroscopy (XPS) and transmission electron microscopy (TEM) before and after usage to characterize the surface composition, microstructure and texture. The self-supported membrane configuration allows exploration of the membrane bulk and surface effects without any influence of a porous support. The extremely low membrane thickness means a greater influence of surface processes compared to thicker membranes.
Journal: Catalysis Today - Volume 118, Issues 1–2, 30 October 2006, Pages 63–72