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Application of rhodium nanoparticles for steam reforming of propane in microchannels

: Zapf, Ralf; Thiele, Richard; Wichert, Martin; O'Connell, Martin; Ziogas, Athanassios; Kolb, Gunther


Catalysis communications 41 (2013), pp.140-145
ISSN: 1566-7367
Journal Article
Fraunhofer ICT-IMM ()
rhodium; nanoparticles; steam reforming; propane; microchannels

Rhodium nanoparticles were synthesized by means of the chemical reduction method and applied as precursor for the preparation of Rh/Al2O3 catalysts with different Rh content (1, 2.5 and 5 wt.%). High surface area alumina powder was impregnated with the nanoparticle solution. After drying and calcination, the catalyst powder was deposited in microchannels by means of a washcoating process and after repeated drying and calcination tested for steam reforming of propane. All catalysts showed full conversion at the reaction conditions applied (T = 750 °C, S/C = 4, WHSV = 120 Nl/(h*gcat)) including during mid-term tests of 140 h uninterrupted testing.