Ralf Zapf

Catalyst preparation and deactivation issues for nitrobenzene hydrogenation in a microstructured falling film reactor

Kay Kin Yeong, Asterios Gavriilidis, Ralf Zapf et al. · Catalysis Today · 2003 · 148 citations

Chemical Engineering, Engineering, Catalytic Process +10

Hydrogen production from methane and natural gas steam reforming in conventional and microreactor reaction systems

Urko Izquierdo, V.L. Barrio, J.F. Cambra et al. · International Journal of Hydrogen Energy · 2011 · 136 citations

Chemical Engineering, Hydrogen Production, Gas Conversion +9

Detailed Characterization of Various Porous Alumina-Based Catalyst Coatings Within Microchannels and Their Testing for Methanol Steam Reforming

Ralf Zapf, Carsten Becker‐Willinger, K. Berresheim et al. · Process Safety and Environmental Protection · 2003 · 123 citations

Materials Science, Chemical Engineering, Methanol Steam Reforming +8

Propane steam reforming in micro-channels—results from catalyst screening and optimisation

Gunther Kolb, Ralf Zapf, Volker Hessel et al. · Applied Catalysis A General · 2004 · 119 citations

Chemical Engineering, Engineering, Gas Conversion +6

Effect of ceria and zirconia promotors on Ni/SBA-15 catalysts for coking and sintering resistant steam reforming of propylene glycol in microreactors

Vetrivel Shanmugam, Ralf Zapf, Stefan Neuberg et al. · Applied Catalysis B: Environmental · 2016 · 102 citations

Materials Science, Chemical Engineering, Catalytic Material +11