5 1 Conceptual approach 8 1.1 Scope of this thesis 8 1.2 Electronic and geometric effects in bimetallic catalysts 10 1.3 Mixed Oxides 11 1.4 (Strong) metal-support interaction 12 1.5 The role of the Pd-hydride phases 14 1.6 Oxide-supported Pd bimetallics in methanol steam reforming 14 1.7 Model Systems 21 2 Appendix: Experimental approach and methods 25 2.1 Electron Microscopy and related techn...

A fine layered nanocomposite with a total thickness of about 200 nm was formed on the surface of an Al63Cu25Fe12 quasicrystal (QC). The nanocomposite was found to exhibit high catalytic performance for steam reforming of methanol. The nanocomposite was formed by a self-assembly process, by leaching the Al-Cu-Fe QC using a 5 wt% Na2CO3 aqueous solution followed by calcination in air at 873 K. Th...

Large amounts of global sources of remote natural reserves gas are identified along with the main objective to allow energy contained in to be moved economically to the market. The current options that are adopted to export natural gas are basically two:1. To liquefy the gas and ship it as LNG (Liquefied Natural Gas). 2. To convert it to bulk petrochemicals in particular methanol or ammonia and...

Performance of Ni/Al2O3 catalysts (10 wt.% Ni) in steam reforming of n-butane was investigated in terms of n-butane conversion, selectivity to hydrogen and hydrogen yield. The process was carried out in a fixed-bed tubular reactor at 650 °C and atmospheric pressure. The volumetric flow rates of n-butane and steam were 0.1 mL/min and 0.6 mL/min, respectively. The catalysts were prepared by preci...

The co-generation facilities have maximal thermal efficiency. In the case of Russian Federation, for power production industry, development combined cycle (CCGT-CHP) is especially urgent. CCGT-CHP daily load schedule requires demand both electricity and heat, heat depends only upon ambient air temperature. gas turbine reduction subsequent steam during electric drop down are limited by necessity...

A demonstration of Fluidized Bed Steam Reforming (FBSR) was recently completed on a Hanford Low Activity Waste (LAW) simulant. This technology produced stable mineral phases (feldspathoids) when co-fired with clay. The mineral phases are cage structured and were determined to retain anions such as SO4 as well as cations such as Re (simulant for Tc) in the mineral cages. The mineral phases are p...

Steam reforming is a promising route to convert natural gas into syngas - mixture of H2 and CO, used as feed stock e.g. for ammonia, methanol Fischer-Tropsch synthesis processes. For the industrial application steam reforming, detailed understanding process prerequisite. Models that capture homogeneous heterogeneous reaction kinetics comprehensive transport processes well their interaction have...

The electrochemical activation of a Pt-KβAl2O3 catalytic system is studied for hydrogen production from ethanol. in-situ intercalation potassium ions onto the catalyst surface under negative polarization leads to and an increase in rate all explored conditions, observing reproducible, controllable reversible effect. Under ethanol partial oxidation migration promotes dehydrogenation route vs. de...