نتایج جستجو برای: steam reforming of methane
تعداد نتایج: 21170487 فیلتر نتایج به سال:
Methane reforming allows the production of synthesis gas (syngas) which is an important mixture feedstock for chemicals and energy carriers. Steam methane (SRM) partial oxidation (POM) have been deployed at large industrial scale, while dry (DRM) more recently tri-reforming (TRM) are intensively studied. TRM simultaneously combines SRM, POM DRM in a unique process overcoming several weaknesses ...
Glycerol represents an emerging renewable bio-derived feedstock, which could be used as a source for producing hydrogen through steam reforming reaction. In this review, the state-of-the-art about glycerol production processes is reviewed, with particular focus on glycerol reforming reactions and on the main catalysts under development. Furthermore, the use of membrane catalytic reactors instea...
Steam reforming is one of the most important processes for producing hydrogen from hydrocarbon fuels such as LPG and has attracted much attention due to its high efficiency and economy. In this study, the LPG steam reforming reaction was investigated on nickel catalysts supported on four various zeolites (H-Y, Na-Y, HZSM5 and Ferrierite). The catalytic tests were performed in a tubular fixed be...
We are interested in catalysts consisting either of substitutionally doped oxides (e.g. RuxCe1-xO2) or of submonolayers of an oxide supported on another oxide (e.g. VOx supported on ceria). Calculations and experiments show that in most cases these systems are more active catalysts than the original oxide (i.e. ceria). We use theory to try to find general patterns governing the activation by do...
Blue hydrogen production by steam methane reforming (SMR) with carbon capture is far the most commercialised method, and addition of a simultaneous in-situ CO2 adsorption process, sorption-enhanced (SESMR) can further decrease cost H2 production. Ni-based catalysts have been extensively used for SMR because their excellent activity relatively low price, but deposition, sulphation, sintering lea...
The thermal valorization of glycerol to produce synthesis gas has been investigated under conventional and microwave heating systems. Different processes (pyrolysis, steam reforming and dry reforming) are compared, using a commercial activated carbon as catalyst. The reforming processes that employ oxidizing agents (CO2 or H2O) were found to promote higher glycerol conversions than mere termal ...
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