نتایج جستجو برای: catalytic reforming reactor

تعداد نتایج: 112254  

2012
Olaf Deutschmann

This chapter reviews recent studies of catalytic reforming of logistic fuels at hightemperature. Aside from steam and autothermal reforming, special consideration is given to partial oxidation conditions. Natural gas, gasoline, diesel, and ethanol containing fuels are discussed. Methane and iso-octane as fuel surrogates are exemplarily used to explain the behavior of the reformers in particular...

Journal: :Journal of CO2 utilization 2021

A combination of a rotating gliding arc and spouted catalytic bed was investigated in plasma-catalytic system for dry reforming methane (DRM). Different nickel-based catalysts, including Ni supported on Al2O3 or SiO2 (fresh passivated) with 0, 15, 30 wt % Ni, were investigated. It found that more stable operation the obtained Al2O3-supported catalyst rather than catalyst. noticeable increase se...

2013
Mohamad Hassan Amin James Tardio Suresh K. Bhargava

The activity of Ni supported on mesoporous SBA-15, MCM-41, KIT-6, and a sol-gel prepared Ni/γAl2O3, for catalysing methane dry reforming was investigated. The chemical and physical characteristics of the catalysts before and after catalytic testing were investigated using X-Ray diffraction, X-ray Photoemission Spectroscopy, Transmission Electron Microscopy, Scanning Electron Microscopy / Energy...

Journal: :Angewandte Chemie 2007
Juben N Chheda George W Huber James A Dumesic

Biomass has the potential to serve as a sustainable source of energy and organic carbon for our industrialized society. The focus of this Review is to present an overview of chemical catalytic transformations of biomass-derived oxygenated feedstocks (primarily sugars and sugar-alcohols) in the liquid phase to value-added chemicals and fuels, with specific examples emphasizing the development of...

Fluidized bed was employed to investigate propane steam reforming over Ni-K/CeO2-Al2O3 catalyst. The catalyst was characterized by XRD, SEM, TG/DTA, and N2 adsorption-desorption tests. Effects of promoters, space velocity, temperature, and steam/propane (S/C) ratio on propane conversion, H2 yield, H2/CO ratio, and stability were studied and discussed. The experiments were carried out under cond...

2015
Daren Einar Daugaard Kenneth M. Bryden Srinivas Garimella Steven J. Hoff Brent H. Shanks

An unresolved and debated aspect in the fast pyrolysis of biomass is whether the bio-oil exits as a vapor or as an aerosol from the pyrolytic reactor. The determination of the bio-oil transport phase will have direct and significant impact on the design of fast pyrolysis systems. Optimization of both the removal of particulate matter and collection of bio-oil will require this information. In a...

Journal: :Fuel 2021

The present contribution experimentally examined the combined effect of non-thermal plasma and Mn-based composite catalysts on CO2 reforming toluene as a model compound tars in synthesis gas production from biomass gasification pyrolysis. experimentation was performed using fixed-bed reactor packed with catalyst incorporating dielectric barrier discharge (DBD) to generate in-situ. effects speci...

Journal: :Nature Reviews Methods Primers 2022

The growing environmental concerns associated with global warming along the exponential rise in energy demand are boosting production of clean energy. combined process biomass pyrolysis and in-line catalytic steam reforming is a promising alternative for selective hydrogen from renewable sources. This Primer provides general overview fundamental aspects that influence potential process. Recent ...

Journal: :Chemical Engineering Journal Storage (CEJS) 2022

Many attempts have been made to improve heat transfer for thermally integrated microchannel reforming reactors. However, the mechanisms effects of design factors on characteristics are still not fully understood. This study relates a thermochemical process producing hydrogen by catalytic endothermic reaction methanol with steam in reactor. Computational fluid dynamics simulations conducted bett...

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