C01B2203/1229

Engine Fuel-Reforming Reactors, Systems, and Methods
20170348659 · 2017-12-07 ·

An engine system for internal combustion and reformation of a fuel includes an engine, and a reforming reactor. The engine comprising an intake manifold for receiving a first fuel and an exhaust manifold for releasing an exhaust gas. The reforming reactor includes a first end portion, a second end, a wall having an outer surface and an inner surface. The inner surface defines an interior cavity for receiving the first fuel, a second fuel, reactants for the first fuel, or combinations thereof. The exhaust manifold of the system is sized and shaped for receiving a portion of the reforming reactor such that the exhaust gas flows along a surface of the reforming reactor within the exhaust manifold.

Catalytically heated fuel processor with replaceable structured supports bearing catalyst for fuel cell

A highly compact heat integrated fuel processor, which can be used for the production of hydrogen from a fuel source, suitable to feed a fuel cell, is described. The fuel processor assembly comprises a catalytic reforming zone (29) and a catalytic combustion zone (28), separated by a wall (27). Catalyst able to induce the reforming reactions is placed in the reforming zone and catalyst able to induce the combustion reaction is placed in the combustion zone, both in the form of coating on a suitable structured substrate, in the form of a metal monolith. Fe—Cr—Al—Y steel foils, in corrugated form so as to enhance the available area for reaction, can be used as suitable substrates. The reforming and the combustion zones can be either in rectangular shape, forming a stack with alternating combustion/reforming zones or in cylindrical shape forming annular sections with alternating combustion/reforming zones, in close contact to each other. The close placement of the combustion and reforming catalyst facilitate efficient heat transfer through the wall which separates the reforming and combustion chambers.

Efficient Catalytic Greenhouse Gas-Free Hydrogen and Aldehyde Formation from Alcohols

Catalytic preparation of hydrogen and aldehyde(s) from alcohols, including bioalcohols, without production of carbon monoxide or carbon dioxide.

Advanced double skin membranes for membrane reactors

A hydrogen permeable membrane device is provided that includes a porous ceramic layer having a material that includes zirconia, Yttria-stabilized zirconia (YSZ), γ/Al.sub.2O.sub.3, and/or YSZ— γ/Al.sub.2O.sub.3, and a porous Pd film or porous Pd-alloy film deposited on the a mesoporous ceramic layer.

STEAM REFORMING CATALYSTS FOR SUSTAINABLE HYDROGEN PRODUCTION FROM BIOBASED MATERIALS
20220203341 · 2022-06-30 ·

The present invention relates to a steam reforming catalyst for hydrogen production. More specifically, the present invention provides a novel catalysts support for sustainable hydrogen production by steam reforming process using bio-based materials feedstock such as ethanol, glycerol, n-butanol and ethylene glycol. The said improved support catalyst and metal doped catalysts therefrom, are comprising of combination of crystalline Mesoporous cellular foam (MCF) silica and basic site assistant for enhancing catalytic activity of doped active metals thereon and lower coke formation. The benefits of present invention is in the cost efficient steam reforming process for hydrogen production, wherein the said catalysts are efficiently providing a high reactant conversion at lower temperature, no coke formation, high thermal stability for longer time and effective catalytic performance for multiple cycles.

Hydrogen generation assemblies and hydrogen purification devices
11364473 · 2022-06-21 · ·

Hydrogen generation assemblies, hydrogen purification devices, and their components, and methods of manufacturing those assemblies, devices, and components are disclosed. In some embodiments, the devices may include an insulation base having insulating material and at least one passage that extends through the insulating material. In some embodiments, the at least one passage may be in fluid communication with a combustion region.

GAS PRODUCTION SYSTEM AND GAS PRODUCTION METHOD

A gas production system which applies plasma to a catalyst in a reactor and reforms a supplied source gas and a supplied oxidant gas to produce a product gas, includes: gas ratio change means for changing a ratio between the source gas to be supplied to the reactor by source gas supply means and the oxidant gas to be supplied to the reactor by oxidant gas supply means; and plasma generation means for generating the plasma to be applied to the catalyst. Thus, formation of highly reactive chemical species on a catalyst surface is efficiently promoted, whereby the yield of the product gas and energy efficiency are improved.

Catalyst for low temperature ethanol steam reforming and related process

A catalyst composition suitable for the ethanol reforming process at low temperature with enhanced stability on long term, comprises a noble metal, such as platinum or rhodium, and a transition non-noble metal, such as nickel or cobalt, supported by a carrier comprising, cerium, zirconium, optionally aluminium, supplemented with potassium. It is provided also a method for the stable production of hydrogen from an ethanol containing gas stream, comprising subjecting the gas stream to catalytic ethanol reforming as to form a rich H2 stream, using the catalyst as defined above.

GASIFICATION PROCESS

A process for the manufacture of a useful product from synthesis gas having a desired hydrogen to carbon monoxide molar ratio comprises gasifying a first carbonaceous feedstock comprising waste materials and/or biomass in a gasification zone to produce a first synthesis gas; optionally partially oxidising the first synthesis gas in a partial oxidation zone to generate oxidised synthesis gas; reforming a second carbonaceous feedstock to produce a second synthesis gas, the second synthesis gas having a different hydrogen to carbon ratio from that of the first raw synthesis gas; combining at least a portion of the first synthesis gas and at least a portion of the second synthesis gas in an amount to achieve the desired hydrogen to carbon molar ratio and to generate a combined synthesis gas and subjecting at least part of the combined synthesis gas to a conversion process effective to produce the useful product.

Catalytically heated fuel processor with replaceable structured supports bearing catalyst for fuel cell

A highly compact heat integrated fuel processor, which can be used for the production of hydrogen from a fuel source, suitable to feed a fuel cell, is described. The fuel processor assembly comprises a catalytic reforming zone (29) and a catalytic combustion zone (28), separated by a wall (27). Catalyst able to induce the reforming reactions is placed in the reforming zone and catalyst able to induce the combustion reaction is placed in the combustion zone, both in the form of coating on a suitable structured substrate, in the form of a metal monolith. Fe—Cr—Al—Y steel foils, in corrugated form so as to enhance the available area for reaction, can be used as suitable substrates. The reforming and the combustion zones can be either in rectangular shape, forming a stack with alternating combustion/reforming zones or in cylindrical shape forming annular sections with alternating combustion/reforming zones, in close contact to each other. The close placement of the combustion and reforming catalyst facilitate efficient heat transfer through the wall which separates the reforming and combustion chambers.