A catalyst for catalytic reactors of which the outer shape is a helix with n blades, where n is greater than or equal to 1, wherein the stack void fraction percentage is between 75% and 85% and the surface area/volume ratio is greater than 1000 square meters/square meters.

A hydrogen generating apparatus includes a reformer generating hydrogen-containing gas through a reforming reaction, a raw material supplier supplying a raw material to the reformer, a reaction gas supplier supplying reaction gas other than the raw material to the reformer, a hydro-desulfurizer removing a sulfur compound in the raw material supplied to the reformer, a recycle flow passage through which part of the hydrogen-containing gas generated by the reformer is supplied to the hydro-desulfurizer, a closing device that closes the recycle flow passage, and a controller that, when stopping operation, closes the closing device and controls the raw material supplier and the reaction gas supplier such that the raw material and the reaction gas are supplied to the reformer, before a temperature of the reformer drops down to a temperature at which deposition of carbon from the raw material on a reformation catalyst disposed inside the reformer is suppressed.

The present invention relates to a process for production of hydrogen at low temperature starting from alcohols without formation of carbon using an oxyhydride material based on cerium and nickel and to the use of such a material as catalyst for transformation of alcohols to hydrogen.

A method and apparatus for the reduction of carbon dioxide emissions by the on-hoard treatment of a portion or all of the hydrocarbon fuel used to power an internal combustion engine mounted in a conventional transportation vehicle, utilize known decarbonization technology to break the fuel's hydrogen-carbon bond. The compounds are then cooled and separated into (1) elemental carbon powder that is stored on-board for later recovery and industrial use, and (2) hydrogen, or a hydrogen-rich gas stream, that is burned as a fuel in the ICE and/or diverted to other on-board energy related applications.

The present disclosure provides a method for producing hydrogen in an aqueous phase reforming process using a water-soluble oxygenated hydrocarbon under improved conditions. The present method can be used to produce hydrogen from glycerol at reduced pressure and significantly increased hydrogen yield.

Hydrogen purification devices and their components are disclosed. In some embodiments, the devices may include at least one foil-microscreen assembly disposed between and secured to first and second end frames. The at least one foil-microscreen assembly may include at least one hydrogen-selective membrane and at least one microscreen structure including a non-porous planar sheet having a plurality of apertures forming a plurality of fluid passages. The planar sheet may include generally opposed planar surfaces configured to provide support to the permeate side. The plurality of fluid passages may extend between the opposed surfaces. The at least one hydrogen-selective membrane may be metallurgically bonded to the at least one microscreen structure.

The present disclosure provides reactor systems and methods that use in-line measurement of refractive index for monitoring and controlling a catalytic reaction for hydrogen production. An outcome of the catalytic reaction (e.g., total organic carbon level) can be determined using the refractive index data measured in-line from a product stream. Advantageously, the present reactor system can include a control unit for acquiring in-line refractive index data, determining the reaction outcome, and adjusting the catalyst and/or reaction conditions according to the determined outcome, so that progress of the catalytic reaction can be controlled automatically.

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.

The present disclosure relates to methods, processes, and systems for utilizing the dehydrogenation of 2-butanol for hydrogen consuming reactions of biomass or biomass-derived molecules. The present invention relates to methods, processes, and systems for utilizing the dehydrogenation of 2-butanol for hydrogen consuming hydrogenation, hydrogenolysis, or hydrodeoxygenation reactions of biomass or biomass-derived molecules.

Hydrogen generation assemblies and methods of generating hydrogen are disclosed. In some embodiments, the method may include receiving a feed stream in a fuel processing assembly of the hydrogen generation assembly; and generating a product hydrogen stream in the fuel processing assembly from the received feed stream. Generating a product hydrogen stream may, in some embodiments, include generating an output stream in a hydrogen generating region from the received feed stream, and generating the product hydrogen stream in a purification region from the output stream. The method may additionally include receiving the generated product hydrogen stream in a buffer tank of the hydrogen generation assembly; and detecting pressure in the buffer tank via a tank sensor assembly. The method may further include stopping generation of the product hydrogen stream in the fuel processing assembly when the detected pressure in the buffer tank is above a predetermined maximum pressure.