The disclosure relates to a process to perform an endothermic steam reforming of hydrocarbons, said process comprising the steps of providing a fluidized bed reactor comprising at least two electrodes and a bed comprising particles, wherein the particles are put in a fluidized state to obtain a fluidized bed; heating the fluidized bed to a temperature ranging from 500° C. to 1200° C. by passing an electric current through the fluidized bed to conduct the endothermic reaction. The process is remarkable in that the particles of the bed comprise electrically conductive particles and particles of a catalytic composition, wherein at least 10 wt. % of the particles are electrically conductive particles and have a resistivity ranging from 0.001 to 500 Ohm.Math.cm at 800° C. and in that the step of heating the fluidized bed is performed by passing an electric current through the fluidized bed.

A molding comprising a mixed oxide, wherein the mixed oxide comprises oxygen, lanthanum, aluminum, and cobalt, wherein in the mixed oxide, the weight ratio of cobalt relative to aluminum, calculated as elements, is at least 0.17:1. A preparation method by a dry route. Use of the molding as a catalyst for the reforming of hydrocarbons into a synthesis gas.

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.

A device for generating a gas by putting a liquid into contact with a catalyst includes an enclosure defining a first chamber for containing the liquid and a second chamber for containing the catalyst. A valve member is mounted to move inside the enclosure between a closed position in which the first chamber and the second chamber are isolated from each other and an open position in which the first chamber and the second chamber are in fluid-flow communication. Accordingly, the valve member is connected to an elastically-deformable diaphragm forming a wall of the enclosure. The diaphragm is coupled to an actuator arranged outside the enclosure to deform said diaphragm in such a manner as to move the valve member between the closed position and the open position.

A method of dry reforming of methane (CH.sub.4) is provided. The method includes contacting at a temperature of 500 to 1000 degree Celsius (° C.) a reactant gas mixture including methane and carbon dioxide (CO.sub.2) with a bimetallic supported catalyst. The bimetallic supported catalyst includes a porous catalyst support and a bimetallic catalyst. The porous catalyst support includes aluminum oxide (Al.sub.2O.sub.3) and magnesium oxide (MgO). The bimetallic catalyst includes nickel (Ni) and copper (Cu) disposed on the porous catalyst support. The method further includes collecting a product gas mixture including hydrogen (H.sub.2) and carbon monoxide (CO). The bimetallic supported catalyst includes 8 to 16 weight percent (wt. %) nickel and 2 to 14 wt. % copper, each based on a total weight of bimetallic supported catalyst.

The invention relates to a process for the production of hydrogen-enriched synthesis gas by a catalytic water-gas shift reaction, comprising the steps: introducing a gaseous flow (1) comprising at least one organic sulphide, optionally in its oxide form, in a first reactor (2) comprising a catalyst X.sub.1, collecting a sulfur-containing gaseous flow (3) from the first reactor, introducing the raw synthesis gas (4) in a second reactor (6), introducing the sulfur-containing gaseous flow (3) in the second reactor where the catalytic water-gas shift reaction takes place and comprising a sulfur-resistant shift catalyst X.sub.2, collecting an outlet flow (7) comprising hydrogen-enriched synthesis gas from the second reactor.

The invention also relates to the use of said at least one organic sulphide, optionally in its oxide form, in a process for the production of hydrogen-enriched synthesis gas by a catalytic water-gas shift reaction.

A catalyst system, which is active in pyrolyzing methane at reaction temperatures above 700° C., comprising a molten salt selected from the group consisting of the halides of alkali metals; the halides of alkaline earth metals; the halides of zinc, copper, manganese, cadmium, tin and iron; and mixtures thereof, the molten salt having dispersed therein one or more catalytically active forms of iron, molybdenum, manganese, nickel, cobalt, zinc, titanium, and copper in the form of finely divided elemental metals, metal oxides, metal carbides or mixtures thereof.

Proposed is a carbon dioxide reforming (CDR) reactor having a multilayered catalyst layer arrangement for preventing catalyst deactivation, wherein, in the reactor in which a CDR reaction for reacting methane (CH.sub.4) with carbon dioxide (CO.sub.2) to reform the methane into a synthesis gas including carbon monoxide (CO) and hydrogen (H.sub.2) is performed, in order to prevent a case where an endothermic reaction between a catalyst and heated reactant gas supplied to the reactor gradually causes the temperature of the reactant gas to decrease and the catalyst is deactivated by cokes generated due to the decrease in temperature of the reactant gas, CDR catalysts in the reactor are arranged in multiple layers in a multilayered structure to allow the reactant gas temperature that has decreased due to the endothermic reaction to be restored in spaces between the catalyst layers.

A catalyst structure includes a carrier having a porous structure composed of a zeolite type compound and at least one catalytic material existing in the carrier. The carrier has channels communicating with each other, and the catalytic material is a metal fine particle and exists at least in the channel of the carrier.

The present disclosure is directed to systems and methods for reforming methane into hydrogen and a hydrocarbon fuel. In example embodiments, the methane reformer integrates a photocatalytic steam methane reforming (P-SMR) system with a subsequent photocatalytic dry methane reforming (P-DMR) system.