A system to generate gases from a liquid or a solid source including a generator, a dual arbitrary generator, a turbine, a thermoelectric generator, a pulse-width modulation device, a suction pump, a radiolytic cell, and magnets. The radiolytic cell includes a body, a first disk, a second disk having a plurality of perforations, and a plurality of radiotrodes. Each radiotrodes includes a large diameter tube, a small diameter tube concentric with the large diameter tube, and metallic wires having an end fixed into an upper section of the large and small diameter tubes and to lower sections of the large and small diameter tubes. The second ends of each one of the metallic wires are connected into the perforations of the corresponding first disk or second disk. The radiotrodes hang up inside the radiolytic cells by the metallic wires producing movement or vibration of the radiotrodes inside the radiolytic cell.

A process for producing a gas stream comprising carbon monoxide comprising the steps of (a) feeding a gas mixture comprising carbon dioxide and hydrogen to a burner and combusting it with a sub-stoichiometric amount of an oxygen gas stream to form a combusted gas mixture comprising carbon monoxide, carbon dioxide, hydrogen and steam, (b) passing the combusted gas mixture through a bed of reverse water-gas shift catalyst to form a crude product gas mixture containing carbon monoxide, steam, hydrogen and carbon dioxide, (c) cooling the crude product gas mixture to below the dew point and recovering a condensate to form a dewatered product gas, (d) removing carbon dioxide from the dewatered product gas in a carbon dioxide removal unit to form the gas stream comprising carbon monoxide, and (e) combining carbon dioxide recovered by the carbon dioxide removal unit with the gas mixture comprising hydrogen and carbon dioxide.

The present invention is a catalyst for a photocatalytic reaction for the production of hydrogen by hydrolysis and a preparation method thereof. A preparation method of a catalyst for a photocatalytic reaction for the production of hydrogen by hydrolysis, comprising: after dispersing the ZnO nanorods into a solvent, adding TiCl.sub.4 and water, followed by hydrothermal treatment, washing and drying to obtain a ZnO@TiO.sub.2(B) nanoflower catalyst, i.e. the catalyst. According to the present invention, a catalyst for a photocatalytic reaction for the production of hydrogen by hydrolysis and a preparation method thereof, embedding ZnO nanocrystals into a TiO.sub.2(B) lattice can improve the stability of photocatalytic hydrogen production.

The present invention discloses photostable composite of indium gallium nitride and zinc oxide for solar water splitting, comprising Indium content in the range of 1-40 wt %, Ga content in the range of 1 to 15 wt %, nitrogen content in the range of 0.1 to 5 wt %, and the remaining is ZnO. The combustion synthesis comprises the steps of: (a) dissolving 45 to 55 wt % urea, 75 to 80 wt % Zinc nitrate, 3 to 5 wt % Gallium nitrate, and 15 to 20 wt % Indium nitrate in water with stirring until a homogenous solution is formed; and (b) heating the homogenous solution of step (a) at a temperature in the range of 450-550 [deg.]C. for period in the range of 2 to 20 min to obtain the photostable composite.

A system for obtaining power by the use of low-quality hydrocarbons and hydrogen produced from the water in the generation of combustion energy having: a combustion chamber; a nozzle support module located at the proximal extremity of the combustion chamber; at least one principal nozzle (S) and at least one start-up burner nozzle (P), a number of spark igniter electrodes (H) located in the nozzle support module; at least three hermetic chambers connected in series covering the length of a flame, where a vaporisation chamber, a gasification chamber and at least one thermal cracking chamber surround the combustion chamber; a flame outlet, located at the distal extremity of the combustion chamber.

The present invention provides an impregnated catalyst composition for production of pure hydrogen comprising: 10 wt %-50 wt % metal oxide; 1 wt %-15 wt % promoter; and 60 wt %-90 wt % support material. Another aspect of the present invention is to provide a method of preparation of an impregnated catalyst for pure hydrogen production (10) and a method for producing pure hydrogen (20) according to the impregnated catalyst of the present invention. The present invention is able to reduce the reaction temperature by 1 to 2 folds and also able to reduce the usage of energy but maintain its good production quality. Besides, selectivity of the present invention is high, hence able to produce high purity of hydrogen.

A hydrogen production system includes: a hydrogen compound slurry in which a hydrogen compound member is suspended in a solvent containing water; a first vessel; a second vessel having an internal temperature higher than that of the first vessel; a first passage connecting the first vessel and the second vessel; and a second passage connecting the first vessel and the second vessel and different from the first passage. The hydrogen production system is configured to allow the hydrogen compound slurry contained in the first vessel to move into the second vessel through the first passage, and the hydrogen compound slurry contained in the second vessel to move into the first vessel through the second passage.

The present disclosure discloses a device for producing hydrogen through photothermal coupling of solar energy based on a frequency division technology, including a photothermal coupling reactor and a liquid storage tank and so on; during operation, a test sample containing a photothermal catalyst is placed in the photothermal coupling reactor, a light source is divided into an infrared light part and an ultravioiet light part through the solid-state frequency divider, energy of the infrared light part is finally transferred to the photothermal coupling reactor, and the ultraviolet light part is projected onto the photothermal catalyst. The present disclosure is used for an experiment for producing hydrogen through photothermal coupling of catalyst particles, and has advantages of environmental protection, high efficiency, simple and convenient operation and the like.

A method for preparing a metal-free few-layer phosphorous nanomaterial. The method comprises an ice-assisted exfoliation process (or solvent ice-assisted exfoliation process). The method allows for the preparation of a few-layer phosphorous nanomaterial with improved yield and reduced duration and exfoliation power. The few-layer phosphorous nanomaterial is used in the preparation of a photocatalyst. The photocatalyst exhibits a long-term stability, high photocatalytic H.sub.2 evolution efficiency from water, and good stability under visible light irradiation.

A process and apparatus for the production of hydrogen There is provided a process for the production of hydrogen, the process comprising: electrolysing water in an electrolytic cell to produce hydrogen gas and oxygen gas, the electrolytic cell having a first outlet for hydrogen gas; passing the hydrogen gas from the first outlet of the electrolytic cell to a reaction chamber, the reaction chamber comprising a first inlet for receiving the hydrogen gas from the electrolytic cell and a second outlet for hydrogen gas passing out of the reaction chamber, the reaction chamber containing one or more pieces of a metal or an alloy thereof at least partially submerged in an alkali solution, wherein the first inlet is arranged so that the hydrogen gas bubbles through the alkali solution; passing the hydrogen gas from the second outlet to a gas-cleaning chamber, the gas-cleaning chamber comprising a second inlet for receiving hydrogen gas from the reaction chamber and a third outlet for hydrogen gas passing out of the cleaning chamber, the gas-cleaning chamber containing an aqueous solution, wherein the second inlet is arranged so that the hydrogen gas bubbles through the aqueous solution; and recovering hydrogen gas from the third outlet.