A plasma processing method for a gas comprises supplying a gas inside a cavity for plasma processing, supplying microwaves having a predetermined frequency and power in order to generate a plasma of the gas, and propagating the microwaves in the gas by means of a waveguide which communicates directly with the cavity so as to provide a plasma cracking processing operation for the gas inside the cavity (2).

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.

An apparatus (1) for thermal denitration of a uranyl nitrate hydrate to uranium trioxide UO3. The apparatus (1) comprises a burner (114) and a reaction chamber (110) configured to carry out thermal denitration of uranyl nitrate hydrate and to form uranium trioxide UO3 in the form of particles. The apparatus also comprises a separating chamber (120) suitable for separating UO3 particles from the gases resulting from the thermal denitration carried out in the reaction chamber (110), and at least one filter (130) configured for purifying the gases. The separating chamber (120) is a decanting chamber into which the reaction chamber (110) directly opens out. The filter (130) is capable of performing the separation at a temperature greater than or equal to 350° C. The invention also relates to use of such an apparatus, to a thermal denitration process and to UO3 particles obtained by such a process.

The inventions is directed to a new design for catalyst tubes, which makes it possible to apply the concept of regenerative reforming into steam reformers having catalyst tube inlets and outlets at opposite sides of the furnace chamber. The catalyst tube comprises an inlet for process gas to enter the catalyst tube and an outlet for process gas to exit the catalyst tube, which inlet and outlet are located at opposite ends of the catalyst tube. The catalyst tube further comprises a first annular channel comprising the catalyst, a second annular channel for process gas to flow countercurrently or co-currently to the process gas flowing through the first annular channel.

The inventions is directed to a new design for catalyst tubes, which makes it possible to apply the concept of regenerative reforming into steam reformers having catalyst tube inlets and outlets at opposite sides of the furnace chamber. The catalyst tube comprises an inlet for process gas to enter the catalyst tube and an outlet for process gas to exit the catalyst tube, which inlet and outlet are located at opposite ends of the catalyst tube. The catalyst tube further comprises a first annular channel comprising the catalyst, a second annular channel for process gas to flow countercurrently or co-currently to the process gas flowing through the first annular channel.

A system for converting fuel is provided and includes a first reactor comprising a plurality of ceramic composite particles, the ceramic composite particles comprising at least one metal oxide disposed on a support, wherein the first reactor is configured to reduce the at least one metal oxide with a fuel to produce a reduced metal or a reduced metal oxide; a second and reactor configured to oxidize at least a portion of the reduced metal or reduced metal oxide from the said first reactor to produce a metal oxide intermediate; a source of air; and a third reactor communicating with said source of air and configured to regenerate the at least one metal oxide from the remaining portion of the solids discharged from the said first reactor and the solids discharged from the said second reactor for by oxidizing the metal oxide intermediate.

An apparatus (1) for thermal denitration of a uranyl nitrate hydrate to uranium trioxide UO3. The apparatus (1) comprises a burner (114) and a reaction chamber (110) configured to carry out thermal denitration of uranyl nitrate hydrate and to form uranium trioxide UO3 in the form of particles. The apparatus also comprises a separating chamber (120) suitable for separating UO3 particles from the gases resulting from the thermal denitration carried out in the reaction chamber (110), and at least one filter (130) configured for purifying the gases. The separating chamber (120) is a decanting chamber into which the reaction chamber (110) directly opens out. The filter (130) is capable of performing the separation at a temperature greater than or equal to 350 C. The invention also relates to use of such an apparatus, to a thermal denitration process and to UO3 particles obtained by such a process.

A method for processing liquids and suspensions using shockwaves that includes providing an apparatus including a shockwaves generation and processing sections and a reaction products dumping tank or reservoir; placing media to be processed into the shockwaves processing section through continuous or intermittent injection; introducing a pressurizing gas into the shockwaves generation section; introducing a detonable mixture into the shockwaves generation section; causing formation of at least one of a shockwave within the shockwaves generation section by igniting the detonable mixture so that at least one of a shockwave propagates from detonation section into shockwaves processing section; utilizing physical, chemical, biological or mechanical effects of the shockwaves in the shockwaves processing section; purging detonation products and pressurizing gas from the shockwaves generation section into reaction products dumping tank; and repeating to achieving a pre-determined degree of processing liquids, liquid suspension, colloids, gels, pastes located in the shockwaves processing section.

Provided are a system for producing a polyolefin, a method of producing a polyolefin, and a method of producing a heterophasic propylene polymer material, each of which allows (i) a gel, to be contained in a molded product that is made of an obtained polyolefin, to be reduced and (ii) a polyolefin to be continuously produced stably. A polyolefin producing system (1) includes: a cylindrical member which extends in a vertical direction; diameter decreasing members each of which is provided to the cylindrical member, each of the diameter decreasing members having (i) an inner diameter that decreases as the each of the diameter decreasing members extends downward and (ii) a gas inlet opening at a lower end of the each of the diameter decreasing members; spouted bed type olefin polymerization reaction regions (25) each of which is surrounded by (a) an inner surface of a corresponding one of the diameter decreasing members and (b) part of an inner surface of the cylindrical member which part extends upward from the corresponding one of the diameter decreasing members, each of the spouted bed type olefin polymerization reaction regions (25) being a region in which a spouted bed is formed, the number of the spouted bed type olefin polymerization reaction regions (25) being 3 or more; and at least one fluidized bed type olefin polymerization reaction region which is provided at a stage subsequent to the spouted bed type olefin polymerization reaction regions (25).

A helical photoreactor includes a lamp module and a tube coil, which has a plurality of tube windings between an input section and an output section. The tube coil is arranged around the lamp module. The helical photoreactor has a carrier device, which carries the tube coil, and a protective housing, which surrounds a receiving space, in which the carrier device with the tube coil and the lamp module are arranged. The carrier device provides a predetermined positioning of the tube coil with respect to the lamp module and the protective housing. An elongated guide element, on which an engagement element is arranged so as to be capable of being guided in a longitudinally movable manner and so as to be capable of being positioned. The elongated guide element specifies the positioning of the carrier device with the tube coil by the engagement element guided on the elongated guide element.