Embodiments of nitric oxide (NO) generation apparatuses, systems, and methods are provided. In some embodiments, an NO generation system may include a first reservoir configured to contain a first solution, a second reservoir configured to contain a second solution, a first flow generator configured to be in fluid communication with the first reservoir, a second flow generator that may be configured to be in fluid communication with the second reservoir, and a housing configured to contain a reaction chamber and a gas chamber. The first solution may include a nitrite source. The second solution may include an acidic solution. The reaction chamber may be in fluid communication with at least one of the first flow generator and the second flow generator. The NO generation system may include a carrier gas source disposed upstream of and in fluid communication with the gas chamber.

The present invention relates to a gas/liquid reactor for the oligomerization of gaseous ethylene, comprising a gaseous ethylene injection device and a liquid injection device, said injection devices advantageously being arranged so that the injection of the liquid can bring about a reduction, by shear, of the size of the ethylene bubbles, during the injection of the gaseous ethylene. The gas/liquid reactor according to the present invention may be used for any gaseous olefinic feedstock injected into a liquid phase.

A system for generating bicarbonate solution includes a reaction vessel having an inflow of water (H.sub.2O) and sodium hydroxide (NaOH). The water and the sodium hydroxide combine to form a solution in the reaction vessel. The system also includes a gas sparger in fluid communication with the reaction vessel. The gas sparger provides an inflow of gas comprising carbon dioxide (CO.sub.2) into the solution in the reaction vessel. The system also includes at least one flow regulating component upstream from the reaction vessel and in-line with at least one of the following: the inflow of the water, the inflow of the sodium hydroxide, the inflow of the gas comprising carbon dioxide, or any combination thereof. The system also includes a controller in communication with the at least one flow regulating component. The sodium hydroxide and the carbon dioxide react to form at least bicarbonate (HCO.sub.3.sup.) in the solution.

Proposed is a fluidized bed polymerization reactor, including a plenum located in a lower part of the fluidized bed polymerization reactor, a distribution plate located inside the plenum and having a hollow center, a discharge pipe discharging polymer particles, as connected to the hollow center of the dispersion plate and having a hollow cylindrical structure, and an inlet nozzle located on the outer surface of the plenum. The fluidized bed polymerization reactor is characterized in that an acute angle () between a long axis of the inlet nozzle and a tangent of the plenum at an intersection with the long axis of the inlet nozzle is less than 90, and a distance (d) between a lowermost end of the dispersion plate and an uppermost end of the inlet nozzle is 100 mm or more.

A reactor system including a riser operatively connected to a bottom portion of a reactor, the riser being configured to receive a first spent catalyst stream comprising catalyst particles and solid carbon flowing downwards from a reaction zone in a top portion of the reactor and to combust the first spent catalyst stream to produce a mixture of a heated catalyst solid stream and a heated gas effluent, and a separator operatively connected to the top portion of the reactor and a top portion of the riser, the separator being configured to separate the heated catalyst solid stream from the heated gas effluent, wherein the heated catalyst solid stream flows downwards to the reaction zone at a temperature sufficient to crack a light hydrocarbon feed stream in the presence of fresh catalyst to produce a product effluent including hydrogen and a second spent catalyst stream.

A reactor system including a riser operatively connected to a bottom portion of a reactor, the riser being configured to receive a first spent catalyst stream comprising catalyst particles and solid carbon flowing downwards from a reaction zone in a top portion of the reactor and to combust the first spent catalyst stream to produce a mixture of a heated catalyst solid stream and a heated gas effluent, and a separator operatively connected to the top portion of the reactor and a top portion of the riser, the separator being configured to separate the heated catalyst solid stream from the heated gas effluent, wherein the heated catalyst solid stream flows downwards to the reaction zone at a temperature sufficient to crack a light hydrocarbon feed stream in the presence of fresh catalyst to produce a product effluent including hydrogen and a second spent catalyst stream.

The current invention relates to a method for producing CO from CO2, comprising the steps of: providing process gas comprising CO2, and optionally CO, to a plasma jet generator; igniting a plasma in the process gas by the plasma jet generator, thereby obtaining a plasma jet comprising CO and O species; introducing the plasma jet into a carbon reaction chamber; extracting product gas from the reaction chamber, said product gas comprising said CO and CO2 and recycling at least part of the product gas and providing said product gas comprising CO and CO2 to a plasma jet generator. The invention also relates to a system for converting CO2 to CO, comprising: a carbon reaction chamber and a plasma jet generator, wherein said gas outlet of the reaction chamber is in fluid communication with the process gas inlet of a plasma jet generator.

An internal support system for a stirred tank reactor includes at least one plate securable to one or more axial positions within a vessel of the stirred tank reactor along an impeller axis. The at least one plate has an outer portion at least partially defining a primary opening and a plurality of peripheral openings radially spaced from the primary opening. The at least one plate may further include an inner portion positioned within the primary opening and fixed to the outer portion, the inner portion being disposable about the impeller axis and at least partially defining a central opening sized to receive a rotatable impeller shaft therethrough. Each opening of the plurality of peripheral openings may be coaxial with a different port of a headplate of the stirred tank reactor when the at least one plate is secured to the axial position within the vessel.

A methane cracking apparatus includes a supply pipeline that supplies a gas, a reactor having an interior space, and in which a catalyst for decomposing the gas may be disposed in the interior space, an agitator provided in the interior space and that agitates a material in the interior space, a first discharge pipeline connected to the reactor and that discharges decomposition materials generated as the gas may be decomposed, and a second discharge pipeline connected to the reactor, that discharges the decomposition materials, and disposed on an upper side of the first discharge pipeline.

Provided is a slurry treatment apparatus includes: a treatment tank for performing any treatment of a solid-liquid reaction, a solid-gas reaction, a gas-liquid reaction, and solid-liquid separation on a slurry containing a metal or a metal compound; a first pipe; a second pipe; and a pump, in which one end of the first pipe has a suction opening for sucking the slurry from the treatment tank, the other end of the first pipe is connected to a suction port of the pump, one end of the second pipe is linked to a discharge port of the pump, the other end of the second pipe is connected to a microbubble generator, and the microbubble generator includes a throttle that throttles a flow of the slurry and a gas supply tube for supplying gas to the throttle, and supplies microbubbles to the slurry in the treatment tank.