Abstract:
A method for manufacturing a dispersion, includes a step of forming a reaction product by allowing at least two types of liquids to react with each other, the dispersion including a dispersion medium and particles formed from the reaction product dispersed therein. In the method described above, the at least two types of liquids are ejected from independently provided respective nozzles so that traveling directions of the liquids ejected therefrom intersect with each other at an angle of 120° or less and so that the liquids then flow in an integrated manner, whereby the reaction product is generated.
Abstract:
An apparatus for treating flue gas using a single-stage gas dispersing tray, which removes sulfur dioxide from the flue gas exhausted from a thermal power plant. Oxidation air is injected into the lower portion of an absorption slurry riser so as to decrease the density of a gas-liquid (slurry) mixture rising through the absorption slurry riser, and a difference of densities of absorption slurry between the inside and the outside of an overflow weir serve as a driving force for circulating the absorption slurry positioned on and under the gas dispersing tray so as to maximize the amount of the circulating absorption slurry. Thereby, the apparatus has a high SO2 removal efficiency even at a low operating pH and a low absorber pressure drop.
Abstract:
In the production process of the present invention for high purity polycrystal silicon, using a vertical reactor having a silicon chloride gas-feeding nozzle and a reducing agent gas-feeding nozzle which are disposed at an upper part and a waste gas discharge pipe, a silicon chloride gas and a reducing agent gas are fed into the reactor to form polycrystal silicon at a tip part of the silicon chloride gas-feeding nozzle by the reaction of the silicon chloride gas with the reducing agent gas, and the polycrystal silicon is allowed to grow from the tip part of the silicon chloride gas-feeding nozzle toward a lower part thereof.
Abstract:
An apparatus for manufacturing carbon nanotubes is provided. The apparatus includes a reaction chamber having a first inlet configured for introducing a carbon-containing gas thereinto and a first outlet; a heater for elevating an interior temperature of the reaction chamber, wherein the reaction chamber is configured for accommodating a substrate and the first inlet defines a route for channeling the introduced carbon-containing gas toward the substrate, the route being substantially perpendicular to a main plane of the substrate.
Abstract:
An apparatus for processing oil sand to produce a liquid stream comprising water and bitumen and a solid stream comprising solid particles, and a method and control system for controlling the apparatus. The apparatus includes a drum having first and second ends, a conditioning zone adjacent the first end, a compressing zone adjacent the second end and a processing zone therebetween. A rotatable spiral trough, having lifting members therein, extends through each zone for imparting a spiral rolling motion to the oil sand. An oil sand inlet communicates with the conditioning zone, while a water inlet communicates with the processing zone. A liquid stream outlet is located at the first end of the drum, while a solid stream outlet is located adjacent the second end. Preferably, the spiral trough has a width through the compressing zone less than through the processing zone and a height through at least a portion of the compressing zone greater than through the processing and conditioning zones.
Abstract:
Described are a process and method to synthesize ultrafine materials such as metal oxides and highly dispersed mixed metal oxides. A process for forming an ultrafine material comprises mixing two or more liquid precursor compositions in a mixing apparatus to form a precursor mixture, wherein the mixing apparatus is in fluid communication with an atomizer; atomizing the precursor mixture in the atomizer to form droplets; directing the droplets to a reaction chamber in communication with a volumetric heating source, wherein the a reaction chamber is in fluid communication with the atomizer; volumetrically heating the droplets to produce the ultrafine material; and isolating the ultrafine material.
Abstract:
An exhaust gas containing a perfluoride component (PFC) and SiIF4 is conducted into a silicon remover and brought into contact with water. A reaction water supplied from a water supplying piping and air supplied from an air supplying piping are mixed with the exhaust gas exhausted from the silicon remover. The exhaust gas containing water, air, and CF4 is heated at 700° C. by a heater. The exhaust gas containing PFC is conducted to a catalyst layer filled with an alumina group catalyst. The PFC is decomposed to HF and CO2 at a high temperature exhausted from the catalyst layer is cooled in a cooling apparatus. Subsequently, the exhaust gas is conducted to an acidic gas removing apparatus to remove HF. In this way, the silicon component is removed from the exhaust gas before introducing the exhaust gas into the catalyst layer. Therefore, the surface of the catalyst can be utilized effectively, and the decomposition reaction of the perfluoride compound can be improved.
Abstract:
A dosing device is for liquid fuels, e.g., for input into a chemical reformer in order to recover hydrogen, or into a secondary combustion device in order to generate heat. The dosing device has at least one metering device for metering fuel into a metering conduit, and a nozzle body, adjoining the metering conduit, having at least one spray discharge opening that opens into a metering chamber. The dosing device furthermore has a nozzle body that has a downstream support element with a swirl insert, disposed on the spray-discharge side, in which the at least one spray discharge opening is disposed.
Abstract:
A dosing device (1) for liquid fuels, in particular for input into a chemical reformer in order to recover hydrogen, having at least one metering device (2) for metering fuel into a metering conduit (12) and having a nozzle body (7), adjoining the metering conduit (12), having spray discharge openings (6) which open into a metering chamber (10), the nozzle body (7) projecting with a spherical portion at the spray-discharge end into the metering chamber (10), and the spray discharge openings (6) being distributed over the spherical portion of the nozzle body (7).
Abstract:
A feed nozzle assembly suitable for use in synthesis and combustion reactions involving gas/liquid reaction systems comprises a plurality of nozzles positioned such that their sprays impinge upon one another to obtain improved, or maintain acceptable, drop size, measured as Sauter mean diameter, by suitably balancing impact destruction and coalescence of drops. This feed nozzle assembly can be incorporated into a burner apparatus combining annular areas with stepped extended barriers for feeding oxygen and moderator gas, e.g., steam, all preferably within an exterior annular cooling means such as a water jacket.