916results about "Chemical/physical/physico-chemical moving reactors" patented technology

The present invention discloses a catalytic reaction method. Said method can make the catalytic reaction be implemented in the supergravitational field. Said method utilizes the rotary bed supergravitational field equipment as reactor, on the rotor of said rotary bed supergravitational field equipment a porous catalyst layer and/or a porous filler layer are fixed, and the described catalytic reaction is homogeneous reaction or heterogeneous reaction. Said invention cal reduce catalyst consumption, raise utilization rate of catalyst, raise stability of catalyst and can reduce denergy consumption, etc.

The present invention discloses an ultragravitational field rotation bed mass transfer and reaction equipment. Said equipment comprises machine shell, rotor, rotary foam-catching device and transmission device. The described machine shell comprises gas inlet end cover, straight cylinder section and gas outlet end cover; the described transmission device is formed from motor, transmission shaft, supporting bearing and seal system, and the described rotor is formed from dual rotors, and is consisted of two metal frames with shared bottom plate, two phases of gas and liquid can be parallelly-flowed and contacted on one rotor, and on another rotor they are counter-current-wise contacted, and the rotors are fixed on the shaft by means of shared bottom plate. Said invented equipment can be extensively used in the mass transfer and reaction process of multiphase material system of gas-liquid, gas-liquid-solid and gas-liquid-liquid.

A method for treating municipal solid waste and other waste is provided which comprises: introducing said waste into a rotary autoclave which is downwardly inclined towards its discharge end and has a door at the discharge end; and injecting steam through said door into said autoclave to treat the load. A method is also provided for treating waste, comprising steam autoclaving the waste, anaerobically digesting an organic-rich fraction of the autoclaved waste, recovering methane-containing gas from anaerobic digestion, internally combusting the methane-containing gas to generate power and exhaust gas, and generating steam for autoclaving using the waste heat. A plant for treating the waste may comprise at least one autoclave for steam treating the waste, at least one anaerobic digestion tank for digesting an organic-rich fraction of the autoclaved waste, a recovery system for recovering methane-containing gas from the or each digestion tank, at least one internal combustion engine for combusting the methane-containing gas and generating power, and a steam generator fed with combustion gas from the internal combustion engine for generating and accumulating steam for supply to said at least one autoclave. Also provided is a method of treating waste material in a rotary autoclave, which comprises: loading the waste material into a top opening of the autoclave whilst rotating the autoclave in a first direction in which screw flights within the autoclave convey the waste forwardly along a downwardly inclined body of the autoclave towards a base of the autoclave; rotating the autoclave in a second direction opposite to the first direction so as to establish a circulation of the loaded material between the upper and lower ends of the autoclave to facilitate vacuum and/or steam treatment thereof; and monitoring the load imparted by the autoclave adjacent upper and lower ends thereof during the reverse rotation, increase of the load adjacent the upper end of the autoclave providing an indication of effective load circulation. A door structure for a commercial-scale autoclave based on a castellated door and a locking ring with lock blocks of inwardly facing U-structure is also provided.

A new apparatus for design and scale-up of photocatalytic and thermocatalytic processes is disclosed. The apparatus is based on optimizing photoprocess energetics by decoupling of the process energy efficiency from the DRE for target contaminants and is applicable to both low- and high-flux photoreactor design and scale-up. The low-flux apparatus is based on the implementation of natural biopolymeric and other low-pressure drop media support for titanium dioxide and other band-gap photocatalysts and is further based on the implementation of multifunctional metal oxide aerogels and other media in conjunction with a novel rotating fluidized particle bed reactor.

The present invention discloses a method for making catalytic reaction in supergravitational field. Said method includes the following steps: after the heterogeneous catalyst is formed into liquid phase, it can be used for making catalystic reaction, and said reaction is made in the supergravitational rotary bed reactor, in which the described liquid phase formation is characterized by that the active component of catalyst is dissolved in the liquid phase reaction material or solvent to form homogeneous mixture or dispersed in the liquid phase reaction material or solvent to form emulsion

The invention relates to a manufacturing method for ordered medium aperture alumina that includes the following steps: adding surface activator into inorganic aluminum salt as template agent, making precipitant solution, adding inorganic aluminum salt solution into hypergravity reactor, adding precipitant, when the reacting solution reaching a certain pH value, the precursor sol would be gained; taking aging, filtering, washing, and drying to the precursor sol to gain precursor powder. The powder could be made into ordered medium aperture alumina after taking sintering. The invention has the advantages of simple technology, safe to operate, low cost, etc. The specific surface of the product reaches 250-300m2/g, and the shape has certain orderliness. It has crucial application value in adsorption and catalyzing process.

A decontamination apparatus is provided including an enclosure. A first and second decontamination system may be provided within the enclosure. The first and second decontamination systems may be arranged within the enclosure and configured to decontaminate the articles received in the enclosure. The first and second decontamination systems may rely on different methods of decontamination. The enclosure of the decontamination apparatus may be defined by a plurality of connected prefabricated modular walls. A mobile control and supply module may also be provided.

The invention discloses a movable stirring device of a reaction kettle. The movable stirring device comprises a base plate, threaded support rods and an upper lifting cover; the base plate is provided with the threaded support rods, and a synchronous connecting belt is connected between the threaded support rods; the right side of the bottom plate is provided with a first motor; a threaded lifting block is arranged on the periphery of each threaded support rod, the upper lifting cover is arranged between the threaded lifting blocks, and the lower end of the upper lifting cover is provided with a sealing pad, a rotating shaft, a transmission gear, a transmission chain, a fixation piece and a rotating handle; the middle of the upper lifting cover is provided with a stirring shaft, the upper lifting cover is provided with a second motor and an air pump, and the stirring shaft is provided with a stirring fan blade rod, a rotating bearing, a rotating support block, a nozzle, a support pad block, a movable pad block and a rotating sleeve ring; a connecting air pipe is arranged between the air pump and the rotating sleeve ring, and the lower end of the base plate is provided with universal wheels. According to the movable stirring device of the reaction kettle, the upper cover which movably ascends and descends can be flexibly adjusted according to the size of the kettle body, the device is more convenient to use, and the stirring shaft and the stirring fan rod can conduct air injection during processing to promote stirring.

An optical network (10) comprising an optical network element (12) comprising a first optical transmitter (14), a first controller (16), an optical receiver (18), a second optical transmitter (22), a second controller (24) and optical receiver apparatus (26). Said first controller is arranged to control said first optical transmitter to generate and transmit a first optical signal in response no second optical signal being detected. Said first controller is arranged to iteratively generate and transmit said first optical signal at different wavelengths of a plurality of wavelengths until said second optical signal is detected, and is further arranged to subsequently maintain generation and transmission of said first optical signal at said wavelength at which said second optical signal is detected. Said second controller is arranged to control said second optical transmitter to generate and transmit said second optical signal following detection of said first optical signal by said optical receiver apparatus.

The present disclosure provides a reactor for at least two liquid materials, comprising an enclosed reactor housing; a feeding tube having liquid material inlets for receiving corresponding liquid materials respectively; a distribution tube communicating with the feeding tube and extending into the reactor housing, the distribution tube being provided with a plurality of distribution holes in the region thereof extending into the reactor housing; a rotating bed in form of a hollow cylinder, which is disposed in the reactor housing via a fixing mechanism, thus dividing inner cavity of the reactor housing into a central area and an outer area, the rotating bed being capable of rotating driven by a driving mechanism; and a material outlet provided in a lower portion of the reactor housing for outputting product after reaction. The distribution tube extends into the central area spaced from inner surface of the rotating bed, so that materials can enter into the outer area from the central area through the rotating bed and can be output via the material outlet.

A process for preparing nano-class TiO2 by use of supergravitational rotating packed-bed reactor includes such steps as neutralizing-hydrolyzing reacting of TiCl4 or titanium oxygen sulfate to obtain hydrated TiO2, drying and calcining. Its advantages are uniform granularity, and high dispersity and productivity.

An apparatus, such as a plasma generation system, is provided. The apparatus can include a chamber that may be formed, for example, substantially of insulating material. The chamber can be configured to establish therein a stable glow discharge plasma having a pressure of at least about atmospheric pressure while vibrating a sample so as to be milled by bodies contained by the chamber. For example, the chamber may vibrate and/or rotate, and the chamber can include at least one body that includes insulating material and is free within the chamber. Associated methods are also provided.