Abstract: A scrubber may include a plasma processing unit including a plasma generating device and a power generating device, a combustion processing unit including a combustor, which is used to form a flame, a connection conduit connected to the plasma processing unit and spaced apart from the combustion processing unit, and a back-end processing unit connected to the combustion processing unit. The connection conduit may be used to supply a waste gas to the plasma generating device, and the plasma generating device may be configured to form plasma using the waste gas. The plasma and combustion processing units may be configured to provide a first reaction space, in which the plasma is formed, and a second reaction space, in which the flame is formed.

Abstract: Provided is a system for supplying a reformed product from by-product gas to a catalyst regenerator of a catalytic olefins production process. The system includes a reactor configured to mix naphtha and a catalyst to produce olefins through a cracking reaction of naphtha, and then separate the coked catalyst and olefins to discharge the coked catalyst, a catalyst regenerator configured to regenerate the coked catalyst introduced from the reactor and recirculate and supply the regenerated catalyst to the reactor, an air supplier configured to supply burning air to the catalyst regenerator, and a catalytic partial oxidation reformer configured to reform by-product gas containing methane as a main component to supply a reformed product containing hydrogen and carbon monoxide as a main component to the catalyst regenerator and regenerate the coked catalyst.

Abstract: An apparatus for producing ammonia using electric discharge of water according to an embodiment of the present invention includes a plasma decomposition reaction part configured to produce hydrogen (H2) and oxygen (O2) from water by supplying the water to plasma generated by using nitrogen gas (N2) as electric discharge gas and produce nitrogen monoxide (NO) and nitrogen dioxide (NO2) by allowing oxygen (O2) to react with nitrogen (N2), a thermal decomposition reaction part connected to a lower side of the plasma decomposition reaction part and configured to produce solid carbon and hydrogen (H2) by decomposing water and hydrocarbon by further supplying hydrocarbon or hydrogen to an additional supply port, and a synthetic catalyst part connected to the thermal decomposition reaction part and configured to produce ammonia (NH3) by synthesizing hydrogen (H2) and nitrogen monoxide (NO) separated from water.

Abstract: An apparatus for depolymerizing a hydrocarbon-based material according to an embodiment of the present disclosure includes a supply unit configured to supply a liquid hydrocarbon, a plasma generation unit configured to generate plasma for supplying thermal energy to the hydrocarbon in the supply unit, a reaction unit provided between the supply unit and the plasma generation unit and configured to convert the liquid hydrocarbon, and a separation unit connected to the reaction unit and configured to separate an unreacted hydrocarbon, a liquid product, and a gaseous product of an aromatic compound that is created by conversion in the reaction unit and introduced.

Abstract: An ammonia generator using plasma according to an embodiment of the present invention includes a plasma reactor that generates a plasma discharge using nitrogen (N2) as a discharge gas, generates hydrogen (H2) and oxygen (O2) from water (H2O) using energy of the plasma, generates nitrogen monoxide (NO) from the oxygen (O2) and the nitrogen (N2), and supplies the hydrogen (H2) and the nitrogen monoxide (NO), a first reactor that generates ammonia (NH3) by first action on the nitrogen (N2), the nitrogen monoxide (NO), and the hydrogen (H2) supplied from the plasma reactor, and a second reactor that additionally generates the ammonia (NH3) by second action on a nitrate solution (NO3?) generated in the plasma reactor.

Abstract: The present disclosure provides a biogas reformer in which a portion of biogas feed can be combusted in a burner to supply the required heat amount to a catalytic reactor without supplying heat from an external heat source, and the CO2:CH4 ratio can be adjusted to be advantageous for a catalytic reforming reaction of the biogas by supplying a combustion effluent together with the biogas feed to the catalytic reactor.

Abstract: A catalyst regenerator for regenerating a coked catalyst produced along with a olefin by mixing naphtha and a catalyst with each other to cause a naphtha cracking reaction, and falling from a cyclone which separates the coked catalyst and the olefin produced from the naphtha cracking reaction, includes: a vessel accommodating a catalyst layer formed by stacking the catalyst; a partial oxidation burner producing a high-temperature gas containing solid carbon; and supply nozzles connected to the partial oxidation burner, installed on a bottom of the vessel toward the falling catalyst and the catalyst layer, and spraying the high-temperature gas containing the solid carbon to the catalyst and the catalyst layer.

Abstract: A method of converting a hydrocarbon-based material into acetylene or ethylene according to an embodiment of the present invention includes a supply step of supplying a gaseous or liquid hydrocarbon-based material to a plasma reactor, and a temperature control step of creating a temperature condition of a decomposition reaction of converting the hydrocarbon-based material into acetylene or ethylene in a reaction space in the plasma reactor.

Abstract: A catalyst regenerator according to an embodiment of the present invention, as a catalyst regenerator that regenerates a coked catalyst separated from a product produced in an endothermic catalytic reaction of a fluidized bed reactor, includes: a reaction chamber that includes a regeneration space, receives the coked catalyst from a standpipe connected to the regeneration space, and discharges a regenerated catalyst to an outlet; a fuel supplier that is connected to the reaction chamber to inject a fuel for combustion into the regeneration space; and a fuel supplier that is connected to the reaction chamber to inject an air for combustion into the regeneration space, wherein the fuel injected from the fuel supplier is a reformed fuel containing hydrogen and carbon monoxide.

Abstract: A process discharge gas polluted material removal device with a regenerating means of a polluted oxidation catalyst includes: an oxidation catalyst tower connected to a pipe circulating a process discharge gas including a combustible material, an organic material, an inorganic material, and nitrogen oxide and having a first temperature and having an oxidation catalyst embedded therein, the oxidation catalyst oxidizing and removing the combustible material; and a plasma reactor connected to the oxidation catalyst tower in front of the oxidation catalyst, generating a synthesis gas including hydrogen and having a high temperature of 300° C. or more by a plasma reaction, and supplying the synthesis gas including the hydrogen to the oxidation catalyst to regenerate the oxidation catalyst poisoned by the organic material and the inorganic material.

Abstract: A catalyst regenerator according to an embodiment of the present invention, as a catalyst regenerator that regenerates a coked catalyst separated from a product produced in an endothermic catalytic reaction of a fluidized bed reactor, includes: a reaction chamber that includes a regeneration space, receives the coked catalyst from a standpipe connected to the regeneration space, and discharges a regenerated catalyst to an outlet; a fuel supplier that is connected to the reaction chamber to inject a fuel for combustion into the regeneration space; and a fuel supplier that is connected to the reaction chamber to inject an air for combustion into the regeneration space, wherein the fuel injected from the fuel supplier is a reformed fuel containing hydrogen and carbon monoxide.

Abstract: A laser-induced breakdown spectroscope according to an exemplary embodiment of the present invention includes: a laser head which emits a laser beam; a focusing lens which focuses the laser beam on a target specimen; a plasma reactor unit which amplifies first plasma, which is generated on the target specimen positioned at a focal point of the laser beam passing through the focusing lens, by controlling electron density and electron energy of the first plasma; a collection lens which focuses second plasma amplified by the plasma reactor unit; and a spectrophotometer which analyzes the second plasma focused by the collection lens.

Abstract: Provided are a communication method based on a peak-to-average ratio (PAPR) and a transmission apparatus and a receive apparatus using the same and a communication method based on a peak-to-average ratio (PAPR) by a transmission apparatus according to an exemplary embodiment of the present disclosure includes: obtaining each of PAPR values corresponding to respective data symbols from a lookup table having a unique PAPR value; Generating a synchronization signal configured in a random sequence based on a the PAPR value of each data symbol; and transmitting the synchronization signal.

Abstract: A catalyst regenerator includes: a container including a catalyst inlet through which a coked catalyst is introduced and a catalyst outlet to which a regenerated catalyst is discharged; a first supply unit formed below the catalyst inlet and supplying a syngas containing solid carbon to the coked catalyst introduced into the container; and a second supply unit formed below the first supply unit and supplying high-temperature air into the container.

Abstract: Provided are a communication method based on a peak-to-average ratio (PAPR) and a transmission apparatus and a receive apparatus using the same and a communication method based on a peak-to-average ratio (PAPR) by a transmission apparatus according to an exemplary embodiment of the present disclosure includes: obtaining each of PAPR values corresponding to respective data symbols from a lookup table having a unique PAPR value; Generating a synchronization signal configured in a random sequence based on a the PAPR value of each data symbol; and transmitting the synchronization signal.

Abstract: A catalyst regenerator includes: a container including a catalyst inlet through which a coked catalyst is introduced and a catalyst outlet to which a regenerated catalyst is discharged; a first supply unit formed below the catalyst inlet and supplying a syngas containing solid carbon to the coked catalyst introduced into the container; and a second supply unit formed below the first supply unit and supplying high-temperature air into the container.

Abstract: A catalyst regenerator mixing naphtha and a catalyst with each other to cause a naphtha cracking reaction, separating a coked catalyst and produced olefin from each other, and regenerating the coked and falling catalyst, includes: a vessel accommodating a catalyst layer formed by stacking the catalyst; a partial oxidation burner producing a high-temperature gas containing solid carbon; and supply nozzles connected to the partial oxidation burner, installed on a bottom of the vessel toward the falling catalyst and the catalyst layer, and spraying the high-temperature gas containing the solid carbon to the catalyst and the catalyst layer.

Abstract: A plasma selective catalytic reduction (SCR) system according to an exemplary embodiment of the present invention includes: an exhaust pipe connected to an engine to communicate exhaust gas; a plasma burner installed in a first bypass line connected to the exhaust pipe, and configured to supply fuel to discharged plasma and form flame; a urea solution injector installed in the first bypass line at a rear side of the plasma burner, and configured to inject a urea solution to exhaust gas heated by the flame and generate ammonia; and an SCR catalyst installed in the exhaust pipe at a rear side of the urea solution injector, and configured to reduce a nitrogen oxide included in the exhaust gas with the ammonia.

Abstract: According to an exemplary embodiment in the present disclosure, a crack measurement device and a crack measurement method are provided. The crack measurement device according to an exemplary embodiment in the present disclosure includes: an ultrasonic sensor irradiating a first ultrasonic wave in a direction perpendicular to a bottom surface of an object to be inspected, so as to be focused on the bottom surface of the object to be inspected and receiving a reflected wave, reflected from the bottom surface of the object to be inspected; and a monitoring unit providing information on a crack on the basis of intensity of the reflected wave.

Abstract: A process discharge gas polluted material removal device with a regenerating means of a polluted oxidation catalyst includes: an oxidation catalyst tower connected to a pipe circulating a process discharge gas including a combustible material, an organic material, an inorganic material, and nitrogen oxide and having a first temperature and having an oxidation catalyst embedded therein, the oxidation catalyst oxidizing and removing the combustible material; and a plasma reactor connected to the oxidation catalyst tower in front of the oxidation catalyst, generating a synthesis gas including hydrogen and having a high temperature of 300° C. or more by a plasma reaction, and supplying the synthesis gas including the hydrogen to the oxidation catalyst to regenerate the oxidation catalyst poisoned by the organic material and the inorganic material.