Abstract: The present invention provides zeolite hollow spheres in which zeolite crystals grow to form a framework of macropore through a hydrothermal crystallization process using the hydrophilic surface of a carbon sphere as a hard template, wherein the zeolite framework is an ordered, porous crystalline zeolite material with a number of channels or pores interconnected, which has two independent pore structures including mesopores and micropores. The zeolite hollow spheres of the present invention can be used for various purposes such as catalysts and adsorbents.

Abstract: Provided are a dielectric barrier discharge (DBD) plasma reactor including dielectric particles in a packed-bed in a discharge zone, e.g., a DBD plasma reactor for non-oxidative coupling of methane in which an average gap distance between dielectric particles in the packed-bed is adjusted to improve methane conversion and/or product selectivity; a method of regenerating dielectric particles including removing coke, which sis produced by side reactions, from the dielectric particles deactivated by the coke by using a low temperature plasma in an oxidizing atmosphere in the reactor; a method of manufacturing C2+ hydrocarbons, the method including converting methane into C2+ hydrocarbons including ethylene and/or ethane by non-oxidative coupling of methane in the reactor; and a method of manufacturing hydrogen, the method including generating hydrogen from methane by non-oxidative coupling of methane in the reactor.

Abstract: An integrated process is provided for producing benzene, toluene, and/or xylene and hydrogen from shale gas under the feeding of carbon dioxide. The integrated process for producing an aromatic compound and hydrogen can efficiently and continuously produce high value-added aromatic compounds and hydrogen without the need to separate methane from shale gas through cryogenic distillation.

Abstract: The present invention relates to a dielectric barrier discharge (DBD) plasma reactor comprising a catalyst bed for COX hydrogenation in a discharge region; and a method to produce light hydrocarbons from a COX-containing gas mixture in the DBD plasma reactor. In the DBD plasma reactor for a COX hydrogenation reaction, the catalyst for COX hydrogenation comprises a catalytically active component on a mesoporous support that is a dielectric. When the DBD plasma reactor for a COX hydrogenation reaction according to the present invention is used, it is possible to convert by-product gases or waste gases into higher-value-added chemical products without additional heat supply from the outside.

Abstract: The present invention relates to a method of preparing an aromatic compound from acetylene, which includes synthesizing an aromatic compound from an acetylene-containing reactant gas in the presence of a zeolite catalyst for the aromatization of acetylene, and subjecting the zeolite catalyst deactivated by the coke formed in the aromatization of acetylene, to plasma treatment at ambient temperature and pressure so as to selectively remove the external cokes and partial internal coke, thereby regenerating the zeolite catalyst; a method of regenerating the zeolite catalyst used in the aromatization of acetylene by plasma treatment; and a regenerated zeolite catalyst for the aromatization of acetylene, prepared thereof.

Abstract: The present invention relates to a dielectric barrier discharge (DBD) plasma reactor for the preparation of C2+ hydrocarbons from methane, wherein the DBD plasma reactor comprises macroporous silica, as a dielectric material, and optionally a photocatalyst that is impregnated into the pores of the macroporous silica.

Abstract: The present invention relates to a method of preparing an MFI zeolite with a microporous and mesoporous hierarchical structure in which a non-benzene-based first structure-directing agent, which provides ordered microporous pore sizes and a framework of MFI zeolite seed crystals, and a second structure-directing agent containing one benzene ring and an ammonium ion, which functions as a mesopore-directing agent without interfering with the function of the first structure-directing agent, are simultaneously used; an MFI zeolite with a microporous and mesoporous hierarchical structure, which is prepared by the method, and a catalyst use thereof for a reaction of converting acetylene into an aromatic compound; and a method of preparing an aromatic compound from acetylene using the catalyst.

Abstract: Provided are a dielectric barrier discharge (DBD) plasma reactor including dielectric particles in a packed-bed in a discharge zone, e.g., a DBD plasma reactor for non-oxidative coupling of methane in which an average gap distance between dielectric particles in the packed-bed is adjusted to improve methane conversion and/or product selectivity; a method of regenerating dielectric particles including removing coke, which sis produced by side reactions, from the dielectric particles deactivated by the coke by using a low temperature plasma in an oxidizing atmosphere in the reactor; a method of manufacturing C2+ hydrocarbons, the method including converting methane into C2+ hydrocarbons including ethylene and/or ethane by non-oxidative coupling of methane in the reactor; and a method of manufacturing hydrogen, the method including generating hydrogen from methane by non-oxidative coupling of methane in the reactor.

Abstract: The present invention relates to a method of preparing an MFI zeolite with a microporous and mesoporous hierarchical structure in which a non-benzene-based first structure-directing agent, which provides ordered microporous pore sizes and a framework of MFI zeolite seed crystals, and a second structure-directing agent containing one benzene ring and an ammonium ion, which functions as a mesopore-directing agent without interfering with the function of the first structure-directing agent, are simultaneously used; an MFI zeolite with a microporous and mesoporous hierarchical structure, which is prepared by the method, and a catalyst use thereof for a reaction of converting acetylene into an aromatic compound; and a method of preparing an aromatic compound from acetylene using the catalyst.

Abstract: The present invention relates to a method of preparing an aromatic compound from acetylene, which includes synthesizing an aromatic compound from an acetylene-containing reactant gas in the presence of a zeolite catalyst for the aromatization of acetylene, and subjecting the zeolite catalyst deactivated by the coke formed in the aromatization of acetylene, to plasma treatment at ambient temperature and pressure so as to selectively remove the external cokes and partial internal coke, thereby regenerating the zeolite catalyst; a method of regenerating the zeolite catalyst used in the aromatization of acetylene by plasma treatment; and a regenerated zeolite catalyst for the aromatization of acetylene, prepared thereof.

Abstract: The present invention relates to a method for producing the activated catalyst for Fischer-Tropsch synthesis comprising: a first step of reducing a catalyst for Fischer-Tropsch synthesis; a second step of preparing liquid hydrocarbon in which a part or all of molecular oxygen is eliminated; and a third step of introducing the reduced catalyst prepared in the first step into the liquid hydrocarbon prepared in the second step while blocking its contact with air. Since the reduced catalyst used for Fischer-Tropsch synthesis is introduced into liquid hydrocarbon from which molecular oxygen is removed or coated by liquid hydrocarbon, the catalyst for Fischer-Tropsch synthesis activated based on the present invention maintains a high activity even if exposed to the air for a long time, thereby easily facilitating the long-term storage and long-distance transfer of the reduced catalyst.

Abstract: Disclosed is a transparent electrode pattern structure including: a first transparent electrode layer and a second transparent electrode layer which are stacked on a transparent substrate in a predetermined pattern, respectively; an insulation layer disposed between the first transparent electrode layer and the second transparent electrode layer; and contact holes formed in the insulation layer to electrically connect the first transparent electrode layer with the second transparent electrode layer; wherein the first transparent electrode layer and the second transparent electrode layer have a thickness of 100 to 200 nm, respectively, and the insulation layer has a thickness of 1,000 to 2,000 nm, thereby considerably decreasing a difference in reflectance on separate positions, as well as a touch screen panel including the transparent electrode pattern structure.

Abstract: Disclosed is a transparent electrode laminate including: sensing electrodes including first patterns formed in a first direction, and second patterns formed in a second direction; bridge electrodes configured to electrically connected separated unit patterns of the second patterns; and an insulation layer disposed between the sensing electrodes and the bridge electrodes, wherein metal patterns are formed on the insulation layer exposed between the first pattern and the second pattern, thereby obtaining a high transparency by minimizing a difference in reflectance for each position and reducing the pattern visual recognition.

Abstract: The present invention relates to a method for producing the activated catalyst for Fischer-Tropsch synthesis comprising: a first step of reducing a catalyst for Fischer-Tropsch synthesis; a second step of preparing liquid hydrocarbon in which a part or all of molecular oxygen is eliminated; and a third step of introducing the reduced catalyst prepared in the first step into the liquid hydrocarbon prepared in the second step while blocking its contact with air. Since the reduced catalyst used for Fischer-Tropsch synthesis is introduced into liquid hydrocarbon from which molecular oxygen is removed or coated by liquid hydrocarbon, the catalyst for Fischer-Tropsch synthesis activated based on the present invention maintains a high activity even if exposed to the air for a long time, thereby easily facilitating the long-term storage and long-distance transfer of the reduced catalyst.

Abstract: The invention relates to a reactor system, comprising a heat-exchange unit and a reaction unit that are assembled together into a structure. The heat-exchange unit has a plurality of plate or corrugated-plate heat exchangers, and is formed so as to attachable/detachable to/from the reaction unit and insertable into the latter. Accordingly, a catalyst may be attached to a heat-transfer surface of a heat exchanger by a washcoat method or the like, thus maximizing heat-transfer efficiency and enabling the easy removal or reattachment of the catalyst when the enabling the easy removal or reattachment of the catalyst at the end of the lifespan of the catalyst.

Abstract: Provided is a preparation method for a mesoporous zeolite, particularly a method for preparing mesoporous zeolite through a simple process without using costly materials such as an organic amine template or a surfactant. The method includes 1) forming a synthetic zeolite gel by mixing a silica precursor, an aluminum precursor and water and aging the resulted mixture; 2) carrying out zeolite synthesis by subjecting the synthetic zeolite gel to a hydrothermal reaction; 3) cooling the synthesized zeolite from the above step 2), then adding a basic solution thereto and allowing them to react, thereby obtaining a mesoporous zeolite slurry; and 4) washing the mesoporous zeolite slurry with water, drying and firing it, thereby obtaining a mesoporous zeolite.

Abstract: The present invention relates to a polarizing-plate-integrated touch-sensing electrode. More specifically, the present invention relates to a polarizing-plate-integrated touch-sensing electrode including at least one sensing pattern disposed on at least one surface of the polarizing plate. The polarizing-plate-integrated touch-sensing electrode may implement a thin-film structure and have excellent visibility.

Abstract: A retarder-integrated touch-sensing electrode includes at least one sensing pattern formed on at least one surface of a retarder, wherein the difference in refractive index between the retarder and the sensing pattern disposed on the one surface of the retarder is about 0.8 or less. Accordingly, the retarder-integrated touch-sensing electrode implements a thin-film structure and has excellent visibility.

Abstract: Disclosed is a transparent electrode laminate including: sensing electrodes including first patterns formed in a first direction, and second patterns formed in a second direction; bridge electrodes configured to electrically connected separated unit patterns of the second patterns; and an insulation layer disposed between the sensing electrodes and the bridge electrodes, wherein metal patterns are formed on the insulation layer exposed between the first pattern and the second pattern, thereby obtaining a high transparency by minimizing a difference in reflectance for each position and reducing the pattern visual recognition.

Abstract: Disclosed is a reaction device for producing hydrocarbons from synthesis gas, in which hydrocarbons, olefins, oxygenates, etc., are produced over a Fischer-Tropsch catalyst by using synthesis gas, so that the catalyst particles can easily be from a slurry which is discharged to the outside. That is, the present invention provides a reaction device for producing hydrocarbons from synthesis gas, in which an internal filter system for separating particles enlarged due to agglomeration phenomenon of a catalyst is installed inside the reactor, and a separating device is separately disposed outside, such that it is possible to recirculate only particles having a size appropriate for performing F-T synthesis in the slurry phase, and additionally, it is possible to effectively discharge and process a catalyst aggregated due to a combination of fine catalyst particles, the catalyst chipped off during the operation, etc., liquid hydrocarbon, resulting water, etc., in the slurry phase reactor.