Abstract: The present disclosure relates to an antimicrobial filter medium with improved antimicrobial property and microbe capture ability wherein gaseous antimicrobial nanoparticles are uniformly coated onto the filter medium and conductive members are attached on both sides of the filter medium, and an apparatus and a method for fabricating the same.

Abstract: Disclosed is an apparatus and method for decomposing an ultra-low concentration of volatile organic compounds, which may effectively remove ultra-low concentration of volatile organic compounds by a batch process for separating ultra-low concentration of volatile organic compounds present in an indoor air or the like and oxidizing the corresponding volatile organic compounds at a low temperature.

Abstract: The present disclosure relates to an apparatus and a method for fabricating an antimicrobial hybrid material of a natural antimicrobial particle and a carbon nanomaterial, capable of fully utilizing the antimicrobial property of a natural antimicrobial material and a carbon nanomaterial by maximizing adsorption of the natural antimicrobial material on the carbon nanomaterial.

Abstract: The present disclosure relates to an antimicrobial filter medium with improved antimicrobial property and microbe capture ability wherein gaseous antimicrobial nanoparticles are uniformly coated onto the filter medium and conductive members are attached on both sides of the filter medium, and an apparatus and a method for fabricating the same.

Abstract: Disclosed are an apparatus and method for preparing a manganese oxide-titania catalyst. The apparatus for preparing a manganese oxide-titania catalyst includes: a vaporizer vaporizing a manganese precursor and a titanium precursor; a carrier gas supply line supplying a carrier gas, which carries precursor vapors vaporized by the vaporizer to a reactor, to the vaporizer; an oxygen supply line supplying an oxygen source to the reactor; the reactor reacting the precursor vapors with the oxygen source to synthesize a manganese oxide-titania catalyst; and a collector condensing and collecting the manganese oxide-titania catalyst synthesized in the reactor.

Abstract: The present disclosure relates to an apparatus and a method for fabricating an antimicrobial hybrid material of a natural antimicrobial particle and a carbon nanomaterial, capable of fully utilizing the antimicrobial property of a natural antimicrobial material and a carbon nanomaterial by maximizing adsorption of the natural antimicrobial material on the carbon nanomaterial.

Abstract: Provided is a multi-functional vehicle including: a sampling unit through an external air flows in, the sampling unit having a particle sampling inlet tube and a gas sampling inlet tube; a flow distribution unit for supplying the air flowing in through the particle sampling inlet tube to a particle measuring device; a manifold for supplying the air flowing in through the gas sampling inlet tube to a gas measuring device; a particle measuring device for measuring particles in the air supplied from the flow distribution unit; a gas measuring device for measuring gas in the air supplied from the manifold; an animal exposure chamber system for receiving the air from at least one of the flow distribution unit and the manifold and performing an animal exposure experiment; and a data management unit for storing and monitoring air pollution data measured by the particle measuring device and the gas measuring device.

Abstract: Disclosed are an apparatus and a method for evaluating the efficiency of an antimicrobial air filter, which allow precise determination of the efficiency of an antimicrobial air filter by dividing microorganisms deposited on the antimicrobial air filter into living microorganisms and dead microorganisms by use of two types of fluorescent dyes, and by analyzing the microorganisms quantitatively.

Abstract: Disclosed are an apparatus and method for preparing a manganese oxide-titania catalyst. The apparatus for preparing a manganese oxide-titania catalyst includes: a vaporizer vaporizing a manganese precursor and a titanium precursor; a carrier gas supply line supplying a carrier gas, which carries precursor vapors vaporized by the vaporizer to a reactor, to the vaporizer; an oxygen supply line supplying an oxygen source to the reactor; the reactor reacting the precursor vapors with the oxygen source to synthesize a manganese oxide-titania catalyst; and a collector condensing and collecting the manganese oxide-titania catalyst synthesized in the reactor.

Abstract: Disclosed is a method for removing volatile organic compounds included in the air, comprising: generating ozone; and treating the ozone with a catalyst to generate reactive species, wherein the volatile organic compounds are decomposed by the reactive species.

Abstract: A multi-functional cabin air filter includes a dust collecting filter layer for collecting fine dust; an oxidation catalyst filter layer for oxidizing nitrogen monoxide into nitrogen dioxide; and an adsorption filter layer for adsorbing nitrogen dioxide and volatile organic compounds, wherein antimicrobial nanoparticles are applied to at least one of the dust collecting filter layer, the oxidation catalyst filter layer and the adsorption filter layer. This cabin air filter has dust collecting, denitrifying, deodorizing and antimicrobial functions, and it may be utilized in various ways for air purification in a limited space such as a vehicle.

Abstract: A multi-functional cabin air filter includes a dust collecting filter layer for collecting fine dust; an oxidation catalyst filter layer for oxidizing nitrogen monoxide into nitrogen dioxide; and an adsorption filter layer for adsorbing nitrogen dioxide and volatile organic compounds, wherein antimicrobial nanoparticles are applied to at least one of the dust collecting filter layer, the oxidation catalyst filter layer and the adsorption filter layer. This cabin air filter has dust collecting, denitrifying, deodorizing and antimicrobial functions, and it may be utilized in various ways for air purification in a limited space such as a vehicle.

Abstract: The present invention relates to a method for preparing a vanadia-titania catalyst having a core-shell structure, which is highly active in decomposing chlorinated organic compounds such as dioxin present in the exhaust of an incinerator.

Abstract: The present invention relates to a method for preparing a vanadia-titania catalyst having a core-shell structure, which is highly active in decomposing chlorinated organic compounds such as dioxin present in the exhaust of an incinerator.

Abstract: The present invention discloses methods for preparing vanadia-titania catalysts in the form of nanostructured particles, where vanadia particles are dispersed at the surface of a titanium dioxide carrier and attached thereto, which are useful for degrading chlorinated organic compounds. The method of the present invention has a number of advantages in that: (i) it is capable of producing vanadia-titania catalysts by a relatively simple process as compared to the conventional wet-type method; (ii) the size of the catalyst particles can be easily regulated; and (iii) the vanadia-titania catalysts prepared according to the method of the present invention exhibit excellent degradation efficiency with respect to chlorinated organic compounds even at a low temperature, compared to catalysts prepared by the wet-type method, due to their nanostructure that provides the catalysts with large reactive surface area and high physical stability.

Abstract: A particle counter has a saturator inhaling air in an atmosphere and vaporizing a working liquid therein; and an electrical detection unit electrically shielding an internal space thereof to maintain a temperature of the space to be constant, the air and vaporized working liquid flowing into the electrical detection unit through a side thereof from the saturator, condensing the vaporized working liquid on surfaces of ultrafine particles contained in the air, and charging the particles to measure a current of the charged particles, thereby measuring the number of the particles included in the air. According to the invention, it is possible to measure the number concentration of the ultrafine particles included in the air, and it is easy to move the counter depending on the measurement locations.

Abstract: A particle counter has a saturator inhaling air in an atmosphere and vaporizing a working liquid therein; and an electrical detection unit electrically shielding an internal space thereof to maintain a temperature of the space to be constant, the air and vaporized working liquid flowing into the electrical detection unit through a side thereof from the saturator, condensing the vaporized working liquid on surfaces of ultrafine particles contained in the air, and charging the particles to measure a current of the charged particles, thereby measuring the number of the particles included in the air. According to the invention, it is possible to measure the number concentration of the ultrafine particles included in the air, and it is easy to move the counter depending on the measurement locations.

Abstract: Disclosed is an apparatus for the combustion synthesis of carbon nanotubes characterized with the combustor having an oxidizing agent inlet, a fuel inlet and an inert gas inlet, such that the inverse diffusion flame occurs within the combustor, thereby producing carbon nanotubes without using vacuum, and a method for the combustion synthesis of carbon nanotubes using the same. According to the present invention, it is possible to directly collect samples including carbon nanotubes without oxidation and a substrate may be installed with ease. Moreover, the manufacturing cost can be lowered to a level suitable for mass production so that the carbon nanotube technology can be extended to various applications.

Abstract: The present invention relates to a method of reducing air pollutant emissions such as dioxin or mercury from combustion facilities including furnaces and electricity generation equipment. More particularly, the invention relates to a method of reducing the amount of air pollutants such as dioxin or mercury from combustion facilities by inputting the precursor of nano-particles such as titanium dioxide photo-catalyst or reactive potassium iodide into the combustion facilities as a mixture with air or fuel supply of the combustion facilities, thereby allowing nano-particles to be synthesized during the combustion process and such synthesized nano-particles to absorb, decompose and adhere the air pollutants in the combustion facilities.

Abstract: An apparatus for synthesizing a carbon nano-material is provided with a reaction gas supplier for supplying a reaction gas in isolation from atmospheric condition, a metallic catalyst supplier for supplying a metallic catalyst in isolation from atmospheric condition, a reactor communicating with the reaction gas supplier and the metallic catalyst supplier and providing a space for synthesis of the carbon nano-material, a heater, positioned outside the reactor, for heating the reactor to a temperature proper for the synthesis of the carbon nano-material, and a collector for collecting the carbon nano-material generated in the reactor.