Korea Institute of Science and Technology

Jong Soo Jurng

Sung Min Chin

Byoung Chan Kim

Eun Seuk Park

Min Su Kim

Min Young Song

Jin Y Chung

Gwi-Nam Bae

Ju Young Jeong

Yeon Seok Kim

Seung Woo Lee

Young Il Kim

Kwang Ho Kim

Jung Eun Lee

Yoon Pyo Lee

Young Haeng Lee

Chun Sik Lee

Kil Hong Song

Seung Bok Lee

Hyoun Duk Jung

Gwi Nam Bae

Kil Choo Moon

Sang Woo Yom

Hee Suk Han

Hung Tae Shin

Jae Soo Rhee

Provided are a reusable polymeric material for removing siloxane compounds in biogas, a method for removing siloxane using the same, and an apparatus therefor, and more particularly, a polyacrylate-based polymer absorbent for removing siloxane compounds in biogas and a method for removing siloxane compounds in biogas. The method for removing siloxane compounds in biogas includes (a) providing the biogas, and b) absorbing the siloxane compounds in a polymer absorbent by passing the biogas through the polymer absorbent according to any one of claimsto

Reusable polymeric material for removing siloxane compounds in biogas, method thereby and apparatus therefor

Provided are a single-stranded nucleic acid aptamer simultaneously and specifically binding to various types of microorganisms, and a method of manufacturing the nucleic acid aptamer. For example, provided are a probe that is capable of simultaneously detecting or diagnosing a variety of microorganisms, and a method of manufacturing an aptamer having characteristics of such a probe.

Universal nucleic acid aptamers for commonly binding to various types of microorganisms and method of producing the same

Provided is a single-stranded nucleic acid aptamer specifically binding to, and a method for detectingby using the same. The aptamer of the present disclosure, and a method, a composition, a kit or a sensor of using the same may be used to specifically detectpresent in an aqueous environment, foods, and medical samples and also be applied in fields such as sanitary conditions of foods and medical diagnosis.

[object Object]

Provided is a method for preparing a vanadia-titania catalyst, comprising: vaporizing a titanium precursor; conveying the vaporized titanium precursor to a reaction unit together with an oxygen supplying source; reacting the vaporized titanium precursor conveyed to the reaction unit with the oxygen supplying source to produce titania particles; condensing the titania particles, collecting and recovering them; mixing the recovered titania particles with a vanadium precursor solution; drying the mixture of the titania particles with the vanadium precursor solution; and calcining the dried mixture under oxygen atmosphere or air. Provided also is a vanadia-titania catalyst obtained by the method. The vanadia-titania catalyst has a large specific surface area, uniform and fine nano-scaled size, and high dispersibility, thereby providing excellent nitrogen oxide removal efficiency, particularly in a low temperature range of 200&#xb0; C.-250&#xb0; C.

Vanadia&#x2014;titania catalyst for removing nitrogen oxides and method for manufacturing the same

Disclosed is an antibacterial composition comprising titanium oxide particles immobilized with an antibody having affinity and cognitive power to a microorganism of interest, and a method for sterilizing the microorganism by using the same. In particular, the present invention relates to a method for preparing functional titanium oxide particles capable of recognizing a microorganism or a virus of interest, and a method for selectively and efficiently sterilizing the same by using the functional titanium oxide particles, and not for randomly sterilizing microorganisms or viruses by using conventional titanium oxide particles having no recognition power to a microorganism or a virus of interest.

Titanium oxide immobilized with bioreceptors and antibacterial method using the same

Provided are a single-stranded nucleic acid aptamer specifically binding toand a method for detectingusing the same. The method, kits or sensors of the present disclosure enableto be specifically detected among microorganisms existing in a water system, but also be applied in fields such as food sanitation or medical diagnosis.

Disclosed are an apparatus and a method for manufacturing composite nanoparticles. The apparatus comprises: a first precursor supply unit vaporizing a first precursor and supplying it to a reaction unit; a second precursor supply unit vaporizing a second precursor and supplying it to the reaction unit; the reaction unit producing composite nanoparticles by reacting the vaporized first precursor with the vaporized second precursor; an oxygen supply line supplying an oxygen source to the reaction unit; and a collection unit collecting the composite nanoparticles produced by the reaction unit. Since gas phase synthesis occurs in different stages using the U-shaped reaction chamber, aggregation is prevented and composite nanoparticles of uniform size and high specific surface area can be produced easily.

Apparatus and method for manufacturing composite nano particles

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. And, the method for preparing a manganese oxide-titania catalyst includes: 1) vaporizing a manganese precursor and a titanium precursor; 2) carrying precursor vapors (vapors of the manganese precursor and the titanium precursor) and an oxygen source to a reactor; 3) reacting the precursor vapors and the oxygen source to synthesize a manganese oxide-titania catalyst; and 4) condensing and collecting the manganese oxide-titania catalyst. According to the present disclosure, mass production of manganese oxide-titania catalysts with high decomposition efficiency of organic compounds can be prepared through fewer and continuous processes.

Apparatus and method for manufacturing manganese oxide-titania catalyst

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.

Multi-functional cabin air filter

The present invention is a method of treating nitrogen oxides using an ozone and catalyst hybrid system, as well as an apparatus, specifically relating to a method of treating nitrogen oxide using an ozone and catalyst hybrid system comprising: 1)removing moisture from the nitrogen oxide polluted air to be treated; 2) contacting the moisture-removed nitrogen oxide polluted air with ozone to oxidize NO in said polluted air to NO; 3) reacting the residual ozone with a catalyst to generate oxygen radicals and then, reacting the oxygen radicals with the nitrogen oxide polluted air from step 2) to oxidize NOin the polluted air to NO. The nitrogen oxide treatment method and apparatus according to the present invention can effectively treat harmful nitrogen oxides, such as NO, NO, using an ozone and catalyst hybrid system at room temperature without requiring a high temperature reaction or an ammonia gas as a reducing agent. In addition, the method and apparatus according to the present invention can be useful in the removal of nitrogen oxides in various areas because they can prevent secondary air pollution resulting from the use of ozone.

Method and apparatus for the treatment of nitrogen oxides using an ozone and catalyst hybrid system

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.

Solvothermal method for preparing vanadia-titania catalyst having nano structure for decomposing chlorinated organic compounds

The present invention relates to a water-cooled grate, which can be cooled while avoiding high and low temperature corrosions. The water-cooled grate comprises: at least one cooling pipe for guiding flow of cooling water; a grate body for placing waste matters to be burned, said grate body being formed with a pipe-receiving portion for receiving the cooling pipe; and a heat transfer controlling member fixed to the pipe-receiving portion for increasing and decreasing heat transfer between the grate body and the cooling pipe by varying thermal resistance to the cooling pipe through thermal deformation according to temperature change of the grate body.

Water-cooled grate

A method and apparatus for generating uniformly sized spherical ice particles. The apparatus comprises a water feed pump, a vacuum chamber connected to the water feed pump and having a water spray nozzle, boosters discharging the vapor from the vacuum chamber to maintain the inside of the vacuum chamber below a desired pressure and compressing it, a condenser for condensing the vapor being compressed by the boosters, and a vacuum pump for removing noncondensable gases from the condenser. The method comprises the steps of decreasing the pressure of the vacuum chamber below the first pressure, feeding water from the water source to the spray nozzle of the vacuum chamber, making spherical ices by spraying the water being fed from the nozzle into the inside of the vacuum chamber, in which the size of the droplets being sprayed is below a desired size, during said ice making step, maintaining the pressure of the vacuum chamber below the second pressure by discharging the vapor from the vacuum chamber and compressing the vapor to increase its saturation temperature above room temperature, condensing the compressed vapor within the condenser using water at room temperature as coolant, and draining the water being condensed during the condensing step and removing noncondensable gases.

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Seoul, South Korea

Jong Soo Jurng