Korea Institute of Science and Technology

Dong Jin Suh

Young Hyun Yoon

Jae Wook Choi

Jeong-Myeong Ha

Chang Soo Kim

Gi Seok Yang

Hyun Joo Lee

Jungho Jae

Byoung Sung Ahn

Kwang Ho Kim

Hong Gon Kim

Tae Jin Park

Jin Hong Kim

Jeong Myeong Ha

Chunjae Yoo

Tae-Jin Park

Kyeongsu Kim

Thi Lien Do

Adid Adep Dwiatmoko

Jong Hyun Lee

Sung Min Kim

Hoon Sik Kim

Jong Min Park

Hyun-Joong Kim

Il Gon Kim

Kyung Min Lee

Byung Won Cho

Sang Deuk Lee

Won Il Cho

Byoung Koun Min

Kwan-Young Lee

Ji Sun Yoon

Ung Lee

Young Soon Um

Young-Woong Suh

Jung Kyu Choi

Hilman Hutama

Adeline Budiman

Woon Hyuk Choi

Chun Mo Yang

Jangwoo Seo

Young-Hyun Yoon

Yun Su Lee

Hyemin Yang

Kang Hee Lee

Ye Seul Jeong

Lien Thi Do

Tai Jin Park

Sangseo Gu

Jin A Eun

Haryo Pandu Winoto

Disclosed herein is a catalyst for an upgrading reaction of biomass pyrolysis oil, a method for preparing the same, and a method for upgrading biomass pyrolysis oil using the same. The catalyst is a composite inorganic oxide, and the composite inorganic oxide includes lanthanum, nickel, titanium, and cerium. When a metal catalyst supported on carbon is used as a catalyst for a first step reaction, by using the catalyst as a catalyst for a second step reaction, the efficiency of the upgrading reaction of bio-oil is increased and a continuous reaction is possible without clogging of a continuous reactor.

Catalyst for aviation fuel production from bio-oil, method for preparation of the same and method for bio-oil upgrading using the same

Disclosed herein are a catalyst for hydrocracking reaction of high molecular weight components in bio-oil, a method for preparing the same and a method for bio-oil upgrading using the same. The catalyst includes a zeolite carrier; and at least one metal selected from the group consisting of nickel (Ni), ruthenium (Ru) and cerium (Ce) supported on the carrier. The catalyst promotes the hydrocracking of high molecular weight compounds contained in the bio-oil, but also inhibits the polymerization reaction of the decomposed product, thereby more effectively enhancing the hydrocracking reaction of the bio-oil.

Hydrocracking catalyst for heavy fraction of bio-oil, method for preparing the same and method for bio-oil upgrading using the same

Disclosed are a catalyst for oxidative coupling reaction of methane, a method for preparing the same, and a method for oxidative coupling reaction of methane using the same. The catalyst includes a mixed metal oxide, which is a mixed oxide of metals including sodium (Na), tungsten (W), manganese (Mn), barium (Ba) and titanium (Ti). It is possible to obtain paraffins, such as ethane and propane, and olefins, such as ethylene and propylene, with high efficiency through the method for oxidative coupling reaction of methane using the catalyst.

Catalyst for oxidative coupling reaction of methane, method for preparing the same, and method for oxidative coupling reaction of methane using the same

Disclosed herein are a calcium salts-supported metal catalyst, a method for preparing the same, and a method for the hydrodeoxygenation reaction of oxygenates using the same. The catalyst, in which a metal catalyst is supported on a carrier of a calcium salt, for example, calcium carbonate, has the effect of increasing the efficiency of hydrodeoxygenation reaction of oxygenates.

Calcium salts-supported metal catalyst, method for preparing the same, and method for hydrodeoxygenation reaction of oxygenates using the same

Provided is a method for deoxygenating an oxygenated hydrocarbon compound using a hydrogenation catalyst of immersing a metal in a carrier comprising a metal oxide and a hydrodeoxygenation catalyst of immersing a metal in a carrier comprising a metal oxide. It is possible to increase deoxygenation efficiency by combining the hydrogenation catalyst and the hydrodeoxygenation catalyst.

Method for deoxygenating of oxygenated hydrocarbons using hydrogenation catalyst and hydrodeoxygenation

Disclosed herein are a method of acid saccharification of biomass and a method of polymerization of furan compounds. The method of acid saccharification of biomass comprises recovering pentose-derived furan compounds produced during the acid saccharification process of biomass. The method of acid saccharification of biomass comprises introducing furan compounds into the acid saccharification process of biomass, to produce and recover furan polymers.

Method of acid saccharification of biomass

The present disclosure relates to catalysts supported on a modified-carrier for oxidative coupling reaction of methane and a method for oxidative coupling reaction of methane using the same. The catalysts in which sodium tungstate is supported on a delaminated zeolite carrier increase the methane conversion rate and the selectivity to Chydrocarbon compounds and thereby improve the reactivity of the oxidative coupling reaction of methane.

Catalysts supported on modified-carrier for oxidative coupling reaction of methane and method for oxidative coupling reaction of methane using the same

Disclosed are a heteropolyacid catalyst for producing gamma-valerolactone, which is supported on M-Beta zeolite (M=Sn, Ti, Zr or Hf), and a method for preparing the same and a method for manufacturing gamma-valerolactone using the catalyst. The catalyst has an effect of producing gamma-valerolactone from biomass-derived furfural at a high yield through a one-pot process.

Catalyst for producing gamma-valerolactone, method for preparing the same and method for manufacturing gamma-valerolactone using the same

The apparatus includes: a pretreatment tank where biomass and a first acid solution are stirred to extract sugar components from the biomass; a hydrolysis tank where water is added to the pretreated mixture transferred from the pretreatment tank such that the concentration of the acid is reduced and the sugar components are hydrolyzed to produce an acid hydrolyzate; a first sugar-acid separation tank where the acid hydrolyzate is separated into a second acid solution and a first hydrolyzate; a second sugar-acid separation tank where the first hydrolyzate is separated into a third acid solution and a second hydrolyzate; a fermentation tank where the second hydrolyzate is fermented to produce bioenergy; and an acid solution concentration tank where a mixture of the second acid solution transferred from the first sugar-acid separation tank and the third acid solution transferred from the second sugar-acid separation tank is concentrated to a higher level for reuse.

Apparatus and method for bioenergy production using regenerated acid solution

Disclosed is a method for preparing a metal fluoride catalyst as a dehydrofluorination catalyst having high activity under a mild condition using a trifluoroacetic acid solution with no use of HF gas having fluidity and corrosive property. Disclosed also is a dehydrofluorination method for preparing HFO-1225ye from HFP-236ea by using the catalyst with high efficiency.

Method for preparing metal fluoride catalysts and dehydrofluorination method using the same

Provided is a method for producing a high-carbon number saturated hydrocarbon compound by subjecting a mixed biomass solution containing benzyl phenyl ether (CHCHOCH) to a two-step reaction process using a difunctional catalyst having an acid catalyst combined with a metal catalyst. The method allows development of a fuel substituting for and supplementing petroleum through decomposition and conversion of a biomass containing lignin or the like, thereby providing a non-petroleum based biofuel.

Method of manufacturing high-carbon number saturated hydrocarbons from biomass-derived benzyl phenyl ethers using acid-metal complex catalyst

The present disclosure relates to a Cu/Zn/Al catalyst and a method for preparing same. More particularly, the present disclosure relates to a Cu/Zn/Al catalyst including copper particles having high surface area and thus having excellent activity, which is prepared by: preparing a metal precursor solution by dissolving a copper precursor, a zinc precursor and an aluminum precursor in an organic solvent; mixing an aqueous basic solution with the metal precursor solution and precipitating metal particles; and preparing a Cu/Zn/Al catalyst by collecting and sintering the precipitated metal particles, and a method for preparing same.

Cu/Zn/Al catalyst and method for preparing the same

Provided is a method for preparing hydrophobic monolithic silica aerogel, comprising dipping monolithic wet silica gel obtained by using an alkoxide precursor into an alkylsilane solution as a dipping solution to perform hydrophobitization of the surface and inner part of the monolithic wet silica gel by a dipping process. The method is economical by virtue of the use of a small amount of alkylsilane compound and imparts hydrophobic property to monolithic silica aerogel simply in a cost efficient and time efficient manner. In addition, the method reduces shrinkage of hydrophobic monolithic silica aerogel, enables production of hydrophobic monolithic silica aerogel in a translucent form, and allows the hydrophobic monolithic silica aerogel to maintain low heat conductivity similar to the heat conductivity of hydrophilic silica aerogel. The hydrophobic monolithic silica aerogel may be used directly as a heat insulating panel by virtue of excellent hydrophobic property and heat insulating property.

Preparation method of hydrophobic monolith type silica aerogel

Provided is a zinc air fuel cell with enhanced cell performance which includes a separator-electrode assembly including a perforated metal plate as a cathode current collector, a catalyst-coated carbon paper, a separator, a perforated metal plate as an anode current collector, and a tilted nonconductive support. A metal plate may be placed on the tilted nonconductive support and connected to the anode current collector in the separator-electrode assembly to enlarge the active area of the anode current collector. Performance may be efficiently enhanced by minimizing a distance between the anode current collector and the cathode current collector, and by adding a metal plate which plays a role of an additional anode current collector on the tilted nonconductive support so as to increase the overall active area of anode current collector contacting with zinc pellets and to resultantly enhance the ionization of zinc.

Zinc air fuel cell with enhanced cell performance

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Seoul, South Korea

Dong Jin Suh