Sk Innovation Co., Ltd.

Sk Global Chemical Co., Ltd.

Snu Rdb Foundation

Sk Energy Co., Ltd.

Young Min Chung

Seung Hoon Oh

Tae Jin Kim

Hee Soo Kim

In Kyu Song

Seong Jun Lee

Yong Seung Kim

Yong Tak Kwon

Ji Chul Jung

Ho Won Lee

Ok Youn Kim

Hee Jung Jeon

Seong Ho Lee

Young Seek Yoon

Chang Soo Lee

Bo Yeol Kim

Dae Hyun Choo

Ahn Seop Choi

Yoon Jae Yim

Byong Sung Kwak

Cher Hee Park

Min Su Ko

Bert Marc Weckhuysen

Pieter C A Bruijnincx

Dilek Ayse Boga

Bert M Weckhuysen

The present invention relates to a catalyst having surface-modified metal nanoparticles immobilized in a stationary phase in which a polymer electrolyte membrane is formed, and a preparation method thereof. The catalyst of the present invention may be used in a process for producing hydrogen peroxide by direct synthesis from oxygen and hydrogen.

Catalyst having surface-modified metal nanoparticles immobilized in stationary phase in which a polymer electrolyte membrane is formed, and preparation method thereof

This invention relates to a method of preparing a mixed manganese ferrite coated catalyst, and a method of preparing 1,3-butadiene using the same, and more particularly, to a method of preparing a catalyst by coating a support with mixed manganese ferrite obtained by co-precipitation at 10&#x2dc;40&#xb0; C. using a binder and to a method of preparing 1,3-butadiene using oxidative dehydrogenation of a crude C4 mixture containing n-butene and n-butane in the presence of the prepared catalyst. This mixed manganese ferrite coated catalyst has a simple synthetic process, and facilitates control of the generation of heat upon oxidative dehydrogenation and is very highly active in the dehydrogenation of n-butene.

Mixed manganese ferrite coated catalyst, method of preparing the same, and method of preparing 1,3-butadiene using the same

The present invention relates to a method for producing hydrocarbons from biomass or organic waste. The present invention provides: a method for effectively producing diverse hydrocarbons by using a raw material comprising mixed organic acids that can be obtained by anaerobic fermentation which is a fermentation process in biogasification technology; and a method for producing diverse products such as fuel, lube base oil and aromatics by using a raw material comprising mixed organic acids.

Method for producing hydrocarbons from biomass or organic waste

Disclosed herein is a catalyst for aqueous-phase reforming of biomass-derived polyols, which comprises platinum and copper as active metals and a mixture of magnesia and alumina as a support. The catalyst contains a small amount of platinum and, at the same time, has high hydrogen selectivity and low methane selectivity.

Catalyst for aqueous phase reforming of biomass-derived polyols and preparation method thereof

Disclosed herein is a catalyst, including, in one example: a carrier, a polymer electrolyte multilayer film formed on the carrier, and metal particles dispersed in the polymer electrolyte multilayer film. The catalyst can be easily prepared, and can be used to produce hydrogen peroxide in high yield in the presence of a reaction solvent including no acid promoter.

Polyelectrolyte multilayer thin film catalyst and method for producing same

The present invention relates to a method of economically preparing paraffin compounds corresponding to gasoline fuel or lubricating base oil using volatile fatty acids (VFAs) derived from biomass.

Preparation method of transportation fuel or lubricating base oil using biomass

A method of producing a mixed manganese ferrite catalyst, and a method of preparing 1,3-butadiene using the mixed manganese ferrite catalyst. Specifically, a method of producing a mixed manganese ferrite catalyst through a coprecipitation method which is performed at a temperature of 10&#x2dc;40&#xb0; C., and a method of preparing 1,3-butadiene using the mixed manganese ferrite catalyst through an oxidative dehydrogenation reaction, in which a C4 mixture containing n-butene, n-butane and other impurities is directly used as reactants without performing additional n-butane separation process or n-butene extraction. 1,3-butadiene can be prepared directly using a C4 mixture including n-butane at a high concentration as a reactant through an oxidative hydrogenation reaction without performing an additional n-butane separation process, and 1,3-butadiene, having high activity, can be also obtained in high yield for a long period of time.

Mixed manganese ferrite catalysts, method of preparing thereof and method of preparing 1,3-butadiene using thereof

Disclosed is a nano-sized Cu based catalyst and a method of preparing the same including dissolving, in an aqueous solution, a first component comprising a Cu precursor, a second component precursor comprising one or more selected from the group consisting of a transition metal, an alkaline earth metal and a Group IIIb metal, and a third component precursor comprising one or more selected from the group consisting of alumina, silica, silica-alumina, magnesia, titania, zirconia and carbon and then performing stirring; precipitating the stirred mixture solution using Na2CO3 and NaOH to form a catalyst precursor precipitate; and washing and filtering the formed catalyst precursor precipitate. Also a method of preparing alcohol is provided, including reacting hydrogen with carboxylic acid including a single acid or an acid mixture of two or more acids derived from a microorganism fermented solution, using the nano-sized Cu based catalyst.

Nanometer-sized copper-based catalyst, production method thereof, and alcohol production method using the same through direct hydrogenation of carboxylic acid

The present invention relates to a zinc ferrite catalyst, a method of producing the same, and a method of preparing 1,3-butadiene using the same. Specifically, the present invention relates to a zinc ferrite catalyst which is produced in a pH-adjusted solution using a coprecipitation method, a method of producing the same, and a method of preparing 1,3-butadiene using the same, in which the 1,3-butadiene can be prepared directly using a C4 mixture including n-butene and n-butane through an oxidative dehydrogenation reaction. The present invention is advantageous in that 1,3-butadiene can be obtained at a high yield directly using a C4 fraction without performing an additional process for separating n-butene, as a reactant, from a C4 fraction containing impurities.

Zinc ferrite catalysts, method of preparing thereof and method of preparing 1,3-butadiene using thereof

A method of preparing multicomponent bismuth molybdate catalysts composed of four metal components and a method of preparing 1,3-butadiene using the catalyst, and particularly, to multicomponent bismuth molybdate catalysts composed of a divalent cationic metal, a trivalent cationic metal, bismuth and molybdenum, a preparation method thereof, and a method of preparing 1,3-butadiene from a C4 mixture including n-butene and n-butane using oxidative dehydrogenation are described.

Method of preparing multicomponent bismuth molybdate catalysts comprising four metal components and method of preparing 1,3-butadiene using said catalysts

This invention relates to a method of preparing a multicomponent bismuth molybdate catalyst by changing the pH of a coprecipitation solution upon coprecipitation and a method of preparing 1,3-butadiene using the catalyst. The multicomponent bismuth molybdate catalyst, coprecipitated using a solution having an adjusted pH, the preparation method thereof, and the method of preparing 1,3-butadiene through oxidative dehydrogenation using a C4 mixture including n-butene and n-butane as a reactant are provided. The C4 raffinate, containing many impurities, is directly used as a reactant without an additional process for separating n-butane or extracting n-butene, thus obtaining 1,3-butadiene at high yield. The activity of the multicomponent bismuth molybdate catalyst can be simply increased through precise pH adjustment upon coprecipitation, which is not disclosed in the conventional techniques. This method can be applied to the increase in the activity of multicomponent bismuth molybdate catalysts reported in the art.

Method of preparing multicomponent bismuth molybdate catalysts with controlling pH and a method of preparing 1,3-butadiene using thereof

A method of producing 1,3-butadiene by the oxidative dehydrogenation of n-butene using a continuous-flow dual-bed reactor designed such that two kinds of catalysts charged in a fixed-bed reactor are not physically mixed. More particularly, a method of producing 1,3-butadiene by the oxidative dehydrogenation of n-butene using a C4 mixture including n-butene and n-butane as reactants and using a continuous-flow dual-bed reactor in which a multi-component bismuth molybdate catalyst and a zinc ferrite catalyst having different reaction activity in the oxidative dehydrogenation reaction of n-butene isomers (1-butene, trans-2-butene, cis-2-butene).

Method of producing 1,3-butadiene from N-butene using continuous-flow dual-bed reactor

This invention relates to a bismuth molybdate catalyst, a preparation method thereof, and a method of preparing 1,3-butadiene using the same, and to a bismuth molybdate catalyst, a preparation method thereof, and a method of preparing 1,3-butadiene using the same, in which 1,3-butadiene can be prepared through oxidative dehydrogenation directly using a C4 mixture including n-butene and n-butane as a reactant in the presence of a mixed-phase bismuth molybdate catalyst including &#x3b1;-bismuth molybdate (Bi2Mo3On) and &#x3b3;-bismuth molybdate (Bi2MoO6). According to this invention, the C4 raffinate, containing many impurities, is used as a reactant, without an additional n-butane separation process, thus obtaining 1,3-butadiene at high yield. Unlike complicated multicomponent-based metal oxides, the catalyst of the invention has simple constituents and synthesis routes, and can be easily formed through physical mixing, and thus is very advantageous in assuring reproducibility and can be directly applied to commercial processes.

Bismuth molybdate-based catalysts, method of preparing thereof and method of preparing 1,3-butadiene using thereof

Disclosed herein is a method of regenerating a titanium-containing molecular sieve catalyst. Particularly, this invention provides a method of regenerating a titanium-containing molecular sieve catalyst used in epoxidation of olefin through simple treatment using a mixture solvent comprising aqueous hydrogen peroxide and alcohol. According to the method of this invention, when the catalyst having decreased activity is regenerated, the activity of the regenerated catalyst is equal to that of new catalyst and can be maintained stable for a long period of time.

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Daejeon, South Korea

Young Min Chung