Sk Innovation Co., Ltd.

Sk Global Chemical Co., Ltd.

Snur & Db Foundation

Yong Tak Kwon

Tae Jin Kim

Seung Hoon Oh

Young Min Chung

Yong Seung Kim

In Kyu Song

Seong Jun Lee

Chang Soo Lee

Bo Yeol Kim

Hee Soo Kim

Ho Won Lee

Dae Hyun Choo

Ok Youn Kim

Suk Joon Hong

Ji Chul Jung

Hye Ryun Seo

Min Su Ko

Hwa Jung Lee

Tae Jln Kim

A catalyst for synthesizing a carbon nanotube includes a support containing a metal, and an active metal impregnated on the support. The active metal includes cobalt and manganese. A surface molar ratio of the active metal relative to the metal of the support is 40% or less of a bulk molar ratio of the active metal relative to the metal of the support. A carbon nanotube having high purity and low resistance is obtained from the catalyst.

Catalyst for synthesizing carbon nanotube and method of synthesizing carbon nanotube

Disclosed herein is a method of preparing a catalyst having Pt&#x2014;Pd dispersed in polymer electrolyte multilayers, suitable for use in production of hydrogen peroxide, wherein the use of the catalyst prepared by forming polymer electrolyte multilayers on an anionic resin support and performing sulfuric acid treatment and loading (insertion or attachment) of Pt&#x2014;Pd particles can result in high hydrogen conversion, hydrogen selectivity and hydrogen peroxide yield for a long period of time.

Method of preparing catalyst having Pt&#x2014;Pd dispersed polymer electrolyte multilayers treated with sulfuric acid

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

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

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

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

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Daejeon, South Korea

Yong Tak Kwon