B01J21/00

Ferrite catalyst for oxidative dehydrogenation, method of preparing ferrite catalyst, and method of preparing butadiene using ferrite catalyst

A ferrite catalyst for oxidative dehydrogenation and a method of preparing the same. The ferrite catalyst is prepared using an epoxide-based sol-gel method, wherein a step of burning includes a first burning step, in which burning is performed at a temperature of 70 to 200 C.; and a second burning step, in which burning is performed after the temperature is raised from a temperature in the range of greater than 200 C. to 250 C. to a temperature in the range of 600 to 900 C.

Process for preparing a catalyst for alkane aromatization

The present invention relates to a process for preparing a catalyst for alkane aromatization providing high % conversion, high yield, high selectivity of aromatics, and high selectivity of p-xylene in xylene, wherein said process comprises the following steps: (a) contacting a zeolite with a solution of group IIIA metal salt; (b) contacting the zeolite obtained from step (a) with the solution of metal salt selected from a group VIIB metal, a group VB metal, or a mixture thereof; and (c) contacting the zeolite obtained from step (b) with alkoxysilane, characterized in that the solution of salt in step (b) comprising a glycol solvent as a reducing agent under a basic condition, and step (b) is operated at the temperature higher than 120 C.

Method for preparing 2-Cyclohexyl cyclohexanol

Provided is a method for preparing 2-cyclohexyl cyclohexanol, including: hydrogenating a cyclohexanone dimer with hydrogen gas at a temperature ranging from 150 to 250 C. in a reactor containing a catalyst to prepare 2-cyclohexylcyclohexanol, wherein the molar ratio of the hydrogen gas and oil ranges from 1 to 25. The method has advantages of high yield properties and allows for mass production, thereby enhancing the value of the industrial application.

CATALYST FOR HYDROGENATION OF AROMATIC COMPOUND AND PREPARATION METHOD THEREFOR

The present invention relates to a catalyst for hydrogenation of an aromatic compound, which is capable of greatly reducing the inactivation of a catalyst by using a support including a magnesium-based spinel structure, and a preparation method therefor.

Catalyst and preparation method thereof, and method for preparing isobutylene by applying the same

The present invention relates to the field of isobutylene preparation. Disclosed are a catalyst and preparation method thereof, and method for preparing isobutylene by applying the same; the catalyst has a core-shell structure, the core an amorphous silica-alumina particle and/or an aggregate molding thereof, and the shell aluminum oxide comprising silicon and tin; the weight ratio of aluminum oxide comprising silicon and tin to amorphous silica-alumina is 1:60-1:3; in the aluminum oxide comprising silicon and tin, on basis of the weight of aluminum oxide comprising silicon and tin, the content of silicon is 0.5-2 wt %, and of tin is 0.2-1 wt %. The catalyst of the present invention is used to catalyze a mixture of MTBE and TBA to prepare isobutylene, enabling the MTBE cleavage and TBA dehydration reactions to be conducted simultaneously to generate isobutylene, achieving higher conversion rates of TBA and MTBE, and higher selectivity for generating isobutylene.

Method of preparing metal oxide-silica composite aerogel and metal oxide-silica composite aerogel prepared thereby
10792650 · 2020-10-06 · ·

The present invention relates to a method of preparing an ultra-light metal oxide-silica composite aerogel having high specific surface area and high pore volume and a metal oxide-silica composite aerogel prepared thereby. The preparation method according to the present invention may not only have good economic efficiency because production costs are relatively reduced in comparison to the related art, but may also effectively prevent the collapse of a pore structure by suppressing a shrinkage phenomenon during drying, and thus, a metal oxide-silica composite aerogel having ultra-light properties as well as high porosity characteristics, such as high specific surface area and high pore volume, may be prepared.

Hydrogenation and ethynylation catalysts
10744490 · 2020-08-18 · ·

A process for preparing a catalyst includes impregnating a metal oxide carrier with an aqueous solution to form an impregnated carrier; drying the impregnated carrier to form a dried, impregnated carrier; and heat-treating the dried, impregnated carrier in air to form the catalyst; wherein: the aqueous solution includes a copper salt; and from about 3 wt % to about 15 wt % of a C.sub.3-C.sub.6 multifunctional carboxylic acid; and the catalyst includes from about 5 wt % to about 50 wt % copper oxide.

REGULATOR FOR THE PRODUCTION OF ALKANE SULFONIC ACIDS
20200223792 · 2020-07-16 · ·

The present invention relates to a process for the production of alkane sulfonic acid with a regulator as well as two specific compounds which can be used as regulator in a respective process.

Composition of catalysts for conversion of ethanol to N-butanol and higher alcohols

A method of producing a catalyst can include heating a hydrotalcite above a decomposition temperature, forming a decomposed hydrotalcite in response to the heating, combining the decomposed hydrotalcite with a metal salt to form a catalyst mixture, and heating the catalyst mixture to convert the metal salt to a metal oxide. The resulting metal oxide combined with the decomposed hydrotalcite forms the catalyst.

Catalyst for preparing 2,5-furancarboxylic acid and a method for preparing 2,5-furancarboxylic acid using the catalyst

The present invention relates to a carboxylation catalyst, which catalyzes carboxylation of a furan-based compound containing a hydroxyl group and a carbonyl group or a derivative thereof to prepare 2,5-furandicarboxylic acid (FDCA), and is configured as a spinel support, and noble metal nanoparticles incorporated into the spinel support selected from the group consisting of MnCo.sub.2O.sub.4, CoMn.sub.2O.sub.4, and combinations thereof, and to a method of preparing 2,5-furandicarboxylic acid (FDCA), including providing a carboxylation catalyst configured such that noble metal nanoparticles are incorporated into a spinel support; and carboxylating a furan-based compound containing a hydroxyl group and a carbonyl group or a derivative thereof in the presence of the carboxylation catalyst.