Proposed are a coordination complex compound-ZIF complex and a method of preparing the same. More particularly, proposed are a coordination complex compound-ZIF complex, which is a complex on which a coordination complex compound is supported by being chemically and directly bonded to a metal vacancy site of a ZIF, capable of being usable as a heterogeneous catalyst that can be recovered and reused in subsequent processes and maintaining catalytic functions of the coordination complex compound, which is an active ingredient, and to a method of preparing the same.

A catalyst structure includes a carrier having a porous structure composed of a zeolite type compound and at least one catalytic material existing in the carrier. The carrier has channels communicating with each other, and the catalytic material is a metal fine particle and exists at least in the channel of the carrier.

Catalysts, catalytic systems and related synthetic methods for in situ production of H.sub.2O.sub.2 and use thereof in reaction with oxidizable substrates.

Embodiments of the present disclosure provide for IrO.sub.2 catalysts, methods of making IrO.sub.2 catalysts, methods of using IrO.sub.2 catalysts to make methanol, formaldehyde, and/or ethylene from CH.sub.4, systems for using IrO.sub.2 catalysts, and the like.

The present invention relates to a manufacturing method and a manufacturing apparatus for calcium formate and, more particularly, to a manufacturing method and a manufacturing apparatus for calcium formate, wherein the formic acid-amine adduct prepared in a process using hydrogenation of carbon dioxide is reacted with a calcium compound, whereby calcium formate can be manufactured and separated in a simple process while excluding complicated separation processes and co-bases required by conventional formic acid manufacturing processes, with the resultant improvement of economical benefit and efficacy in the process.

Provided are a supported catalyst including: a support body which is formed by a catalyst composition being supported by a carrier, in which the catalyst composition contains an oxide of copper, and the carrier contains Al.sub.2O.sub.3.B.sub.2O.sub.3 ( and each represent a positive number); and a hydrogen production method for producing hydrogen from ammonia, including: an ammonia combustion step of reacting ammonia with oxygen in the presence of the supported catalyst; and an ammonia decomposition step of decomposing the ammonia into hydrogen and nitrogen by utilizing heat generated by the reaction between the ammonia and the oxygen.

Methods, compositions, and articles of manufacture for alkane activation with single- or bi-metallic catalysts on crystalline mixed oxide supports.

The present invention relates in part to a method of fabricating multimetallic nanoparticles, the method comprising the steps of providing a substrate; activating the substrate surface; adsorbing a cationic transition metal complex onto the substrate surface to form a substrate-supported cationic transition metal complex; adsorbing an anionic transition metal complex onto the substrate-supported cationic transition metal complex to form a substrate-supported multimetallic complex salt; and reducing the substrate-supported multimetallic complex salt to provide a plurality of multimetallic nanoparticles. The invention also relates in part to a composition of multimetallic nanoparticles comprising at least two metals M.sub.a and M.sub.b; wherein the ratio of M.sub.a to M.sub.b is between about 2:1 and about 1:2.

The present invention relates to a catalyst system comprising: i. a first layer of a hydrocarbon conversion catalyst, the hydrocarbon conversion catalyst comprising: a first composition comprising a platinum group metal on a solid support; and a second composition comprising a transition metal on an inorganic support; ii. a second layer comprising a cracking catalyst; and to a process for conversion of a hydrocarbon feed utilizing this catalyst system.

A method for preparing a colloidal dispersion of precious metal nanoparticles free of organic adsorbates that have a molar weight above 100 g/mol, the colloidal dispersion of the precious metal nanoparticles obtained by the method according to the invention, solid and re-dispersed precious metal nanoparticles and products comprising colloidally dispersed or solid precious metal nanoparticles.