Process for the preparation of a catalyst and a catalyst comprising the use of chi or gamma or gibbsite alumina. Thus, in one embodiment, the invention provides an FCC catalyst composition comprising of ultra-stabilize Y zeolite (USY zeolite) with total Lewis acidity retention of at least above 15% when increasing the adsorption temperature from 200 to 400? C. in pyridine adsorbed FT-IR and at least above 35% retention in total acidity when increasing the desorption temperature from 300 to 400? C. in ammonia TPD measurement and at least two different alumina types wherein at least one alumina is a dispersible binding alumina sol and the other alumina is of a transitional alumina phase with XRD peaks at about 37.6 (311), 45.8 (400) and 67 (440) 2-theta (referred herein as gamma alumina) or metastable phase alumina with characteristics XRD peaks of 2? values of 37, 43, and 67 degrees (referred herein as chi alumina) or non-peptizable gibbsite-alumina has the characteristics XRD peaks of 2? values of 18, 20.3 and 38 degrees (referred herein as gibbsite alumina). Further, the total amount of chi or gamma or gibbsite alumina is greater than 0 wt % to about 20-30 wt %.

The present disclosure provides a honeycomb catalyst for catalytic oxidative degradation of VOCs prepared by an ultrasonic double-atomization process. The honeycomb catalyst is prepared by performing acidification and performing hydrothermal activation in alcoholic solution for honeycomb to modify a surface; dissolving soluble transition metal inorganic salt in deionized water to obtain precursor solution; performing ultrasonic atomization of the precursor solution and the precipitant solution in the ultrasonic atomization device into droplets; placing the modified honeycomb in a special quartz glass reactor, wherein the droplets enter into the quartz glass reactor through a pipeline to come into contact with a surface of a honeycomb hole and rapidly react to generate a hydroxide precursor on the surface of the honeycomb hole; drying the honeycomb into a drying box after performing the ultrasonic atomization, and calcining the honeycomb into a muffle furnace to obtain the honeycomb catalyst loaded with transition metal oxides.

Disclosed herein are amine functionalized zeolites and methods for making amine functionalized zeolites. In one or more embodiments disclosed herein, an amine functionalized zeolite may include a microporous framework including a plurality of micropores having diameters of less than or equal to 2 nm. The microporous framework may include at least silicon atoms and oxygen atoms. The amine functionalized zeolite may further include a plurality of mesopores having diameters of greater than 2 nm and less than or equal to 50 nm and one or more of isolated terminal primary amine functionalities bonded to silicon atoms of the microporous framework or silazane functionalities, where the nitrogen atom of the silazane bridges two silicon atoms of the microporous framework.

A NOx adsorber diesel oxidation catalyst for the treatment of an exhaust gas, the catalyst comprising: a substrate comprising an inlet end, an outlet end, a substrate axial length extending from the inlet end to the outlet end and a plurality of passages defined by internal walls of the substrate extending therethrough; a first NOx adsorber (NA) coating, said coating comprising palladium supported on a first non-zeolitic oxidic material comprising ceria; a second NOx adsorber (NA) coating, said coating comprising one or more of an alkaline earth metal supported on a support material and a platinum group metal component supported on a second non-zeolitic oxidic material; and a diesel oxidation catalyst (DOC) coating, said coating comprising a platinum group metal component supported on a third non-zeolitic oxidic material.

A non-vanadium based metal oxide catalyst composition is provided. The catalyst composition comprises at least one metal oxide, comprising manganese oxide and being dispersed on the support, and a support comprising particles of composite oxide of aluminum and at least one metal selected from cerium, manganese and titanium, wherein aluminum is present in the composite oxide in an amount of from 50% to 80% by weight, calculated as Al.sub.2O.sub.3, based on the total weight of the composite oxide, and wherein manganese oxide is present in the metal oxide catalyst composition in an amount of from 2.5% to 10% by weight, calculated as MnO.sub.2, based on the total weight of the metal oxide catalyst composition.

An alcohol production method in which an alcohol is produced from a carbonyl compound, the method including producing an alcohol by using a catalyst, the catalyst including a metal component including rhenium having an average valence of 4 or less and a carrier supporting the metal component, the carrier including zirconium oxide. A catalyst for producing an alcohol by hydrogenation of a carbonyl compound, the catalyst including a carrier including zirconium oxide and a metal component supported on the carrier, the metal component including rhenium having an average valence of 4 or less.

The present invention relates to novel fused imidazo pyrazole derivatives of formula (I), and formula (II), and methods for preparation thereof, in the presence of a chitosan-Al.sub.2O.sub.3 nanocomposite film. The invention also relates to pharmaceutical compositions comprising compounds of the invention as active ingredients as well as the use of compounds of the invention for antimicrobial action. ##STR00001##

Disclosed are a dry reforming catalyst having high activity and long-term stability, and a method for preparing the dry reforming catalyst. A sol-gel reaction is performed at the interface of a catalyst for sol-gel reaction in the form of micelles to form silica particles having pores. In addition, catalyst particles of nickel or nickel oxide are formed in voids or pores of silica by using the difference in solubility in a gel state of the silica.

The present invention relates to a steam reforming catalyst for hydrogen production. More specifically, the present invention provides a novel catalysts support for sustainable hydrogen production by steam reforming process using bio-based materials feedstock such as ethanol, glycerol, n-butanol and ethylene glycol. The said improved support catalyst and metal doped catalysts therefrom, are comprising of combination of crystalline Mesoporous cellular foam (MCF) silica and basic site assistant for enhancing catalytic activity of doped active metals thereon and lower coke formation. The benefits of present invention is in the cost efficient steam reforming process for hydrogen production, wherein the said catalysts are efficiently providing a high reactant conversion at lower temperature, no coke formation, high thermal stability for longer time and effective catalytic performance for multiple cycles.

An alkali-free H-AFX zeolite and synthesis procedure are disclosed, as well the use of such zeolite as a catalyst in an SCR process.