The present invention relates to a process for the regeneration of a catalyst comprising a titanium-containing zeolite, said catalyst having been used in a process for the preparation of an olefin oxide and having phosphate deposited thereon, said process for the regeneration comprising the steps: (a) separating the reaction mixture from the catalyst, (b) washing the catalyst obtained from (a) with liquid aqueous system; (c) optionally drying the catalyst obtained from (b) in a gas stream comprising an inert gas at a temperature of less than 300? C.; (d) calcining the catalyst obtained from (c) in a gas stream comprising oxygen at a temperature of at least 300? C.

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.

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##

A composition for the destruction of chemical warfare agents and toxic industrial chemicals having a polyoxometalate (POM) attached to an amine, carboxylic acid, or ammonium substituted porous polymer. Also disclosed is a method for attaching a POM to an amine, carboxylic acid, or ammonium substituted porous polymer by (1) dissolving the POM in water or an organic solvent, adding the functionalized porous polymer, whereby the POM ionically attaches to the amine, carboxylic acid or ammonium group, or (2) heating the POM and functionalized polymer in the presence of a dehydrating agent whereby an imide bond is produced between the POM and the functionality on the porous polymer.

A solid-supported palladium(II) complex which catalyzes the Mizoroki-Heck coupling reaction efficiently and a method of employing the solid-supported palladium(II) complex to synthesize cinnamic acid and derivatives thereof. The solid-supported palladium(II) complex is also stable and can be recycled without significantly losing catalytic activity.

A new crystalline aluminosilicate zeolite comprising a MTT framework has been synthesized that has been designated UZM-53. This zeolite is represented by the empirical formula:

M.sup.+.sub.mR.sub.rAl.sub.1xE.sub.xSi.sub.yO.sub.z

where M represents sodium, potassium or a combination of sodium and potassium cations, R is the organic structure directing agent or agents derived from reactants R1 and R2 where R1 is diisopropanolamine and R2 is a chelating diamine, and E is an element selected from the group consisting of gallium, iron, boron and mixtures thereof. Catalysts made from UZM-53 have utility in various hydrocarbon conversion reactions such as oligomerization.

Described is a selective catalytic reduction catalyst comprising a zeolitic framework material of silicon and aluminum atoms, wherein a fraction of the silicon atoms are isomorphously substituted with a tetravalent metal. The catalyst can include a promoter metal such that the catalyst effectively promotes the reaction of ammonia with nitrogen oxides to form nitrogen and H.sub.2O selectively over a temperature range of 150 to 650 C. A method for selectively reducing nitrogen oxides and an exhaust gas treatment system are also described.

Embodiments relate to a cerium-containing nano-coating composition, the composition including an amorphous matrix including one or more of cerium oxide, cerium hydroxide, and cerium phosphate; and crystalline regions including one or more of crystalline cerium oxide, crystalline cerium hydroxide, and crystalline cerium phosphate. The diameter of each crystalline region is less than about 50 nanometers.