Abstract: Provided is an emission treatment system and method for simultaneously remediating the nitrogen oxides (NOx), particulate matter, and gaseous hydrocarbons present in diesel engine exhaust streams. The emission treatment system has an oxidation catalyst upstream of a soot filter coated with a material effective in the Selective Catalytic Reduction (SCR) of NOx by a reductant, e.g., ammonia. Also provided is a method for disposing an SCR catalyst composition on a wall flow monolith that provides adequate catalyst loading, but does not result in unsuitable back pressures in the exhaust.

Abstract: Provided are methods of making dehydrogenation catalyst supports containing bayerite and silica. Silica-stabilized alumina powder, prepared by spray drying of bayerite powder, precipitating silica in a bayerite slurry with an acid, or impregnation or co-extrusion of bayerite with sodium silicate solution was found to be a superior catalyst support precursor. Catalysts prepared with these silica containing support materials have higher hydrothermal stability than current CATOFIN® catalysts. Also provided is a dehydrogenation catalyst comprising Cr2O3, an alkali metal oxide, SiO2 and Al2O3, and methods of using said catalyst to make an olefin and/or dehydrogenate a dehydrogenatable hydrocarbon.

Abstract: The invention relates to a process for producing a protected reduced supported metal catalyst powder, in particular catalysts used in a variety of chemical reactions, such as the hydrogenation of hydrocarbon compounds in petrochemical and oleo-chemical processes; the hydrogenation of unsaturated fats and oils, and unsaturated hydrocarbon resins; and in the Fischer Tropsch process. This invention also relates to a composition comprising said catalyst and a liquid. In accordance with the invention there is provided a process for preparing a protected, reduced metal catalyst on a support, wherein said supported catalyst is in the form of a powder, which process comprises contacting and mixing said supported catalyst with a liquid in an inert atmosphere and wherein the amount of liquid corresponds to up to five times the amount required for incipient wetness.

Abstract: A composition in compacted form for use for termite monitoring and control comprises a cellulose material which may be purified cellulose or microcrystalline cellulose as a base bait, the composition being compacted to an optimum density of not less than approximately 1.033 g/cc. Also disclosed is a method for monitoring and controlling termite infestations which comprises the steps of a) preparing such a composition; b) placing the composition in a bait station; c) monitoring the station at periodic time intervals for termites; and d) upon observing termite infestation in the bait station, replacing the above composition with a bait composition containing a termite killing agent.

Abstract: A resin composition includes a compound having at least two reactive hydrogen atoms and a polyurethane encapsulated particle including a core particle and a polyurethane layer disposed about the core particle. The resin composition may be used in an article and in a method of making the article. The article includes the reaction product of the resin composition and an isocyanate that are reacted in the presence of the polyurethane encapsulated particle. The method of making the article includes providing the core particle in a vessel. The method also includes introducing and combining a polyol component and an isocyanate component to encapsulate the core particle. The method further includes introducing and combining the resin composition and the isocyanate, in the presence of the polyurethane encapsulated particle, to form the article.

Abstract: The invention is directed to a process for the hydrogenation of unsaturated fatty acids to produce saturated fatty acids, said process comprising hydrogenating the unsaturated fatty acid in the presence of hydrogen and a supported nickel catalyst, said supported nickel catalyst comprising an oxidic support, 5 to 80 wt. % of nickel, calculated as atomic nickel on the weight of the catalyst, 0.1 to 10 wt. % of a copper promoter, calculated as atomic copper on the weight of the catalyst and 1 to 10 wt. % of a group II metal, calculated as metallic oxide on the weight of the catalyst.

Abstract: Provided are hydroisomerization catalysts for processing a bio-based feedstock into biodiesel fuels. These catalysts comprise a catalytic material and a matrix component. The catalytic material is made up of a molecular sieve that has a pre-loaded platinum group metal. The catalytic material and the matrix component are processed together to form the hydroisomerization catalyst. Methods of making these hydroisomerization catalysts include synthesizing a molecular sieve; purifying the molecular sieve; associating the molecular sieve with a platinum group metal in the absence of the matrix component to form the pre-loaded molecular sieve before formation of a catalyst body; mixing the pre-loaded molecular sieve with the matrix component to form a mixture; processing the mixture to form a catalyst body; and drying and calcining the catalyst body to form the hydroisomerization catalyst. These hydroisomerization catalysts can be used to process hydrodeoxygenated plant- or animal-derived feeds to yield a biofuel.

Abstract: A trim bead for a building wall incorporates an outwardly extending flange portion to provide a mechanical key for a layer of exterior finishing coatings, such as stucco coatings. The trim bead may be used in stucco systems for exterior building walls that employ continuous thermal insulation over the building wall substrate.

Abstract: Provided are emissions treatment systems for an exhaust stream having an ammonia-generating component, such as a NOx storage reduction (NSR) catalyst or a lean NOx trap (LNT) catalyst, and an SCR catalyst disposed downstream of the ammonia-generating catalyst. The SCR catalyst can be a molecular sieve having the CHA crystal structure, for example SSZ-13 or SAPO-34, which can be ion-exchanged with copper. The LNT can be layered, having an undercoat washcoat layer comprising a support material, at least one precious metal, and at least one NOx sorbent selected from the group consisting of alkaline earth elements, rare earth elements, and combinations thereof and a top washcoat layer comprising a support material, at least one precious metal, and ceria in particulate form, the top washcoat layer being substantially free of alkaline earth components. The emissions treatment system is advantageously used for the treatment of exhaust streams from diesel engines and lean burn gasoline engines.

Abstract: Described is a catalyzed soot filter wherein the inlet coating of the filter comprises an oxidation catalyst comprising platinum (Pt) and optionally palladium (Pd), wherein the outlet coating of the filter comprises an oxidation catalyst comprising Pd and optionally Pt, wherein the Pt concentration in the outlet coating is lower than the Pt concentration in the inlet coating and wherein the weight ratio of Pt:Pd in the outlet coating is in the range of from 0:1 to 2:1; and wherein the inlet coating and the outlet coating are present on the wall flow substrate at a coating loading ratio in the range of from 0.5 to 1.5, calculated as ratio of the loading of the inlet coating (in g/inch3 (g/(2.54 cm)3)):loading of the outlet coating (in g/inch3 (g/(2.54 cm)3)). Systems include such catalyzed soot filters, methods of diesel engine exhaust gas treatment and methods of manufacturing catalyzed soot filters are also described.

Abstract: Described are SCR catalyst systems comprising a first SCR catalyst composition and a second SCR catalyst composition arranged in the system, the first SCR catalyst composition promoting higher N2 formation and lower N2O formation than the second SCR catalyst composition, and the second SCR catalyst composition having a different composition than the first SCR catalyst composition, the second SCR catalyst composition promoting lower N2 formation and higher N2O formation than the first SCR catalyst composition. The SCR catalyst systems are useful in methods and systems to catalyze the reduction of nitrogen oxides in the presence of a reductant.

Abstract: Provided are methods for maintaining the ratio of the oxime to equilibrium modifier concentration in solvent extraction circuits, said solvents essentially consisting of at least one ketoxime and/or aldoxime; at least one equilibrium modifier; and at least one diluent.

Abstract: Catalyzed soot filters comprising a wall flow monolith having porous walls, a first washcoat permeating the porous walls and a second washcoat on the porous walls are disclosed. Methods of manufacturing catalyzed soot filters and diesel engine exhaust emission treatment systems are also disclosed.

Abstract: A method of preparing a metal containing inorganic ion exchanger in an electrochemical cell is disclosed. In one embodiment, the method comprises: (a) adding the inorganic ion exchanger to the electrochemical cell, wherein the electrochemical cell comprises a conductive electrolyte solution having a liquid phase and a solid phase; (b) depositing metal ions electrochemically into the liquid phase; (c) allowing the metal ions to deposit onto the inorganic ion exchanger during an electrochemical reaction to obtain a metal containing inorganic ion exchanger; (d) collecting the solid phase comprising the metal containing inorganic ion exchanger obtained in step (c); (e) removing remaining metal ions from the liquid phase; and (f) obtaining a substantially metal free liquid phase.

Abstract: An oxidation catalyst composite, methods, and systems for the treatment of exhaust gas emissions from a diesel engine are described. More particularly, an oxidation catalyst composite including a zoned diesel oxidation catalyst with a first washcoat zone with a Pt/Pd ratio that is less than 3:1 and a PGM loading at least twice that of a second washcoat zone.

Abstract: Described are catalyst compositions, catalytic articles, exhaust gas treatment systems and methods that utilize the catalytic articles. The catalyst composition comprises a washcoat including a zeolite, refractory metal oxide support particles, and a platinum group metal supported on the refractory metal oxide support particles. Greater than 90% of the refractory metal oxide particles supporting PGM have a particle size greater than 1 ?m and a d50 less than 40 microns.

Abstract: Described are SCR catalyst systems comprising a first SCR catalyst composition and a second SCR catalyst composition arranged in the system, the first SCR catalyst composition having a faster DeNOx response time when exposed to ammonia than the second catalyst composition and the second SCR catalyst composition has a higher steady state DeNOx performance than the first catalyst composition. The SCR catalyst systems are useful in methods and systems to catalyze the reduction of nitrogen oxides in the presence of a reductant.

Abstract: Provided is a particulate filtration apparatus for removing combustible and noncombustible particulate matter from a lean burn engine exhaust gas stream containing particulate matter. The apparatus comprises a cyclone body with a roughened surface on the inner walls designed to trap and agglomerate the combustible particulate matter. A catalyst, selected from a selective catalytic reduction catalyst, an ammonia oxidation catalyst, a hydrolysis catalyst, an oxidation catalyst, a three-way catalyst, and combinations thereof can be coated on the roughened surface. Also provided is a system and methods for treating an exhaust gas stream.

Abstract: A lean NOx trap for the treatment of exhaust gas emissions, such as the oxidation of unburned hydrocarbons (HC), and carbon monoxide (CO), and the trapping and reduction of nitrogen oxides (NOx) is disclosed. Nitrogen oxide storage catalysts can comprise a layer on a substrate including ceria-alumina particles having a ceria phase present in a weight percent of the composite in the range of about 20% to about 80% on an oxide basis, an alkaline earth metal component supported on the ceria-alumina particles, wherein the CeO2 is present in the form of crystallites that are hydrothermally stable and have an average crystallite size less than 130 ? after aging at 950° C. for 5 hours in 2% O2 and 10% steam in N2.

Abstract: Described are catalyst materials and catalytic articles comprising a metal exchanged SAPO material comprising a plurality of substitutional sites consisting essentially of Si(4Al) sites and substantially free of Si(0Al) sites. The materials and catalytic articles are useful in methods and systems to catalyze the reduction of nitrogen oxides in the presence of a reductant.