The present invention relates to a catalytic material for the preparation of one or more of 4,4′-methylenedianiline, 2,2′-methylenedianiline, 2,4′-methylenedianiline, and oligomers of two or more thereof, the catalytic material comprising an oxidic support, wherein the oxidic support comprises an element E.sub.OS1 selected from the group consisting of Ti, Zr, Al, Si, and mixtures of two or more thereof, and further comprising a supported material supported on the oxidic support, wherein the supported material comprises an element E.sub.SM1 selected from the group consisting of Ti, Zr, V, Nb, Ta, Mo, W, Ge, Sn, Sc, Y, La, Ce, Nd, Pr, Hf, Cr, Fe, Co, Ni, Cu Zn, Pb and mixtures of two or more thereof. Further, the present invention relates in particular to a process for the preparation of a catalytic material and to a process for the preparation of one or more of 4,4′-methylenedianiline, 2,2′-methylenedianiline, 2,4′-methylenedianiline and oligomers of two or more thereof.

Catalyst compositions to perform selective alkyl-demethylation of C2+-hydrocarbyl-substituted aromatic hydrocarbon may exhibit a hydrogen chemisorption of at least 15% and comprise an oxide support material selected from the group consisting of an alkaline earth metal oxide, silica, a composite of an alkaline earth metal oxide and Al.sub.2O.sub.3, a composite of ZnO and Al.sub.2O.sub.3, a lanthanide oxide, a composite of a lanthanide oxide and Al.sub.2O.sub.3, and combinations and mixtures of two or more thereof; and a transition metal element dispersed upon the oxide support material. Alkyl-demethylation processes of a C6+ aromatic hydrocarbon-containing stream comprising C2+-hydrocarbyl-substituted aromatic hydrocarbons may comprise contacting the catalyst compositions in an alkyl-demethylation zone under alkyl-demethylation conditions to form an alkyl-demethylated aromatic hydrocarbon as an effluent exiting the alkyl-demethylation zone.

A DLM-1 molecular sieve, a process for preparing the molecular sieve, and use thereof in treating an organic substance are provided. The DLM-1 molecular sieve is an Al-SBA-15 molecular sieve, and has a schematic chemical composition as represented by the formula “first oxide*second oxide”. The first oxide is silica, the second oxide is alumina, and the content by mass percent of alumina in the schematic chemical composition is 2% to 85%. The DLM-1 molecular sieve is suitable for the hydrodenitrogenation reaction of heavy distillate oil, and is favorable for improving the hydrodenitrogenation activity.

Embodiments include hydrogenating catalysts and methods of making the same. The catalyst includes nanoparticles of a metal phosphide, such as nickel phosphide with a Ni.sub.5P.sub.4 phase. Also included are methods of hydrogenating a gas that contains sulfur. The methods include directing the gas containing sulfur to a catalyst that includes nanoparticles of a metal phosphide, and contacting the catalyst with the gas containing sulfur to produce a hydrogenated gas.

The present invention is directed to unique processes, catalysts and systems for the direct production of liquid fuels (e.g., premium diesel fuel) from synthesis gas produced from natural feedstocks such as natural gas, natural gas liquids, carbon dioxide or other similar compounds or materials. In one aspect, the present invention provides a process for the production of a hydrocarbon mixture comprising the steps of: a) reducing a catalyst in-situ in a fixed bed reactor; b) reacting a feed gas that contains hydrogen and carbon monoxide with the catalyst to produce a hydrocarbon product stream, wherein the hydrocarbon product stream comprises light gases, a diesel fuel and a wax, and wherein the diesel fuel fraction is produced without requiring the hydroprocessing of wax, and wherein the catalyst comprises one or more metals deposited on a gamma alumina support at greater than about 5 weight percent, and wherein platinum or rhenium is included on the support in an amount ranging from about 0.01 weight percent and about 2 weight percent as a promoter, and wherein the catalyst has surface pore diameters between about 100 and 150 Angstroms, sub-surface pore diameters between 10 and 30 Angstroms a crush strength greater than about 3 lbs./mm, a mean effective pellet radius less than about 600 microns, and a BET surface area greater than about 100 m.sup.2/g, and wherein the diesel fuel comprises more than about 70 percent C.sub.8-C.sub.24 hydrocarbons.

Carbon-based single metal atom or bimetallic, trimetallic, or multimetallic alloy transition metal-containing catalysts derived from exoelectrogen bacteria and their methods of making and using thereof are described. The method comprising the steps of: (a) preparing a solution medium comprising at least an electron donor and an electron acceptor comprised of one or more salts of a transition metal; (b) providing exoelectrogen bacterial cells and mixing the exoelectrogen bacterial cells into the solution medium of step (a); (c) incubating the solution medium of step (b); (d) isolating the exoelectrogen bacterial cells from the incubated solution medium of step (c); and (e) pyrolyzing the exoelectrogen bacterial cells resulting in formation of the catalyst. The electron donor can be formate, acetate, or hydrogen.

A method of producing a porous carbon is provided that can change type of functional groups, amount of functional groups, or ratio of functional groups while inhibiting its pore structure from changing. A method of producing a porous carbon includes: a first step of carbonizing a material containing a carbon source and a template source, to prepare a carbonized product; and a second step of immersing the carbonized product into a template removing solution, to remove a template from the carbonized product, and the method is characterized by changing at least two or more of the following conditions: type of the material, ratio of the carbon source and the template source, size of the template, and type of the template removal solution, to thereby control type, amount, or ratio of functional groups that are present in the porous carbon.

Methods of synthesizing Bi.sub.2S.sub.3—CdS particles in the form of spheres as well as properties of these Bi.sub.2S.sub.3—CdS particles are described. Methods of photocatalytic degradation of organic pollutants employing these Bi.sub.2S.sub.3—CdS particles and methods of preventing or reducing microbial growth on a surface by applying these Bi.sub.2S.sub.3—CdS particles in the form of a solution or an antimicrobial product onto the surface are also specified.

Catalyst particles comprising one or more active metal components and methods for manufacturing such catalyst particles are provided. The particles are a composite of a granulating agent or binder material such as an inorganic oxide, and an ultra-stable Y (hereafter “USY”) zeolite in which some of the aluminum atoms in the framework are substituted with zirconium atoms and/or titanium atoms and/or hafnium atoms. The one or more active phase components are incorporated in a composite mixture of the inorganic oxide binder and the post-framework modified USY zeolite prior to forming the catalyst particles.

Process for isomerization of paraffinic feedstocks operating at a temperature of between 200° C. and 500° C., at a total pressure of between 0.45 MPa and 7 MPa, at a partial pressure of hydrogen of between 0.3 and 5.5 MPa, at an hourly space velocity of between 0.1 and 10 kg of feedstock introduced per kg of catalyst and per hour, using a catalyst having at least one group VIII metal, at least one matrix and at least one IZM-2 zeolite, the total weight content of alkali metal and/or alkaline-earth metal elements is less than 200 ppm by weight relative to the total mass of said catalyst.