The invention relates to a process for preparing a synthetic IZM-2 zeolite, which consists in performing a hydrothermal treatment of an aqueous gel containing a source of silicon and a source of amorphous aluminium, two nitrogenous or structuring organic compounds including two quaternary ammonium functions, 1,6-bis(methylpiperidinium)hexane dihydroxide and 1,6-bis(methylpiperidinium)hexane dibromide, used as a mixture, in combination with a source of a specific alkali metal chloride M (preferably NaCl), the aqueous gel not comprising any source of at least one fluoride anion.

The invention describes single-site metal catalysts such as Pt single-site centers with a 3,6-di-2-pyridyl-1,2,4,5-tetrazine (DPTZ) ligand on support such as a powdered MgO, Al.sub.2O.sub.3, CeO.sub.2 or mixtures thereof.

A process for treating a material, such as by calcination or reduction processes, is disclosed. The process comprises reacting hydrogen and oxygen in a reaction chamber and producing heat and steam, discharging steam from the reaction chamber, using the heat to treat the material and produce a treated material, and returning at least some of the steam discharged from the reaction chamber to the process. An apparatus is also disclosed.

The present invention addresses to a catalyst, and the method for obtaining the same, for generating hydrogen and/or syngas. More specifically, the present invention describes a catalyst based on nickel, molybdenum and tungsten, for steam reforming processes of natural gas or other hydrocarbon streams (refinery gas, propane, butane, naphtha or any mixture thereof) that presents high resistance to deactivation by coke deposition. According to the present invention, the catalyst has NiMoW as its active phase, in bulk form and/or supported on an alumina oxide and other high surface area oxide supports, and may also contain other promoters. Furthermore, the present invention teaches the production of a catalyst whose active phase of NiMoW has high activity for hydrocarbon steam reforming reaction.

A nanoparticle cluster reduction method yields a new composition of matter including a large percentage (e.g., 75% or higher percentage) of primary nanoparticles in the new composition of matter. The particle reduction method reduces the size of nanoparticle clusters in material of the new composition of matter, allows particle reduction of specific nanoparticle cluster sizes, and allows particle reduction to primary nanoparticles. This new composition of matter can include a high permittivity and high resistivity dielectric compound. This new composition of matter, according to certain examples, has high permittivity, high resistivity, and low leakage current. In certain examples, the new composition of matter constitutes a dielectric energy storage device that is a battery with very high energy density, high operating voltage per cell, and an extended battery life cycle. An example method can include a controlled gas evolution reaction to reduce the size of nanoparticle clusters.

Catalyst comprising a nickel-based active phase and an alumina support, characterized in that: the nickel is distributed both on a crust at the periphery of the support, and in the core of the support, the thickness of said crust being between 2% and 15% of the diameter of the catalyst; the nickel density ratio between the crust and the core is strictly greater than 3; said crust comprises between 40% and 80% by weight of nickel element relative to the total weight of nickel contained in the catalyst; the size of the nickel particles in the catalyst is less than 7 nm.

The present invention belongs to the technical field of functional organic macromolecule composite catalysts and involves the preparation of a nitrogen-doped lattice macromolecule composite loaded with an efficient denitrification and sulfur resistance catalyst, firstly using the method of adding metal salts to make a large amount of Ce.sup.3+, Ce.sup.4+, Sn.sup.3+ and Sn.sup.4+ ions accumulate around the cyanuric acid molecule. Afterwards, 2,4,6-triaminopyrimidine and cytosine were added to graft with the cyanuric acid to produce the N-doped macromolecule in the first stage. After that, potassium permanganate was used as the oxidizing agent, and redox reaction occurred on the surface of N-doped macromolecules, so that the manganese cerium tin catalyst was grown in situ on the surface of N-doped macromolecules, and finally calcined at once to cross-link the N-doped macromolecules to generate catalyst composites. The catalysts described in this invention have higher efficient NOx reduction and sulfur resistance performance.

Described is the use of a mineral comprising a metal carbonate fraction and a fuel fraction, such as oil shale or coal shale, in a calcination process. The disclosed process can advantageously result in carbon dioxide being removed from the atmosphere. Further, in the process, heat energy generated during calcination can be used to separate oxygen from air, so that the oxygen can be fed back into the system. Alternatively or in addition, heat energy may also be used to compress the gaseous carbon dioxide generated from the calcination process.

The present disclosure relates to a catalyst that removes an organic compound by using a metal oxide catalyst and a preparation method thereof and a method for degradation of an organic compound using the same. Particularly, the present disclosure relates to a copper-iron oxide (Cu—Fe.sub.2O.sub.3) catalyst composition that is prepared by following steps of: adding a mixed solution of an iron (Fe) precursor and a copper (Cu) precursor to a precipitator solution (S1); obtaining precipitates by heating a solution prepared in the step S1 (S2); obtaining a metal oxalate by filtering the precipitates obtained in the step S2 (S3); drying the metal oxalate obtained in the step S3 (S4); and obtaining a copper-iron oxide catalyst by calcinating the metal oxalate subjected to the step S4 (S5) and a method for removal of an organic compound using the same.

The invention relates to a shaped catalyst body in the form of a tetralobe having four circular through-passages, with the midpoints of the through-passages forming a square and the spacings between in each case two adjacent through-passages being from 0.8 to 1.2 times the thickness of the outer walls of the through-passages. The shaped catalyst body is used for the oxidation of S02 to S03.