Metal nanoparticle-bearing carbonaceous supports, or solid-supported metal-catalysts, can be formed by incipient wetness, wet impregnation and ethylene glycol reduction methods. The solid-supported metal-catalysts can be used a heterogeneous catalysts in various catalytic reactions such as hydrodeoxygenation reactions, catalyze hydrodehalogenation reactions, N—N hydrogenolysis reactions and oxidation reactions. The solid-supported metal-catalysts are easy to handle, are easily separable from reaction media, are stable in various types of reaction media, and are recyclable.

Process for preparing a catalyst containing an active phase based on a group VIII metal and a porous support, comprising the following steps: bringing said support into contact with an organic compound comprising at least oxygen and/or nitrogen; bringing the porous support into contact with a solution containing a precursor of the active phase comprising a group VIII metal; drying the catalyst precursor at a temperature of less than 200° C. so as to obtain a dried catalyst precursor; calcining the dried catalyst precursor at a temperature of between 200° C. and 1100° C. under a stream of inert gas and/or of oxidizing gas, it being understood that the velocity of said gas stream, defined as the mass flow rate of said gas stream per volume of catalyst per hour, is greater than 1 litre per gram of catalyst and per hour.

A system and a method for isomerizing a 2-butene feed stream to form a 1-butene product stream are provided. An exemplary method includes calcining the red mud, flowing a butene feedstock over the red mud in an isomerization reactor, and separating 1-butene from a reactor effluent.

A bi-reforming catalyst that includes treated black powder (primarily hematite), and a method of treating black powder (e.g., from a natural gas pipeline) to give the treated black powder. A bi-reformer having the treated black powder as reforming catalyst, and a method of producing syngas with the bi-reformer.

This invention relates to development of novel Cu-based nanocatalysts synthesized via one-pot solution combustion synthesis for CO.sub.2 hydrogenation to methanol. The novel Cu-based catalyst has exceptional activity for CO.sub.2 hydrogenation with high methanol selectivity in the reaction temperature range between 250° C.-350° C. The novel catalyst also exhibits excellent resilience to deactivation due to sintering.

A nitrogen-doped catalyst for oxidative coupling of methane, which is a catalyst for obtaining a C2 hydrocarbon product with high yield, and a method for manufacturing the catalyst are provided. An embodiment of the present inventive concept relates to a nitrogen-doped catalyst for oxidative coupling of methane having a silica support; and sodium tungstate and manganese supported on the support.

Proposed are a low-temperature DeNOx catalyst for selective catalytic reduction having improved sulfur resistance and a method of manufacturing the same. The low-temperature DeNOx catalyst for selective catalytic reduction having improved sulfur resistance accelerates the reduction reaction of nitrogen oxides even at low temperatures despite the small amount of vanadium supported, improves sulfur poisoning resistance, does not cause secondary environmental pollution by treated gas, has excellent abrasion resistance and strength and thus the removal efficiency of nitrogen oxides is not reduced even during long-term operation, and is easy to manufacture, thus contributing to commercialization.

A catalyst including a modified silica support having a titanium modifier metal, and a catalytic metal on the modified silica support. A proportion of the modifier metal is present in the form of mononuclear titanium moieties or is derived from a mononuclear titanium cation source at the commencement of modification. The invention also discloses a corresponding modified silica support, a method of producing the catalyst or the modified silica support, and a process for preparing an ethylenically unsaturated acid or ester in the presence of the catalyst.

A cobalt catalyst precursor is described comprising cobalt oxide crystallites disposed within pores of a titania support, wherein the cobalt oxide crystallites have an average size as determined by XRD in the range 6 to 18 nm, and the titania support is a spherical titania support with a particle size in the range 100 to 1000 μm, wherein the catalyst precursor has a pore volume of 0.2 to 0.6 cm.sup.3/g and an average pore diameter in the range 30 to 60 nm, and wherein the catalyst precursor has a ratio of the average cobalt oxide crystallite size to the average pore diameter in the range 0.1:1 to 0.6:1. The catalyst precursor may be reduced to provide catalysts suitable for use in Fisher-Tropsch reactions.

A preparation method for a propylene epoxidation catalyst: pre-hydrolyzing a silicon source, adding a titanium source and reacting to form a sol, atomizing the sol and then spraying it into liquid ammonia for molding, implementing pore broadening, and performing drying, calcination, and silanization treatment to obtain a Ti—SiO.sub.2 composite oxide catalyst. The present catalyst can be used in the chemical process of preparing propylene oxide by epoxidation of propylene, the average propylene oxide selectivity being up to 97.5%, having prospects for industrial application.