Abstract: There is provided a method of forming a catalyst precursor, including the steps of: (a) forming a precipitate from a slurry, wherein the slurry comprises (i) a mixture of an iron precursor, at least one promotor precursor and a solvent and (ii) a solution of an alkali base; and (b) calcining the precipitate to form the catalyst precursor. There is also provided a catalyst precursor; a method of forming a catalyst; and a catalyst.

Abstract: The present invention relates to a method of preparing a nano-sized, iron-based catalyst, the method comprising: mixing a solution containing an iron salt with a surfactant to form a mixture; adding a basic salt solution comprising a salt of element selected from the group consisting of: alkali metals, alkaline earth metals, transition metals of groups 3 to 7 and 9 to 11 of the Periodic Table of Elements, lanthanides, and combinations of elements thereof, to the mixture to form a precipitate; and calcining said precipitate to form the iron-based catalyst, said iron-based catalyst at least partially comprising said element of said basic salt. The present invention also relates to a nano-sized, iron-based catalyst prepared by the above method and a process for the production of light olefins using the nano-sized, iron-based catalyst.

Abstract: The present invention relates to a hybrid iron nanoparticle catalyst comprising: i) 1 to 50 wt. % nanoparticles comprising iron and at least one of a metal M selected from the group consisting of alkali metals, alkaline earth metals, transition metals of groups 3 to 7 and 9 to 11 of the Periodic Table of Elements, lanthanides and combinations of M thereof; and ii) 50 to 99 wt. % of an aluminosilicate or silicoaluminophosphate zeolite, based on the total weight of the catalyst, wherein said nanoparticle has a diameter of about 2 to 50 nm. The present invention also relates to a method of preparing the hybrid iron nanoparticle catalyst and a process for the production of light olefins using the hybrid iron nanoparticle catalyst.

Abstract: The invention relates generally to a sodium faujasite catalyst, and in particular the use of the sodium faujasite catalyst in producing acrylic acid. In particular, the invention relates to the use of the sodium faujasite catalyst in catalytic dehydration of lactic acid and 3-hydroxypropionic acid (3-HP) to produce acrylic acid.

Abstract: The invention relates to a catalyst, comprising a catalytic element disposed on a substrate, wherein said substrate has formula Ce1-xMxO2, wherein x is between about 0 and about 0.3, optionally between about 0.01 and about 0.3, and wherein M, if present, is a metallic element other than Ce, when used for catalysing a methanation reaction. There is also described use of the catalyst for catalysing a methanation reaction and a method for methanation of a feedstock including carbon monoxide and hydrogen, said method comprising contacting the feedstock with the catalyst.

Abstract: The invention relates to use of a catalyst comprising particles of nickel dispersed in a porous silica matrix for catalyzing a methanation reaction. There is also described a method for methanation of a feedstock at least comprising gases carbon monoxide and hydrogen, said method comprising contacting the feedstock with the catalyst.

Abstract: The invention relates generally to a sodium faujasite catalyst, and in particular the use of the sodium faujasite catalyst in producing acrylic acid. In particular, the invention relates to the use of the sodium faujasite catalyst in catalytic dehydration of lactic acid and 3-hydroxypropionic acid (3-HP) to produce acrylic acid.

Abstract: The present invention provides the use of a metal-doped hydroxyapatite catalyst for highly selective conversion of an alcohol to an aldehyde at low temperatures. More specifically, the invention provides the use of a silver-doped hydroxyapatite catalyst for the highly selective oxidative dehydrogenation of ethanol to acetaldehyde. The present invention also provides the method for converting ethanol to acetaldehyde using a silver-doped hydroxyapatite catalyst.

Abstract: A Zn—Si or Fe—Si zeolite having an MWW framework may be formed by treating a gel solution with a hydrothermal treatment. The gel solution includes water, a silicon source, a zinc or iron source, and an MWW-templating agent. The hydrothermal treatment may include dissolving the source materials in the gel solution, and heating the gel solution with the dissolved sources to induce hydrothermal crystallization in the gel solution. The zeolite can be substantially free of aluminum, and can be used in a catalyst, or in a separation or purification device.

Abstract: The invention relates to a catalyst, comprising a catalytic element disposed on a substrate, wherein said substrate has formula Ce1-xMxO2, wherein x is between about 0 and about 0.3, optionally between about 0.01 and about 0.3, and wherein M, if present, is a metallic element other than Ce, when used for catalysing a methanation reaction. There is also described use of the catalyst for catalysing a methanation reaction and a method for methanation of a feedstock including carbon monoxide and hydrogen, said method comprising contacting the feedstock with the catalyst.

Abstract: A heated reaction gas comprising methane is contacted with first and second catalysts to catalyze production of an aromatic hydrocarbon. The first catalyst is more active than the second catalyst for catalyzing aromatization of methane, and the second catalyst is more active than the first catalyst for catalyzing aromatization of ethane. A reactor for producing aromatic hydrocarbons from the reaction gas may have a conduit defining a reaction zone for the reaction gas to react therein, and the first and second catalysts may be disposed in the reaction zone.

Abstract: The invention relates to use of a catalyst comprising particles of nickel dispersed in a porous silica matrix for catalysing a methanation reaction. There is also described a method for methanation of a feedstock at least comprising gases carbon monoxide and hydrogen, said method comprising contacting the feedstock with the catalyst.

Abstract: The present invention provides the use of a metal-doped hydroxyapatite catalyst for highly selective conversion of an alcohol to an aldehyde at low temperatures. More specifically, the invention provides the use of a silver-doped hydroxyapatite catalyst for the highly selective oxidative dehydrogenation of ethanol to acetaldehyde. The present invention also provides the method for converting ethanol to acetaldehyde using a silver-doped hydroxyapatite catalyst.

Abstract: A heated reaction gas comprising methane is contacted with first and second catalysts to catalyze production of an aromatic hydrocarbon. The first catalyst is more active than the second catalyst for catalyzing aromatization of methane, and the second catalyst is more active than the first catalyst for catalyzing aromatization of ethane. A reactor for producing aromatic hydrocarbons from the reaction gas may have a conduit defining a reaction zone for the reaction gas to react therein, and the first and second catalysts may be disposed in the reaction zone.

Abstract: Provided are processes for removing sulfur-containing compounds from fuel, comprising contacting the fuel in liquid phase with air to oxidize the sulfur-containing compounds, the contacting being carried out in the presence of at least one transition metal oxide catalyst, wherein the catalyst is supported on a porous support and wherein the porous support comprises a support material selected from the group consisting of a titanium oxide, a manganese oxide and a nanostructured material of the aforementioned support materials.

Abstract: A catalyst composition for dehydration of an alcohol to prepare an alkene is provided. The catalyst composition comprises a catalyst and a modifying agent which is phosphoric acid, sulfuric acid or tungsten trioxide, or a derivative thereof. A process for preparing an alkene by dehydration of an alcohol is also provided. The process comprises mixing one or more alcohols and optionally water and the catalyst composition.

Abstract: A process for removing sulfur-containing compounds from fuel, said process comprising contacting the fuel in liquid phase with air to oxidize the sulfur-containing compounds, said contacting being carried out in the presence of at least one transition metal oxide catalyst, wherein the catalyst is supported on a porous support and wherein the porous support comprises a support material selected from the group consisting of a titanium oxide, a manganese oxide and a nanostructured material of the aforementioned support materials.