Abstract:
PROBLEM TO BE SOLVED: To provide an improved method for alkylating a hydrocarbon.SOLUTION: A solid acid catalyst including a rare earth-containing zeolite and a metal hydride is used as a catalyst. Preferred solid acids are zeolites encompassing, for example, mordenite, zeolite beta, faujasite, X zeolite, and Y zeolites including HY zeolite and USY zeolite, etc. The solid acid component of the catalyst is an element selected from among rare earth elements, namely lanthanide series.
Abstract:
PROBLEM TO BE SOLVED: To provide a crystalline microporous material of zeolitic nature. SOLUTION: A crystalline microporous material of zeolitic nature (ITQ-41) has in its calcined form a chemical composition represented by the empirical formula: x(M 1/n XO 2 ):yYO 2 :SiO 2 , wherein Y is a chemical element other than silicon with an oxidation state of +4; X is a chemical element with an oxidation state of +3; M is H + or an inorganic cation with a charge of n + ; n can take any value between 1 and 3; x can take any value between about 0 and about 0.2, preferably lower than 0.0666, more preferably lower than 0.05; y can take any value between 0 and 0.2. The material is characterized by the presence of four reflections in its powder X-ray diffraction pattern at a 2θ angle of 6.9°, 7.4°, 8.3°, and 9.6°. COPYRIGHT: (C)2008,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a bulk catalyst having improved activity in hydrodesulfurization in relatively low molar ratios of Group VIII metals to Group VIB metals.SOLUTION: A bulk catalyst comprises metal oxide particles comprising one or more Group VIB metals and one or more Group VIII metals which metal oxidic particles are obtainable by a method comprising the steps of reacting the compounds comprising one or more Group VIB metals and compounds comprising one or more Group VIII metals in hydrothermal conditions at a reaction temperature equal to or above the boiling temperature of the protonic liquid, preferably in an autoclave at a reaction pressure equal to or above atmospheric pressure.
Abstract:
PROBLEM TO BE SOLVED: To provide a catalyst composition for production of light olefins.SOLUTION: The catalyst composition includes a pentasil type of zeolite, one or more solid acidic cracking promoters and, optionally, a filler and/or a binder. A method for making the catalyst composition and a method for using the catalyst composition in methods for production of olefins are provided.
Abstract:
PROBLEM TO BE SOLVED: To provide a catalyst composition which comprises at least one non-noble Group VIII metal component, and at least two Group VIB metal components, the Group VIII and Group VIB metal components making up at least 50 wt.% of the catalyst composition, calculated as oxides, and in which the preparation is easy, and the reuse can be performed easily.SOLUTION: The catalyst composition comprises at least one non-noble Group VIII metal component, at least two Group VIB metal components, and at least 1 wt.% of a combustible binder material selected from combustible binders and precursors thereof, wherein the Group VIII and Group VIB metal components configures at least 50 wt.% of the catalyst composition, calculated as oxides.
Abstract:
PROBLEM TO BE SOLVED: To provide a process for activating a new hydrotreating catalyst or a used and regenerated hydrotreating catalyst comprising a Group VIB metal oxide and a Group VIII metal oxide.SOLUTION: The process comprises contacting a catalyst with an acid and an organic additive which has a boiling point in the range of 80-500°C and a solubility in water of at least 5 grams per liter (20°C, atmospheric pressure), optionally followed by drying under such condition that at least 50% of the additive is maintained in the catalyst.
Abstract:
PROBLEM TO BE SOLVED: To provide a method for effectively removing vanadium and other metals, poisonous to a zeolite-containing catalyst, from hydrocarbons during fluidized catalytic cracking (FCC).SOLUTION: In a hydrotalcite Me-HTC (wherein Me designates Ba, Sr, Ca, Fe, Mn, Ce, La or Zn), one or more trapping metals are dispersed on the outer surface thereof. The hydrotalcite Me-HTC is added to an FCC unit with the hydrocarbon feed, simultaneously with one or more catalysts, or after the hydrocarbon feed and one or more catalysts have been added.
Abstract:
PROBLEM TO BE SOLVED: To provide a bulk catalyst composition having improved hydrogenation activity.SOLUTION: There is provided a bulk catalyst composition composed of bulk metal oxide particles which can be obtained by: a step of combining (i) dispersible nanoparticles having a dimension of approximately less than 1 μm if dispersed in a liquid, (ii) at least one Group VIII non-noble metal compound, (iii) at least one Group VIB metal compound and (iv) a protonic liquid in a reaction mixture; and a step of reacting at least one Group VIII non-noble metal compound and at least one Group VIB metal in the presence of nanoparticles.
Abstract:
PROBLEM TO BE SOLVED: To provide a process for preparing a catalyst composition comprising bulk catalyst particles comprising at least one Group VIII non-noble metal and at least two Group VIB metals.SOLUTION: The process for preparing a catalyst composition comprises combining and reacting at least one Group VIII non-noble metal component with at least two Group VIB metal components in the presence of a protic liquid, with at least one of the metal components remaining at least partly in the solid state during the entire process. The invention further relates to a catalyst composition obtainable by the process and to the use thereof in hydroprocessing applications.
Abstract:
A particulate unsupported superacid catalyst for use in fluid catalytic cracking is provided comprising doped silica which has been doped with from about 1 to about 99 wt%, based on the weight of the catalyst composition, of at least one inorganic oxide dopant selected from the group consisting of rare earth metal oxides, alkaline earth metal oxides, zinc oxide, magnesium oxide, manganese oxide, yttrium oxide, niobium oxide, zirconium oxide and titanium oxide, and wherein the doped silica has been anion-modified by an anion selected from the group consisting of phosphate, tungstate, and sulphate.