B01J37/0205

Hydroprocessing catalyst having an organic additive with overlaid metals and method of making and using such catalyst

A highly active hydroprocessing catalyst that comprises a doped support impregnated with at lease one hydrogenation metal component and filled with an organic additive blend. The catalyst is made by providing a doped support particle followed by impregnating the doped support particle with a metal impregnation solution to provide a metal-impregnated doped support particle. The metal-impregnated doped support particle is dried but not calcined and impregnated with an organic additive blend component.

METAL FOAM ELEMENT CONTAINING COBALT AND METHOD FOR PRODUCING SAME

The present invention relates to a method for producing supported catalysts, comprising: providing a metal foam element A, which consists of metallic cobalt, an alloy of nickel and cobalt, or an arrangement of layers of nickel and cobalt, lying one over the other; applying an aluminum-containing powder MP to metal foam element A in order to obtain metal foam element AX; thermally treating metal foam element AX to achieve alloy formation between metal foam element A and aluminum-containing powder MP, in order to obtain metal foam element B; oxidatively treating metal foam element B, in order to obtain metal foam element C; and applying a catalytically active layer, comprising at least one support oxide and at least one catalytically active component, to at least part of the surface of metal foam element C, in order to obtain a supported catalyst. The present invention further relates to the supported catalysts that can be obtained using the method and to the use of said supported catalysts in chemical transformations.

AMMOXIDATION CATALYST FOR PROPYLENE, MANUFACTURING METHOD OF THE SAME CATALYST, AMMOXIDATION METHOD USING THE SAME CATALYST
20230057640 · 2023-02-23 ·

The present disclosure relates to an ammoxidation catalyst for propylene, a manufacturing method of the same, and an ammoxidation method of propylene using the same. Specifically, in one embodiment of the present disclosure, there is provided a catalyst having a structure in which a metal oxide is supported on a silica support having a narrow particle size distribution, and excellent wear resistance.

HYDROGENATION CATALYST, PREPARATION PROCESS THEREOF AND USE THEREOF

A hydrogenation catalyst contains a hydrogenation catalyst carrier and an active hydrogenation component. The active hydrogenation component includescompriscs a Group VIB metal sulfide and a Group VIII metal compound, and the molar proportion of a substance of the Group VIII metal compound that interacts with the Group VIB metal sulfide to the total amount of the Group VIII metal compound is 60-100%. The hydrogenation catalyst has a higher active metal sulfurizing degree and a higher number of type II active centers, and can be applied to the hydrogenation treatment process of oil products such as distillate oils and residual oils

HYDROTHERMALLY STABLE METHANE OXIDATION CATALYST
20220362747 · 2022-11-17 ·

A method of manufacturing a methane oxidation catalyst and methane oxidation catalysts formed by the method are provided. The method includes providing a palladium (Pd)-based catalyst including Pd dispersed onto a support. A magnesium (Mg) precursor is introduced to the Pd-based catalyst by one of ion exchange or incipient wetness impregnation. After introducing the magnesium precursor to the Pd-based catalyst, the catalyst is dried and subjected to a final heat treatment that includes hydrothermal calcination. A method of methane oxidation in a lean exhaust environment via the methane oxidation catalyst is also provided.

A catalyst for propane dehydrogenation to propylene and its preparation method and application
20230096172 · 2023-03-30 ·

The invention discloses a catalyst for propane dehydrogenation to propylene and a preparation method and application thereof. The catalyst comprises a support, an active component and promoters supported on the carrier. Among them, the carrier is alumina ball, the active component is platinum group metal, the promoters include three kinds: rare earth elements (Y, La, Ce, Pr, Nd), tin, and alkali metal elements (Li, Na, K). When the catalyst is used for propane dehydrogenation to propylene, higher propane conversion and propylene selectivity are obtained.

Synthesis strategy of supported transition metal carbides Fenton-like catalysts and application thereof
11571689 · 2023-02-07 · ·

The invention is mainly related to a synthesis method of supported two-dimensional transition metal carbides for Fenton-like catalysis, which includes the following steps: (1) preparing two-dimensional transition metal carbides powders; (2) dispersing the two-dimensional transition metal carbides powders into intercalants solution to perform an intercalation reaction, and then centrifuging, washing, and freeze-drying to obtain intercalated products; (3) dispersing a certain quality previously obtained intercalated powders into ultrapure water and heating for pre-reaction, and then adding hydrogen peroxide solution to the pre-reacted mixed solution under ice-water bath for secondary etching, resting, centrifuging and gently decanting a supernatant to obtain the final Fenton-like catalysts.

A MOLDING COMPRISING A TI-MWW ZEOLITE AND HAVING A SPECIFIC LEWIS ACIDITY

The present invention relates to a molding comprising a zeolitic material having framework type MWW, wherein the framework structure comprises Ti, Si, and O, wherein the zeolitic material further comprises Zn and an alkaline earth metal M, the molding further comprising a binder, wherein the molding exhibits a specific Lewis acidity. Further, the present invention relates to the method of preparation of said molding and the use thereof.

METHOD FOR ACTIVATING A CATALYTICALLY ACTIVE MATERIAL

A method for activating an oxidic fresh hydroprocessing catalyst or the catalytically active material of a spent hydroprocessing catalyst comprising a refractory oxide support and one or more base metals selected from Ni, Co, Mo and W comprises optionally regenerating the catalyst, adjusting an aqueous activating solution, which contains an organic acid, to pH > 3 with an alkaline additive, impregnating the catalytically active material with the pH-adjusted aqueous activating solution, and heat-treating the catalyst at a temperature of 120-450° C.

Method for preparing a catalyst and using the catalyst for wastewater treatment

A catalyst for wastewater treatment is disclosed. The catalyst includes a porous carrier, iron oxide impregnated into the pores of the porous carrier, and platinum impregnated into the pores and mixed with the iron oxide in the pores. Also disclosed are a method for preparing the catalyst and a method for wastewater treatment using the catalyst.