B01J35/66

REFINING APPARATUS AND REFINING METHOD OF WASTE PLASTIC PYROLYSIS OIL
20250230369 · 2025-07-17 ·

Provided is a refining apparatus of a waste plastic pyrolysis oil including a reactor where a waste plastic pyrolysis oil is introduced and hydrotreated, wherein the reactor includes Area 1 including a hydrotreating catalyst having a Mo content of 1 to 15 wt % with respect to the total weight; and Area 2 including a hydrotreating catalyst having a Mo content of 5 to 40 wt % and a Ni or Co content of 4 to 50 wt % with respect to the total weight, and the waste plastic pyrolysis oil is refined by passing through Area 1 and Area 2 sequentially.

REFINING APPARATUS AND REFINING METHOD OF WASTE PLASTIC PYROLYSIS OIL
20250230369 · 2025-07-17 ·

Provided is a refining apparatus of a waste plastic pyrolysis oil including a reactor where a waste plastic pyrolysis oil is introduced and hydrotreated, wherein the reactor includes Area 1 including a hydrotreating catalyst having a Mo content of 1 to 15 wt % with respect to the total weight; and Area 2 including a hydrotreating catalyst having a Mo content of 5 to 40 wt % and a Ni or Co content of 4 to 50 wt % with respect to the total weight, and the waste plastic pyrolysis oil is refined by passing through Area 1 and Area 2 sequentially.

High porosity cerium and zirconium containing oxide

This disclosure generally relates to an oxide composition basically composed of cerium and zirconium that has exceptional and stable porosity, surface area and lattice oxygen mobility. The oxide composition can contain one or more other rare earth oxides other than cerium oxide. For example, some compositions can contain one or more of lanthanum oxide, yttrium oxide and neodymium oxide. The oxide composition can be useful as a catalyst, catalyst support, sensor applications and combinations thereof.

PROCESS FOR MAKING MODIFIED SMALL-CRYSTAL MORDENITE, TRANSALKYLATION PROCESS USING SAME, AND MODIFIED SMALL-CRYSTAL MORDENITE

A modified UZM-14 zeolite is described. The modified UZM-14 zeolite has a Modification Factor of 6 or more. The modified UZM-14 zeolite may have one or more of: a Si/Al2 ratio of 14 to 30; a total pore volume in a range of 0.5 to 1.0 cc/g; at least 5% of a total pore volume being mesopores having a diameter of 10 nm of less; a cumulative pore volume of micropores and mesopores having a diameter of 100 or less of 0.25 cc/g or more; or a Collidine IR Bronsted acid site distribution greater than or equal to an area of 3/mg for a peak in a range of 1575 to 1700 cm.sup.1 after desorption at 150 C. Processes of making the modified UZM-14 zeolite and transalkylation processes using the modified UZM-14 zeolite are also described.

HYDROPROCESSING CATALYST FOR THE REDUCTION OF METALS AND SULFUR IN HEAVY FEEDS
20200360903 · 2020-11-19 ·

A catalyst comprising a carrier and a metals component impregnated in the carrier, the carrier comprising alumina; and the metals component comprising a first metals fraction and a second metals fraction, the first metals fraction comprising at least one metal selected from chromium, molybdenum, or tungsten, and the second metals fraction comprising at least two metals selected from cobalt, rhodium, iridium, nickel, palladium, or platinum, wherein the catalyst has a first pore volume of 0.28 to 0.45 mL/g for pores having a pore diameter of 12 nm to less than 16 nm, and a second pore volume of 0.15 to 0.28 mL/g for pores of 2.0 nm to less than 12.0 nm.

Monometallic rhodium-containing four-way conversion catalysts for gasoline engine emissions treatment systems

Catalyzed particulate filters comprise three-way conversion (TWC) catalytic material, which comprises rhodium as the only platinum group metal, that permeates walls of a particulate filter. Such catalyzed particulate filters may be located downstream of close-coupled three-way conversion (TWC) composites in an emission treatment system downstream of a gasoline direct injection engine for treatment of an exhaust stream comprising hydrocarbons, carbon monoxide, nitrogen oxides, and particulates.

POROUS SHAPED CARBON PRODUCTS

Shaped porous carbon products and processes for preparing these products are provided. The shaped porous carbon products can be used, for example, as catalyst supports and adsorbents. Catalyst compositions including these shaped porous carbon products, processes of preparing the catalyst compositions, and various processes of using the shaped porous carbon products and catalyst compositions are also provided.

FCC CATALYST WITH ENHANCED MESOPOROSITY, ITS PREPARATION AND USE

Process for the preparation of a catalyst and a catalyst comprising enhanced mesoporosity is provided herein. Thus, in one embodiment, provided is a particulate FCC catalyst comprising 2 to 50 wt % of one or more ultra stabilized high Si02/A1203 ratio large pore faujasite zeolite or a rare earth containing USY, 0 to 50 wt % of one or more rare-earth exchanged large pore faujasite zeolite, 0 to 30 wt % of small to medium pore size zeolites, 5 to 45 wt % quasi-crystalline boehmite 0 to 35 wt % microcrystalline boehmite, 0 to 25 wt % of a first silica, 2 to 30 wt % of a second silica, 0.1 to 10 wt % one or more rare earth components showiomg enhanced mesoporosity in the range of 6-40 nm, the numbering of the silica corresponding to their orders of introduction in the preparation process.

ELECTRICAL RESISTOR, HONEYCOMB STRUCTURE, AND ELECTRIC HEATING CATALYTIC DEVICE
20200323040 · 2020-10-08 ·

An electrical resistor includes borosilicate particles, Si-containing particles, and pore parts. The pore parts are constituted by gaps between the borosilicate particles and the Si-containing particles and surround the borosilicate particles and the Si-containing particles. A honeycomb structure includes the electrical resistor. An electric heating catalytic device has the honeycomb structure.

Preparation of a ZSM-5-based catalyst; use in ethylbenzene dealkylation process

A process of preparing a catalyst composition which process comprises the steps of (a) treating ZSM-5 zeolite with an alkaline solution having a pH of at least (8) followed by ion exchange to obtain a treated zeolite, (b) extruding a mixture of the treated zeolite and binder and contacting the zeolite with a fluorocompound containing solution, (c) increasing the temperature of the extrudates obtained in step (b) to at least 200 C., and (d) combining the extrudates obtained in step (c) with one or more metals selected from the group consisting of Group (10) and (11) of the IUPAC Periodic Table of Elements and a process for the conversion of an aromatic hydrocarbons containing feedstock using a catalyst composition prepared by such process.