B01J35/1066

ZEOLITE MEMBRANE STRUCTURE AND METHOD FOR PRODUCING SAME

A zeolite membrane structure includes a porous support, and a zeolite membrane. The zeolite membrane has a first zeolite layer located in a surface of the porous support, and a second zeolite layer located outside of the surface of the porous support and integrally formed with the first zeolite layer. The porous support has an outermost layer in which the first zeolite layer is located. An average thickness of the first zeolite layer is less than or equal to 5.4 micrometers. An average pore diameter of the outermost layer is greater than or equal to 0.050 micrometers and less than or equal to 0.150 micrometers.

REGENERATION OF AN IONIC LIQUID CATALYST BY HYDROGENATION USING A MACROPOROUS NOBLE METAL CATALYST

The present disclosure provides a macroporous noble metal catalyst and processes employing such catalysts for the regeneration of deactivated ionic liquid catalyst containing conjunct polymer.

Structured catalyst for hydrodesulfurization, hydrodesulfurization device including the structured catalyst, and method for producing structured catalyst for hydrodesulfurization

Provided is a structured catalyst for hydrodesulfurization that suppresses the decline in catalytic activity and achieves efficient hydrodesulfurization. The structured catalyst for hydrodesulfurization (1) includes a support (10) of a porous structure composed of a zeolite-type compound, and at least one catalytic substance (20) present in the support (10), the support (10) having channels (11) connecting with each other, and the catalytic substance (20) being present at least in the channels (11) of the support (10).

High metals content hydrolysis catalyst for use in the catalytic reduction of sulfur contained in a gas stream, and a method of making and using such composition

Disclosed is a composition useful in the hydrolysis of sulfur compounds that are contained in a gas stream. The composition comprises a calcined co-mulled mixture of psuedoboehmite, a cobalt compound, and a molybdenum compound such that the composition comprises gamma-alumina, at least 7.5 wt. % molybdenum, and at least 2.75 wt. % cobalt. The composition is made by forming into an agglomerate a co-mulled mixture pseudoboehmite, a cobalt component, and a molybdenum component followed by drying and calcining the agglomerate to provide a catalyst composition comprising gamma-alumina, at least 7.5 wt. % molybdenum, and at least 2.75 wt. % cobalt.

Co-mixed catalyst produced from solutions containing heteropolyanions, method for the production thereof, and use of same in hydroconversion of heavy hydrocarbon feedstock
11674094 · 2023-06-13 · ·

The present invention relates to a process for the preparation of catalyst(s), comprising the cokneading of boehmite with an active phase comprising a salt of heteropolyanion of Keggin and/or lacunary Keggin and/or substituted lacunary Keggin and/or Anderson and/or Strandberg type, and their mixtures, exhibiting, in its structure, molybdenum and cobalt and/or nickel. The present invention also relates to a process for the hydrotreating and/or hydroconversion of a heavy hydrocarbon feedstock in the presence of catalyst(s) prepared according to said process.

Gas sensor using metal oxide semiconducting nanofiber sensitized by alkali or alkaline earth metal and noble metal catalysts, and manufacturing method thereof

A member for a metal oxide nanofiber based gas sensor can include a metal nanoparticle catalyst and can be formed to be functionalized by binding the metal nanoparticle catalyst and an alkali or alkaline earth metal through electrospinning and heat treatment processes. The member can detect a trace amount of a gas with high selectivity and ultra-high sensitivity by uniformly binding the alkali or alkaline earth metal and the metal nanoparticle catalyst through electrospinning and high-temperature heat treatment.

Three-dimensional metal-insulator-metal capacitor embedded in seal structure

Embodiments of the present invention are directed to methods and resulting structures for integrated circuits having metal-insulator-metal (MIM) capacitors that serve as both decoupling capacitors and crack stops. In a non-limiting embodiment, an interconnect is formed on a first portion of a substrate in an interior region of the integrated circuit. A second portion of the substrate is exposed in an edge region of the integrated circuit. A MIM capacitor is formed over the second portion of the substrate in the edge region. The MIM capacitor includes two or more plates and one or more dielectric layers. Each dielectric layer is positioned between an adjacent pair of the two or more plates and a portion of the two or more plates extends over the interconnect in the interior region. A plate of the two or more plates is electrically coupled to a last metal wiring level of the interconnect.

MODIFIED ZEOLITES THAT INCLUDE HAFNIUM-CONTAINING ORGANOMETALLIC MOIETIES AND METHODS FOR MAKING SUCH

Disclosed herein are modified zeolites and methods for making modified zeolites. In one or more embodiments disclosed herein, a modified zeolite may include a microporous framework including a plurality of micropores having diameters of less than or equal to 2 nm. The microporous framework includes at least silicon atoms and oxygen atoms. The modified zeolite may further include organometallic moieties each bonded to bridging oxygen atoms. The organometallic moieties include a hafnium atom. The hafnium atom is bonded to a bridging oxygen atom, and bridging oxygen atom bridges the hafnium atom of the organometallic moiety and a silicon atom of the microporous framework.

Methanation catalyst

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.

Modified large crystallite USY zeolite for hydrocracking hydrocarbon oil

In accordance with one or more embodiments of the present disclosure, a catalyst composition includes a catalyst support and at least one hydrogenative component disposed on the catalyst support. The catalyst support includes at least one USY zeolite having a framework substituted with titanium and/or zirconium and/or hafnium. The framework-substituted USY zeolite has an average crystallite size from 5 μm to 50 μm. Methods of making and using such a catalyst in a hydrocracking process are also disclosed.