Sabic Global Technologies B.v.

Other

Hector Antonio Perez

David H West

Wugeng Liang

Luanyi Li

Vidya Sagar Reddy Sarsani

Pankaj Singh Gautam

Sagar Sarsani

Aghaddin Mamedov

Istvan Lengyel

Jae Hyung Kim

James W Kauffman

William Aaron Koonce

Dwight D Latham

Bindu Krishnan

Jorge Jimenez

Woo-Sung Bae

Laura A Grier

Vemuri Balakotaiah

Tian Gu

Jonathan Banke

James Lowrey

Robert C Schucker

Stephen Francis Giovanoni

Azim Ali

A multilayer supported oxidative coupling of methane (OCM) catalyst composition (alpha-AlOsupport, first single oxide layer, one or more mixed oxide layers, optional second single oxide layer) characterized by formula AZEDO/alpha-AlO; A is alkaline earth metal; Z is first rare earth element; E is second rare earth element; D is redox agent/third rare earth element; the first, second, third rare earth element are not the same; a=1.0; b=0.1-10.0; c=0.1-10.0; d=0-10.0; x balances oxidation states; first single oxide layer (ZO, b1=0.1-10.0; x1 balances oxidation states) contacts alpha-AlOsupport and one or more mixed oxide layers; one or more mixed oxide layers (AZEDO, a2=1.0; b2=0.1-10.0; c2=0.1-10.0; d2=0-10.0; x2 balances oxidation states; AZEDOand AZEDOare different) contacts first single oxide layer and optionally second single oxide layer, and second single oxide layer (AO), when present, contacts one or more mixed oxide layers and optionally first single oxide layer.

Multilayer mixed oxide supported catalyst for oxidative coupling of methane

Disclosed herein are systems and processes for the conversion of a methane feedstock to Chydrocarbons.

Small channel short fixed bed adiabatic reactor for oxidative coupling of methane

A multilayer supported oxidative coupling of methane (OCM) catalyst composition (support, first single oxide layer, one or more mixed oxide layers, optional second single oxide layer) characterized by formula AZEDO/support; A is alkaline earth metal; Z is first rare earth element; E is second rare earth element; D is redox agent/third rare earth element; the first, second, third rare earth element are not the same; a=1.0; b=0.1-10.0; c=0.1-10.0; d=0-10.0; x balances oxidation states; first single oxide layer (ZO, b1=0.1-10.0; x1 balances oxidation states) contacts support and one or more mixed oxide layers; one or more mixed oxide layers (AZEDO, a2=1.0; b2=0.1-10.0; c2=0.1-10.0; d2=0-10.0; x2 balances oxidation states; AZEDOand AZEDOare different) contacts first single oxide layer and optionally second single oxide layer, and second single oxide layer (AO), when present, contacts one or more mixed oxide layers and optionally first single oxide layer.

The invention relates to a composition containing a catalyst suitable for producing ethylene and other Chydrocarbons at high selectivity while improving both methane conversion and product yield. Particularly, the catalyst contains mixed metal oxides having at least one alkali earth metal and at least one rare earth metal along with an alkali metal promoter in the form of an alkali metal or in the form of an alkali metal tungstate. The invention further provides a method for preparing such a composition, using a calcination process to calcine the alkali metal promoters together with mixed metal oxides. Additionally, the invention further describes a process for producing Chydrocarbons, using such a composition.

OCM catalyst composition having improved C2+ hydrocarbon selectivity

An OCM catalyst composition characterized by general formula ALaEDO; wherein A is an alkaline earth metal; wherein E is a first rare earth element; wherein D is a redox agent or a second rare earth element; wherein the first rare earth element and second rare earth element are different; wherein a is 1.0; wherein b is 0.01-10.0; wherein c is 0-10.0; wherein d is 0-10.0; and wherein x balances the oxidation states. The alkaline earth metal is selected from the group consisting of Mg, Ca, Sr, Ba, and combinations thereof. The first rare earth element and the second rare earth element can each independently be selected from the group consisting of Sc, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Y, Tb, Dy, Ho, Er, Tm, Yb, Lu, and combinations thereof. The redox agent is selected from the group consisting of Mn, W, Bi, Sb, Sn, Ce, Pr, and combinations thereof.

Mixed oxides catalysts for oxidative coupling of methane

A supported oxidative coupling of methane (OCM) catalyst comprising a support and an OCM catalytic composition characterized by the general formula AZEDO; wherein A is an alkaline earth metal; wherein Z is a first rare earth element; wherein E is a second rare earth element; wherein D is a redox agent or a third rare earth element; wherein the first rare earth element, the second rare earth element, and the third rare earth element, when present, are not the same; wherein a is 1.0; wherein b is from about 0.1 to about 10.0; wherein c is from about 0.1 to about 10.0; wherein d is from about 0 to about 10.0; and wherein x balances the oxidation states.

Supported mixed oxides catalysts for oxidative coupling of methane

An OCM nanoplate catalyst comprising &#x2265;25 wt. % nanoplates; wherein a nanoplate is a three-dimensional object defined in accordance with ISO/TS 80004-2:2015; wherein a nanoplate is characterized by a first external dimension (thickness (t)&#x2264;100 nm), a second external dimension (length (l)&#x3e;t), and a third external dimension (width (w)&#x3e;t); wherein l and w can be the same or different; and wherein l&#x2265;5 t, w&#x2265;5 t, or l&#x2265;5 t and w&#x2265;5 t; and wherein the OCM nanoplate catalyst has general formula AZEDO; wherein A=alkaline earth metal; Z=first rare earth element; E=second rare earth element; D=redox agent/third rare earth element; wherein the first, second, and third rare earth element are not the same; wherein a=1.0; wherein b=1.0 to 3.0; wherein c=0 to 1.5; wherein d=0 to 1.5; wherein (b&#x3e;(c+d)); and wherein x balances the oxidation states.

A catalyst composition, suitable for producing ethylene and other Chydrocarbons from methane. The composition includes a blended product of two distinct catalyst components, blended at such synergistic proportions, that results in a catalyst having high Chydrocarbon selectivity while maintaining an overall sufficient catalyst activity and low ethyne selectivity. Methods for preparing such a catalyst composition and a process for producing Chydrocarbons using such a catalyst composition are provided.

Catalyst composition for the oxidative coupling of methane

A mixed oxide catalyst for the oxidative coupling of methane can include a catalyst with the formula ABCDO, wherein: element A is selected from alkaline earth metals; elements B and C are selected from rare earth metals, and wherein elements B and C are different rare earth metals; the oxide of at least one of A, B, C, and D has basic properties; the oxide of at least one of A, B, C, and D has redox properties; and elements A, B, C, and D are selected to create a synergistic effect whereby the catalytic material provides a methane conversion of greater than or equal to 15% and a Cselectivity of greater than or equal to 70%. Systems and methods can include contacting the catalyst with methane and oxygen and purifying or collecting Cproducts.

Mixed oxide catalyst for the oxidative coupling of methane

An oxidative coupling of methane (OCM) catalyst composition comprising one or more oxides doped with Ag; wherein one or more oxides comprises a single metal oxide, mixtures of single metal oxides, a mixed metal oxide, mixtures of mixed metal oxides, or combinations thereof; and wherein one or more oxides is not LaOalone. A method of making an OCM catalyst composition comprising calcining one or more oxides and/or oxide precursors to form one or more calcined oxides, wherein the one or more oxides comprises a single metal oxide, mixtures of single metal oxides, a mixed metal oxide, mixtures of mixed metal oxides, or combinations thereof, wherein the one or more oxides is not LaOalone, and wherein the oxide precursors comprise oxides, nitrates, carbonates, hydroxides, or combinations thereof; doping the one or more calcined oxides with Ag to form the OCM catalyst composition; and thermally treating the OCM catalyst composition.

Silver promoted catalysts for oxidative coupling of methane

Embodiments of the invention provide for polyurethane-based sealants. The sealants include a reaction product of a reaction system which includes at least one isocyanate, and at least one polyester polyol. The polyester polyol includes a reaction product of a polyester reaction mixture which includes one or more hydrophobic monomers, one or more organic diacids or methyl esters thereof, and one or more diols.

Polyurethane based insulated glass sealant

A resonance and articulation training device that includes a body with an open end and a closed end. A vertical tube is attached to the body near the closed end, and a pellet is located within the vertical tube. One or more holes along the body may be used to adjust the amount of airflow needed to lift the pellet. A mouthpiece or head joint from a musical instrument may be attached to the open end. Generating a tone with the mouthpiece or head joint creates an airflow in the body. If the airflow is sufficient, it may lift the pellet.

Resonance and articulation trainer

A coin operated product dispensing machine including a housing with an enclosed main display compartment and an elongate slide plate extending therethrough and attached at one end to the housing with a biasing element, an opposite free end of the slide plate extending outwardly from a front wall of the housing and defining a pull handle, wherein the slide plate is movable between a relaxed position and an extended position by pulling the handle at the free end thereof. A carousel, including vertically oriented chambers for containing a stacked array of individual product units therein, is rotatably supported within the main display compartment such that each of the chambers is selectively positionable in vertical alignment over a drop hole in the slide plate, the drop hole being sized and configured to receive an individual, lower most product unit dropped from the aligned chamber. A coin released lock mechanism, structured to accept a predetermined size coin and reject other size coins, releases the slide plate for outward movement to the extended position, causing the individual product unit within the drop hole to be carried from below the chamber to a drop chute where it is deposited thereon and dispensed to a user.

Coin operated dispensing machine

A multi-display sign assembly, which is particularly lightweight, may be hung in a variety of locations which could not normally support such a sign structure, and functions in smooth, quiet, and relatively low vibration movements, the sign assembly including a frame structure having a pair of support bars, and a plurality of elongate, lightweight triangular members rotatably held between the support bars by axle bars which extend longitudinally through the triangular members and protrude through the support bars. A motor is connected to a reducer which regulates the RPM's of a drive gear connected thereto, the drive gear including teeth only along 120 degrees of its exterior surface such that when the teeth engage a secondary gear which is connected to the axle bar of one of the triangle members, that triangle member will rotate resulting in a new display face of all of the triangle members rotating to form a new one of three distinct display surfaces containing advertising or like indicia thereon.

Growing community of inventors

San Antonio, TX, United States of America

Hector Antonio Perez