Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

363 results about "Oxidative coupling of methane" patented technology

The oxidative coupling of methane (OCM) is a type of chemical reaction discovered in the 1980s for the direct conversion of natural gas, primarily consisting of methane, into value-added chemicals.

Nanowire catalysts

Nanowires useful as heterogeneous catalysts are provided. The nanowire catalysts are useful in a variety of catalytic reactions, for example, the oxidative coupling of methane to ethylene. Related methods for use and manufacture of the same are also disclosed.
Owner:SILURIA TECH INC

Catalysts for petrochemical catalysis

Metal oxide catalysts comprising various dopants are provided. The catalysts are useful as heterogenous catalysts in a variety of catalytic reactions, for example, the oxidative coupling of methane to C2 hydrocarbons such as ethane and ethylene. Related methods for use and manufacture of the same are also disclosed.
Owner:SILURIA TECH INC

Oxidative coupling of methane systems and methods

Systems and methods conducive to the formation of one or more alkene hydrocarbons using a methane source and an oxidant in an oxidative coupling of methane (OCM) reaction are provided. One or more vessels each containing one or more catalyst beds containing one or more catalysts each having similar or differing chemical composition or physical form may be used. The one or more catalyst beds may be operated under a variety of conditions. At least a portion of the catalyst beds may be operated under substantially adiabatic conditions. At least a portion of the catalyst beds may be operated under substantially isothermal conditions.
Owner:LUMMUS TECH LLC

Polymer templated nanowire catalysts

InactiveUS20130158322A1Improve drawing legibilityMaterial nanotechnologyManganese oxides/hydroxidesNanowirePolymer science
Nanowires useful as heterogeneous catalysts are provided. The nanowire catalysts are prepared by polymer templated methods and are useful in a variety of catalytic reactions, for example, the oxidative coupling of methane to ethane and / or ethylene. Related methods for use and manufacture of the same are also disclosed.
Owner:SILURIA TECH INC

Integrated processes and systems for conversion of methane to multiple higher hydrocarbon products

Integrated systems are provided for the production of higher hydrocarbon compositions, for example liquid hydrocarbon compositions, from methane using an oxidative coupling of methane system to convert methane to ethylene, followed by conversion of ethylene to selectable higher hydrocarbon products. Integrated systems and processes are provided that process methane through to these higher hydrocarbon products.
Owner:LUMMUS TECH LLC

Catalysts for petrochemical catalysis

Metal oxide catalysts comprising various dopants are provided. The catalysts are useful as heterogenous catalysts in a variety of catalytic reactions, for example, the oxidative coupling of methane to C2 hydrocarbons such as ethane and ethylene. Related methods for use and manufacture of the same are also disclosed.
Owner:SILURIA TECH INC

Catalyst and method for converting low molecular weight paraffinic hydrocarbons into alkenes and organic compounds with carbon numbers of 2 or more

A catalyst and process for formation of hydrocarbons having carbon numbers of two or greater, the result of both oxidative coupling of methane (“OCM”), and other reforming reactions of OCM end products. An OCM catalyst has a structure represented by formula ABTiO3, wherein A is samarium or tin, B is barium; the reforming catalysts a composition represented by formula XYZ, wherein X is a metal from Group IA, Group IIA or Group VIIIA, or not present, Y a metal from Group VA, Group VIA, Group VIIA or Group VIIIA, Z chosen from oxygen, silica, silicalite and alumina. The inventive catalyst comprises an OCM catalyst and a reforming catalyst blended together; when used in a reactor effects an increased yield of hydrocarbons having a carbon number greater than 2 (in excess of 27%-30%, first pass rate of methane conversion about 50%) than occurs under OCM conditions alone.
Owner:HRD CORP

Process for separating hydrocarbon compounds

Disclosed herein are processes for producing and separating ethane and ethylene. In some embodiments, an oxidative coupling of methane (OCM) product gas comprising ethane and ethylene is introduced to a separation unit comprising two separators. Within the separation unit, the OCM product gas is separated to provide a C2-rich effluent, a methane-rich effluent, and a nitrogen-rich effluent. Advantageously, in some embodiments the separation is achieved with little or no external refrigeration requirement.
Owner:LUMMUS TECH LLC

Catalyst for pressurized oxidative coupling of methane to prepare ethylene and its prepn.

The present invention discloses a catalyst for methane oxidative coupling polymerization to prepare ethylene under the condition of pressurization, and said catalyst uses SiO2 as support, and its active component is formed from Mn2O3, Na2WO4 and SnO2, and its active component content is 10 wt%-20 wt%. Under the condition of no dilution gas, 0.6 MPa and high space velocity it can obtain 33.0% of methane conversion rate and 24.1% of C2 hydrocarbon yield.
Owner:LANZHOU INST OF CHEM PHYSICS CHINESE ACAD OF SCI

Integrated processes and systems for conversion of methane to multiple higher hydrocarbon products

Integrated systems are provided for the production of higher hydrocarbon compositions, for example liquid hydrocarbon compositions, from methane using an oxidative coupling of methane system to convert methane to ethylene, followed by conversion of ethylene to selectable higher hydrocarbon products. Integrated systems and processes are provided that process methane through to these higher hydrocarbon products.
Owner:LUMMUS TECH LLC

Methane oxidation coupling catalyst and preparation method thereof

The present invention discloses a manganese-sodium-tungsten-silicon composite oxide oxidative coupling of methane catalyst containing or not containing titanium, obtained by loading manganese-sodium-tungsten onto a titanium-silicon molecular sieve or a pure silicon molecular sieve by means of a step-by-step impregnation method and calcination. The manganese-sodium-tungsten-silicon composite oxide catalyst containing or not containing titanium has the following structural formula: vMnO2·xNa2O·yWO3·zTiO2·(100-v-x-y-z)SiO2, the v, x, y, and z respectively representing the fractional quality occupied by metal manganese oxide, sodium oxide, tungsten oxide and titanium oxide, 0.3≤v≤16, 0.1≤x≤5, 0.6≤y≤21, 0.0≤z≤4. The manganese-sodium-tungsten-silicon composite oxide catalyst containing or not containing titanium set forth in the present invention is used for oxidative coupling of methane reactions, having excellent low-temperature catalytic activity and ethylene / propylene selectivity generation and reaction stability.
Owner:ECO ENVIRONMENTAL ENERGY RES INST +1

Methane oxidative coupling with la-ce catalysts

A metal oxide catalyst capable of catalyzing an oxidative coupling of methane reaction is described. The metal oxide catalyst includes a lanthanum (La) cerium (Ce) metal oxide and further including a lanthanum hydroxide (La(OH)3) crystalline phase. The catalyst is capable of catalyzing the production of C2+ hydrocarbons from methane and oxygen. Methods and systems of using the metal oxide catalyst to produce C2+ hydrocarbons from a reactant gas are also described.
Owner:SABIC GLOBAL TECH BV

Ethylbenzene Production with Ethylene from Oxidative Coupling of Methane

A method for producing ethylbenzene (EB) comprising introducing to an oxidative coupling of methane (OCM) reactor an OCM reactant mixture comprising CH4 and O2; allowing the OCM reactant mixture to react via OCM reaction to form an OCM product mixture comprising C2H4, C2H6, water, CO, CO2 and unreacted methane; separating the water and optionally CO and / or CO2 from the OCM product mixture to yield an EB reactant mixture comprising C2H4, C2H6, unreacted methane, and optionally CO and / or CO2; (d) introducing benzene and an EB reactant mixture to an EB reactor; allowing benzene to react in a liquid phase with the ethylene of the EB reactant mixture to form EB; recovering from the EB reactor an EB product mixture comprising EB and unreacted benzene, and an unreacted alkanes mixture comprising C2H6 and unreacted methane, and optionally CO and / or CO2; and optionally recycling the unreacted alkanes mixture to the OCM reactor.
Owner:SABIC GLOBAL TECH BV

Method for Producing Hydrocarbons by Oxidative Coupling of Methane without Catalyst

A method for producing olefins and synthesis gas comprising (a) introducing a reactant mixture to a reactor, wherein the reactant mixture comprises methane (CH4) and oxygen (O2), wherein the reactor is characterized by a reaction temperature of from about 700° C. to about 1,100° C.; (b) allowing at least a portion of the reactant mixture to react via an oxidative coupling of CH4 reaction to form a product mixture, wherein the product mixture comprises primary products and unreacted methane, wherein the primary products comprise C2+ hydrocarbons and synthesis gas, wherein the C2+ hydrocarbons comprise olefins, and wherein a selectivity to primary products is from about 70% to about 99%; and (c) recovering at least a portion of the product mixture from the reactor.
Owner:SABIC GLOBAL TECH BV

Low inlet temperature for oxidative coupling of methane

Disclosed is a process for producing C2+ hydrocarbons, and systems for implementing the process, that includes providing a reactant feed that includes methane and an oxygen containing gas to a first reaction zone, wherein the temperature of the reactant feed is less than 700° C. contacting the reactant feed with a first catalyst capable of catalyzing an oxidative coupling of methane reaction (OCM) to produce a first product stream that includes C2+ hydrocarbons and heat, and contacting the first product stream with a second catalyst capable of catalyzing an OCM reaction to produce a second product stream that includes C2+ hydrocarbons, wherein the produced heat is at least partially used to heat the first product stream prior to or during contact with the second catalyst, wherein the amount of C2+ hydrocarbons in the second product stream is greater than the amount of C2+ hydrocarbons in the first product stream.
Owner:SABIC GLOBAL TECH BV

Bimetal nanometer catalyst as well as preparation and application method thereof

The invention discloses a bimetal nanometer catalyst used for preparing dimethyl oxalate through CO gas-phase oxidative coupling as well as preparation and an application method of the bimetal nanometer catalyst, and belongs to the technical field of preparation of the dimethyl oxalate. The bimetal nanometer catalyst is characterized in that a catalyst carrier is Alpha-aluminium oxide, an active component is Pd-Cu nanometer grains, the average size of the grain is 2-3nm, the Pd content of the active component is 0.01-2% and Cu content is 0.01-0.04% according to the mass of the catalyst carrier. The catalyst is prepared through a room temperature normal position load method, the preparation method is simple, the energy dissipation is low, the catalyst is suitable for industrial production, the active component Pd-Cu nanometer grains in the catalyst has high dispersity, large specific surface area, small size and uniformity in distribution; the catalyst provided by the invention adopts the Pd-Cu bimetal nanometer grains as the active component, and a bimetal component synergistic effect and a nanometer effect are utilized to reduce the content of the noble metal PD to 0.1% under the premise of keeping the high activity and stability of the catalyst, therefore and the cost of the catalyst is greatly reduced, and the partial substitution of the noble metal is realized.
Owner:贵州鑫醇科技发展有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products