methane (Total 11088 Patents Found)

Methane is reacted with steam, to generate carbon monoxide and hydrogen in a first catalytic reactor ( 14 ); the resulting gas mixture can then be used to perform Fisher-Tropsch synthesis in a second catalytic reactor ( 26 ). In performing the steam/methane reforming, the gas mixture is passed through a narrow channel ...
The present invention relates to the field of reduction of methane emission in ruminants. Particularly, it relates to the a feed composition or a feed additive, and the use of said feed composition or a feed additive comprising at least one para nitroaniline derivative or a salt thereof and at least one organic molecul...
A process for the direct oxidation of methane to C 1 -oxygenates (formaldehyde and methanol) has been developed. The process involves a gas stream, comprising methane, an oxidizing agent (such as air, or oxygen blended with an inert diluent), and a nitrogen oxide as a gas phase sensitizer at oxidation conditions to pro...
Apparatus and methods are provided for converting methane in a feed stream to acetylene. A hydrocarbon stream is introduced into a supersonic reactor and pyrolyzed to convert at least a portion of the methane to acetylene. The reactor effluent stream may be treated to convert acetylene to another hydrocarbon process....
The present invention relates to an improved process for producing hydrogen cyanide. More particularly, the present invention relates to a commercially advantageous process for producing hydrogen cyanide at enhanced levels of productivity and yield while using natural gas comprising at least one C2+ hydrocarbon, carbon...
The present invention provides a steam methane reforming process and system utilizing an integrated steam system having both high pressure and low pressure steam circuits. According to this invention, substantially the entire stream of treated boiler feed water leaving the deaerator is pressurized and sent to the boile...
Apparatus and methods are provided for converting methane in a feed stream to acetylene. A hydrocarbon stream is introduced into a supersonic reactor and pyrolyzed to convert at least a portion of the methane to acetylene. The reactor effluent stream may be treated to convert acetylene to another hydrocarbon process....
The present invention provides a Ni nano-cluster supported on MgO—CeO 2 —ZrO 2 catalyst and processes the production of the catalyst. Further, the present invention discloses use of Ni nano-cluster supported on MgO—CeO 2 —ZrO 2 catalyst for the synthesis gas (a mixture of CO and H 2 ) by tri-reforming of meth...
A process for the separation of carbon dioxide and other acid gas components, in a compound distillation column, from a gaseous mixture comprised of one or more hydrocarbons, inclusive of methane, and hydrogen. The compound distillation column is sectioned (or zoned), one section of which is operated at higher pressure...
A process for the oxidation of methane to methanol has been developed. The process involves contacting a gas stream, comprising methane, a solvent and an oxidizing agent with a catalyst at oxidation conditions to produce a methyl ester. Finally, the methyl ester is hydrolyzed to yield a methanol product stream. The cat...
A methane Raman cell is provided with a catalytic composite comprising palladium on a titania substrate, which promotes the hydrogenation of gas products formed by the decomposition of methane from arcing, and thereby inhibits the reaction of these gas products to form deposits which adhere to the windows of the Raman ...
The present disclosure relates to a process for the conversion of organic material to methane rich gas. In particular, the process comprises heating vaporized organic material in the presence of an excess amount of hydrogen gas and superheated steam to produce a methane rich fuel gas at pressures greater than 0 atmosph...
A gaseous fuel system for a vehicle including an on-board compressor for recharging an associated pressure storage tank. The compressor and tank are mounted on the vehicle as a structural unit whereby the tank shields the compressor and high pressure gas flow circuits therebetween and provides a heat exchanger surface ...
Disazo dyestuffs are disclosed which, in the free acid form, have the formula D R A W I N G IN WHICH R1 is H, Cl, Br, alkyl, alkoxy or nitro; R2 and R3 are H, Cl, Br, alkoxy or alkyl; R4 is alkyl or optionally substituted aryl; R5 is H or alkyl which may be substituted by CN, carboxamide or carboxyl; R6 is a substi...
A process for the removal of inert gases, such as nitrogen and carbon dioxide, from methane-containing gases, such as natural gas, including a first stage removal which lowers the total combined inert content to about less than 30% and a second stage removal utilizing a pressure swing adsorption process comprising one ...
Mining method for co-extraction of non-combustible ore and mine methane A method for co-extracting non-combustible ore (e.g., trona) and methane from an underground formation comprising at least one methane-bearing layer and a non-combustible ore bed having a rock roof, comprising: providing a well having a down...
A process is described for isomerizing the cis,cis- and cis,trans-isomers of di-(p-aminocyclohexyl)methane to the corresponding trans,trans-isomer. The starting isomer, or mixture of isomers, is converted to the corresponding bis-benzaldimine by reaction with benzaldehyde (or benzaldehyde containing 1 to 3 inert substi...
Methane is reacted with steam, to generate carbon monoxide and hydrogen in a first catalytic reactor, the resulting gas mixture can then be used to perform Fisher-Tropsch synthesis in a second catalytic reactor. In performing the steam/methane reforming, the gas mixture is passed through a narrow flow channel containin...
In controlling fuel injection and ignition timing in an internal combustion engine operating on a fuel mixture, such as gasoline and methanol, consideration must be given to the mixture ratio of the fuel mixture in determining air/fuel ratio and ignition timing, as well as in controlling the atomizing of the injected f...
The present invention relates to a method of containing nickel into the alumina aerogel prepared by sol-gel method and supercritical drying and of preparing the nickel-alumina hybrid aerogel catalyst. The nickel-alumina catalyst prepared in the present invention has an excellent reactivity with a prolonged lifetime....
The present invention provides a system that has been devised to overcome the two most important limitations for sustained biological hydrogen production, namely contamination of the microbial hydrogen-producing cultures with methane-producing cultures necessitating frequent re-start-up and/or other methanogenic bacter...
Process and systems for alkane bromination and, in one or more embodiments, to separate, parallel methane and higher alkanes bromination in a bromine-based process. An embodiment discloses a bromine-based process for converting alkanes to liquid hydrocarbons that includes alkanes bromination, the process comprising: br...
A reactor system that includes a reactor nozzle for use with a reactor vessel and process for its use for producing sodium metal, by a reaction of an alkali hydroxide, preferably sodium hydroxide, as a reactant, with methane gas as a reductant, at high heat. The invention includes heating apparatus therewith for supply...
The basic chemical composition of the invented zeolite catalyst for directly synthesizing arenes by using methane is aA/Hn[AlnSiyOx], where A is active component; [AlnSiyOx] represent the skeleton ofZSM series zeolite, a is mass percentage content, n=1-20 and y/n=1-100. Its preparation method includes the following st...
Flurochloromethanes are made by reacting on carbon disulphide simultaneously with fluorinating and chlorinating agents. Carbon disulphide vapour may be passed through a molten mixture of antimony pentachloride with antimony tri- or penta-fluoride or chlorofluoride, or passed with hydrogen fluoride through a melt conta...
本发明公开了一种用于甲烷催化燃烧的双层结构式催化剂及其制备方法,双层结构式催化剂包括载体以及设置在所述载体上的活性涂层,所述活性涂层包括依次设置的稀土复合分子筛负载Pt涂层和稀土复合氧化铝负载Pd涂层;所述稀土复合分子...
The utility model discloses a dehydration device of methane, which comprises a condenser, a steam trap and a gas-water separator. The condenser is provided with an inlet and an outlet of the condenser. The steam trap is provided with an inlet, an outlet and a gas outlet of the steam trap, and the inlet of the steam tra...
A convectively heated steam/methane reformer having a shell and tube reforming reactor for hydrogen production. A reactor core containing the reactants is convectively heated by hot air flowing through the shell or annulus of the reactor. Heated air is supplied to the reactor through several fluid inlets on the shell s...
The present invention describes methods of identifying stimulants for the biogenic production of methane in hydrocarbon-bearing formations. Methods involve the use of microbial nucleic acid sequence information for the determination of gene products that are enzymes in a variety of pathways involved in the conversion o...
The present invention provides a process and catalyst system for the production of synthesis gas (a mixture of CO and H 2 ) from greenhouse gases like methane and carbon di oxide. The process provide a single step selective reforming of methane with carbon dioxide to produce synthesis gas over Ce—Ni—MgAl 2 O 4 cat...
A process and a gas permeation apparatus for separating purified methane from hydrocarbons higher than C1 in a feed gas mixture such as natural gas, naphtha, liquified natural gas (LNG), liquified petroleum gas (LPG), off gas from petrochemical industries and others, comprising at least one gas permeation module (1) wi...
This invention relates to processes and systems for the conversion of methane in high yields to C 4+ hydrocarbons. The principal steps of the recycle process include reacting methane and O 2 in an oxidative coupling reactor over a Mn/Na 2 WO 4 /SiO 2 catalyst at 800° C. to convert the methane to ethylene, and oligo...
Process for separating a feedstock stream essentially consisting of hydrogen, methane and C 3 /C 4 -hydrocarbons, which first passes through a pretreatment, such as, e.g., dehydrogenation, after which the feedstock stream undergoes an at least one-stage partial condensation and separation into a C 3 /C 4 -hydrocarb...
1. A SUBSTANTIALLY AMORPHOUS, OPTICALLY CLEAR SOLID POLYAMIDE RESIN CONSISTING ESSENTIALLY OF THE POLYMERIC CONDENSATION REACTION PRODUCT OF (A) BIS(4-AMINOCYCLOHEXYL)METHANE OF 40-54 PERCENT TRANS,TRANS CONFIGURATION AND (B) A MIXTURE OF 50-70 MOLE PERCENT DODECANEDIOIC ACID AND 50-30 MOLE PERCENT SUBERIC ACID OR A MI...
The present invention provides a process and a catalyst for the production of synthesis gas (a mixture of CO and H 2 ) by partial oxidation of methane. The process provides a direct single step selective vapor phase partial oxidation of methane to synthesis gas over Pt—CeO 2 catalyst between temperature range of 350...