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8138381 |
Method for recovering a natural gas contaminated with high levels of CO2
The present invention provides a method for recovering a natural gas contaminated with high levels of carbon dioxide. A gas containing methane and carbon dioxide is extracted from a reservoir...
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7915459 |
Catalytic systems for the conversion of hydrocarbons to functionalized products
This invention discloses methods and processes for selectively converting hydrocarbons such as methane to materials such as alcohols or other materials containing more reactive functionalities.
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7868201 |
Process and catalyst for oxidation of hydrocarbons
A process for the oxidation of hydrocarbons comprises contacting the hydrocarbon with an oxygen-containing gas in the presence of a catalyst comprising a microporous solid support, preferably a...
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7842844 |
Process for the conversion of hydrocarbons to C2-oxygenates
Process for the conversion of hydrocarbons to ethanol and optionally acetic acid by converting hydrocarbon in a syngas reactor into a stream A comprising a mixture of carbon oxide(s) and hydrogen...
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7838708 |
Hydrocarbon conversion process improvements
Improvements in previously disclosed methods of and apparatuses for converting alkanes, alkenes, and aromatics to olefins, alcohols, ethers, and aldehydes includes: safety improvements, use of...
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7714176 |
Methanol production process
A process for the production of methanol comprises feeding an amount of a hydrocarbon feedstock and an amount of an oxygen feedstock to a partial oxidation reactor to produce a partial oxidation...
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7687669 |
Method for direct-oxygenation of alkane gases
A method for alkyl oxygenate (e.g., methanol) manufacture via partial oxidation of alkane (methane) uses an injectively-mixed backmixing reaction chamber in fluid communication with a tubular-flow...
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7288684 |
Process for the direct production of methanol from methane
A process for the production of methanol from methane has been developed. The process involves reacting methane with an oxidant such as oxygen or a peroxide in the presence of a catalyst and a...
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7214837 |
Process for preparation of a mixture of alcohols and ketones by liquid phase oxidation of higher alkanes
The present invention provides a process for the production of a mixture of alcohols and ketones by the liquid phase oxidation of higher alkanes using a catalyst system consisting of transition...
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7161048 |
Method for deriving methanol from waste generated methane and structured product formulated therefrom
Methanol is produced from bacterially oxidized waste methane by reaction with Pd+2, Cu+2, air, and molten phthalic anhydride in an entrained oxidizer generating half ester of methyl phthalate which...
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7084307 |
Process for oxidation of alkanes
A palladium complex catalyzed process for the oxidation of linear alkanes is proposed which employs molecular oxygen as the oxidant to produce secondary alcohols and ketones in high selectivity,...
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7057081 |
Method for treating alkanes
Methods are disclosed for converting propane and higher alkanes to their corresponding alcohols through a multi-step process with olefin as an intermediate. Methods are also disclosed for...
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7019182 |
Method of hydrocarbon preservation and environmental protection
Gas phase hydrocarbons resulting from the operation of offshore petroleum wells are converted into corresponding liquid products which are mixed with liquid phased hydrocarbons resulting from...
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7008970 |
Method for direct conversion of gaseous hydrocarbons to liquids
A chemical reactor for direct conversion of hydrocarbons includes a dielectric barrier discharge plasma cell and a solid oxide electrochemical cell in fluid communication therewith. The discharge...
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6953868 |
Oxyfunctionalization of polyolefins
The present invention is a method for oxyfunctionalizing, that is, introducing oxygen functionality to, a polyolefin such as polypropylene and poly(ethylene-alt-propylene). The polyolefin is...
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6781020 |
Water soluble bactericide and producing method thereof
A water soluble bactericide is obtained by ozone-oxidizing glycerin. Specifically, a 0.1 to 20% glycerin aqueous solution and gas phase ozone obtained by ozonizing oxygen through contact between...
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6740785 |
Catalytic oxidation of organic substrates by transition metal complexes in organic solvent media expanded by supercritical or subcritical carbon dioxide
Improved oxidation methods are provided wherein a reaction mixture comprising a substrate to be oxidized (e.g., phenols, alkenes) and an oxidation catalyst (typically dispersed in an organic...
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6573414 |
Method for producing C9-alcohols and method for the integrated production of C9-alcohols and C10-alcohols
A process for preparing C9-alcohols comprises a) providing a C4-hydrocarbon stream comprising butene and butane; b) subjecting the C4-hydrocarbon stream to oligomerization over an olefin...
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6563006 |
Catalytic oxidative conversion of hydrocarbons to aldehydes
Catalytic processes have been developed for direct ambient air oxidative conversion of hydrocarbons to aldehydes and unsaturated alcohols. Aliphatic hydrocarbons including methane, hexanes,...
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6548718 |
Process for catalytic hydroxylation of, saturated or unsaturated, aliphatic compounds
A process for hydroxylating aliphatic compounds under catalytic distillation conditions to provide alcohols is provided. The aliphatic compound is contacted, in a distillation column reactor, with...
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6479707 |
Process for producing 2-butanone and 2-butanol
The present invention provides a process for producing 2-butanone and 2-butanol under comparatively mild conditions with a decreased number of steps by direct oxidization of a hydrocarbon, which is...
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6380444 |
Process for the catalytic oxidation of hydrocarbons
A process for producing an alcohol from a gaseous hydrocarbon, e.g. a lower alkane such as methane, via oxidative reaction of the hydrocarbon in a concentrated sulfuric acid medium in the presence...
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6124505 |
Process for the partial oxidation of hydrocarbon and process for preparation of oxygen-containing organic compound
The invention provides a catalyst for partial oxidation of hydrocarbon in the presence of a reducing compound, the catalyst comprising ultra-fine gold particles immobilized on a titanium-containing...
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6037507 |
Oxidation process of branched aliphatic hydrocarbons and process for producing the oxide
A non-cyclic branched aliphatic hydrocarbon (e.g., isobutane) is oxidized with oxygen in the presence of an oxidation catalyst comprising an imide compound of the following formula (1) (e.g.,...
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5990357 |
Process for the oxidation of isoalkylaromatic hydrocarbons, and catalyst for the execution of the process
In a process for the catalytic oxidation of isoalkylaromatic hydrocarbons into ketones, alcohols and peroxides the isoalkyl- aromatic hydrocarbons in fluid phase at a temperature of 60 to 120° C. ...
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5817881 |
Tetraalykylammonium polyoxoanionic oxidation catalysts
Alkanes are catalytically oxidized in air or oxygen using iron-substituted polyoxoanions (POAs) of the formula: He-z (n-C4 H9)4 N!z (XM11 M'O39)-eThe M' (e.g., iron(III)/iron(II)) reduction...
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5723697 |
Catalytic oxidation of light alkanes in presence of a base
The presence of a base in the reaction mixture in a metal-ligand catalyzed partial oxidation of alkanes results in sustained catalyst activity, and in greater percent conversion as compared with...
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5659077 |
Production of acetic acid from methane
The novel integrated process for production of acetic acid comprises the steps of subjecting a feed mixture consisting of (a) methane gas and (b) gaseous oxygen, air, or a mixture thereof to...
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5504262 |
Direct catalytic conversion of methane to ethanol
The present invention relates to a method for making mixtures of ethanol and methanol by reacting methane, water and an acidic aqueous solution of a electron acceptor, preferably Fe2 (SO4)3 or...
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5414157 |
Catalytic oxidation of alkanes
Process and apparatus are provided for oxidation of oxidation of organic compounds in which a reaction zone is provided, containing an open space and a bed of solid granular catalyst, an organic...
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5345011 |
New manganese catalyst for light alkane oxidation
Aluminophosphates containing manganese in the structural framework are employed for the oxidation of alkanes, for example the vapor phase oxidation of methane to methanol.
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5345010 |
Chromia on metal oxide for the oxidation of alkane to alcohol
A process for the direct catalytic oxidation of methane to methanol comprises separately contacting chromium chemically bound to the oxygen of a metal oxide support surface with (1) methane and (2)...
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5334780 |
Oxidation of hydrocarbons over ordered arrays of heteropolyacids and polyoxoanions on graphite
Alkanes are catalytically oxidized using heteropolyacids (HPAs) or polyoxoanions (POAs) deposited on a graphite surface. The HPAs and POAs are framework-substituted with a different metal in place...
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5274182 |
Saturated, liquid isobutylene polymers terminally functionalized by special groups
Saturated, liquid, low molecular weight and low-viscosity isobutylene polymers terminally functionalized by special groups, which correspond to the following formula ##STR1## are produced by...
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5243084 |
Oxidation of isobutane to tertiary butyl hydroperoxide
The present invention relates to a process for the oxidation of isobutane in the liquid phase to produce TBA and TBHP wherein at least a portion of the oxidation product mixture is obtained as...
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5220080 |
Chromia on metal oxide catalysts for the oxidation of methane to methanol
A process for the direct catalytic oxidation of methane to methanol comprises chromium chemically bound to the oxygen of a metal oxide catalytic support surface. The support may comprise silica,...
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5126491 |
Process for oxidating paraffinic compounds
Process for oxidating paraffinic compounds in order to yield the corresponding alcoholic and/or ketonic compounds, which process consists of reacting said paraffins with an aqueous solution of...
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5118886 |
Cyano- and polycyanometalloporphyrins as catalysts for alkane oxidation
Alkanes are oxidized by contact with oxygen-containing gas in the presence as catalyst of a metalloporphyrin in which hydrogen atoms in the porphyrin ring have been substituted with one or more...
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4982023 |
Oxidation of methane to methanol
A marked improvement in yield, in selectivity or in both is obtained in the synthesis of methanol by the homogeneous direct partial oxidation of natural gas or other source of methane when the...
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4918249 |
Silicometallate molecular sieves and their use as catalysts in oxidation of alkanes
Silicometallates containing iron in the structural framework are employed as catalysts for the oxidation of hydrocarbons or oxygenated hydrocarbons, for example the vapor phase oxidation of methane...
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4900850 |
Recovery of purified ditertiary butyl peroxide
It has been discovered in accordance with the present invention that a tertiary butyl alcohol/ditertiary butyl peroxide azeotrope may be recovered from a product containing tertiary butyl alcohol...
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4900871 |
Hydrocarbon oxidations catalyzed by iron coordination complexes containing a halogenated ligand
Hydrocarbons, and particularly lower molecular weight alkanes and cycloalkanes, may readily be oxidized with air or O2 to form such products as alcohols, ketones, and the like selectively high...
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4898989 |
Alkane oxidation process
Alkanes are catalytically oxidized using site-specific framework substituted heteropolyacid or a polyoxoanion thereof.
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4895680 |
Hydrocarbon oxidations catalyzed by nitride-activated metal coordination complexes
Hydrocarbon, and particularly lower molecular weight alkanes and cycloalkanes, may readily be oxidized with air or O2 to form such products as alcohols, ketones, and the like in high yields when...
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4803305 |
Isobutane oxidation in the presence of a soluble iron complex as catalyst
The oxidation of isobutane in the presence of a novel, soluble catalyst of the formula Fe3 O(Pivalate)6 (MeOH)3 Cl is disclosed. Tertiary-Butyl alcohol, tertiary-butyl hydroperoxide, and acetone...
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4801755 |
Isobutane oxidation in the presence of a soluble propylene glycol/vanadium catalyst
The oxidation of isobutane in the presence of a novel, soluble propylene glycol/vanadium catalyst is disclosed. Tertiary-butyl alcohol, tertiary-butyl hydroperoxide, and acetone are produced. A...
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4785134 |
Allyl alcohol production using molten nitrate salt catalysts
A novel process for producing allyl alcohol and, more specifically, to a process which utilizes a molten nitrate salt catalyst.
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4760210 |
Partial oxidation system
Method and apparatus for partial oxidation of hydrocarbonaceous gases, wherein a hydrocarbonaceous gas is preheated, reacted with oxygen, and quenched by means of a rotating matrix comprising...
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4618732 |
Direct conversion of natural gas to methanol by controlled oxidation
A process of directly converting natural gas to methanol employs controlled oxidation. The reaction takes place in an inert reactor, i.e. one having internal surfaces which do not affect the...
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2922809 |
Partial oxidation of methane in a motored engine
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