Matches 1 - 47 out of 47


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US20140235893 Catalyst for Selectively Producing Acetic Acid Through the Partial Oxidation of Ethane  
The invention relates to the development of a catalyst for selectively producing acetic acid from a gaseous feedstock of ethane, ethylene or mixtures thereof and oxygen at a low temperature. Said...
US20130267735 Propane Oxidation Process Using Reduced Amounts of Steam  
Less propionic acid is produced as a by-product in a process for the direct oxidation of propane to acrylic acid, the process comprising the step of contacting under oxidation conditions a gaseous...
US20110184191 TWO-ZONE FLUIDISED-BED REACTOR  
Two zone (11, 12; 21, 22; 31, 32; 41, 42) fluidized bed reactor (10, 20, 30, 40), wherein the upper zone (11, 21, 31, 41) presents a different section than the lower zone (12, 22, 32, 42). In one...
US20110009667 Use of Chemical Reaction to Separate Ethylene FromEthane in Ethane-Base Processes to Produce Acetic Acid  
Described herein is a process in which acetic acid is produced by ethane oxidation. One byproduct of the ethane oxidation is ethylene. High ethylene content in the recycle gas stream will lead to...
US20130317253 PROCESS FOR CONTINUOUS RECOVERING (METH) ACRYLIC ACID AND APPARATUS FOR THE PROCESS (AS AMENDED)  
The present invention relates to a method and apparatus for continuous recovery of (meth)acrylic acid, and more specifically to a method of continuous recovery of (meth)acrylic acid, including:...
US20110150743 HYDROCYANIC ACID CONTAINING BIORESOURCE CARBON  
The invention relates to a hydrocyanic acid containing bioresource carbon, and to a method for producing a raw material mainly containing the same by reacting ammonia with methane or methanol...
US20110288325 METHOD FOR PRODUCING SILICA-SUPPORTED CATALYST, AND METHOD FOR PRODUCING UNSATURATED CARBOXYLIC ACID OR UNSATURATED NITRILE  
Disclosed is a silica-supported catalyst having excellent wear resistance, by which an object product can be obtained with excellent yield. Specifically disclosed is a method for producing a...
US20110166384 CATALYST FOR PRODUCING ACRYLIC ACID AND PROCESS FOR PRODUCING ACRYLIC ACID USING THE CATALYST  
A catalyst for producing acrylic acid from propane and/or acrolein by gas-phase catalytic oxidation with molecular oxygen-containing gas, comprising a catalytic active component containing...
US20150045582 PROCESS FOR MAKING ETHYLENE AND ACETIC ACID  
A process comprising catalytically converting ethane to ethylene and acetic acid in the presence of oxygen at a temperature of 450° C. or less in the gas phase wherein the catalyst has the...
US20130274509 Reactor and Process for Propane Oxidation  
The amount of propionic acid produced in the process of oxidizing propane to acrylic acid is reduced by using a reactor with a length/diameter ratio >10 and/or maintaining the difference between...
US20110009666 Oxidation catalyst and its preparation  
Process for the selective oxidation of ethane to ethylene and/or acetic acid, and/or the selective oxidation of ethylene to acetic acid, by contacting ethane and/or ethylene with a molecular...
US20080139844 Method Of Preparing Acrylic Acid From Propane In The Absence  
The invention relates to a method of preparing acrylic acid by selective oxidation of propane in a circulating fluidised bed or in a fluidised bed in the presence of a catalyst having structure...
US20130324758 PROCESS FOR MANUFACTURING ACROLEIN/ACRYLIC ACID  
The present invention relates to the selective elimination of propanal in acrolein-rich streams to produce acrolein and/or acrylic acid and/or acrylonitrile and/or methylmercaptopropionaldehyde...
US20100249456 Use of Predehydration Towers In an Ethane Oxidation To Acetic Acid/Ethylene Process  
Described herein is a process in which acetic acid is produced by ethane oxidation. One byproduct of the ethane oxidation is water, which is commonly removed from the process in the same stream as...
US20130225862 OXIDE CATALYST, PROCESS FOR PRODUCING OXIDE CATALYST, PROCESS FOR PRODUCING UNSATURATED ACID, AND PROCESS FOR PRODUCING UNSATURATED NITRILE  
Disclosed is a process for producing an oxide catalyst for use in the gas-phase catalytic oxidation reaction or the like of propane or the like, the process comprising the steps of: (I) obtaining...
US20110065953 PROCESS FOR THE LONG-TERM OPERATION OF A HETEROGENEOUSLY CATALYZED PARTIAL GAS PHASE OXIDATION OF AN ORGANIC STARTING COMPOUND  
A process for the long-term operation of a heterogeneously catalyzed partial gas phase oxidation of an organic starting compound, in which the reaction gas input mixture is partially oxidized over...
US20130144085 DUAL FUNCTION PARTIAL OXIDATION CATALYST FOR PROPANE TO ACRYLIC ACID CONVERSION  
Catalyst compositions including a compound of the following general formula (I): MoVaNbbPtcMdZeOx (I) a is a number having a value between about 0.15 and about 0.50,b is a number having a value...
US20140303400 SELECTIVE OXYGENATION OF ALKANES USING OXYGEN  
A process for the complete or partial oxygenation of hydrocarbons comprises contacting a C1-C8 hydrocarbon, molecular oxygen, and hydrogen peroxide, in the presence of water and a heterogeneous...
US20070078280 Process for oxidation of methane to acetic acid  
Acetic acid or derivatives such as methyl acetate and acetyl sulfate, are produced from methane by contacting a methane-containing feed with an oxygen-containing gas in the presence of a...
US20110105789 METHOD FOR PRODUCING CATALYST FOR PREPARATION OF METHACRYLIC ACID AND METHOD FOR PREPARING METHACRYLIC ACID  
A method for producing a catalyst for the preparation of methacrylic acid comprising a heteropolyacid compound containing phosphorus, molybdenum and an element X selected from the group consisting...
US20090054678 Method for producing unsaturated carboxylic acids and nitriles  
The present invention relates to an improved alkane (amm)oxidation process in which sulfur-bearing impurities present in the alkane feedstock are removed upstream from the (amm)oxidation reaction.
US20130338378 SHAPED CATALYST BODY FOR FLOW-THROUGH FIXED-BED REACTORS  
The invention relates to a shaped catalyst body for the catalytic conversion of organic and inorganic components in fixed-bed reactors, wherein the shaped catalyst body is formed as cylinder with...
US20100121007 CATALYST FOR PRODUCING OF ACRYLIC ACID, METHOD FOR PRODUCING ACRYLIC ACID USING THE CATLYST AND METHOD FOR PRODUCING WATER-ABSORBENT RESIN USING THE ACRYLIC ACID  
The invention provides a catalyst for producing acrylic acid at high yield for a long time, in a method for producing acrylic acid by catalytic gas phase oxidation of propane and/or acrolein in...
US20140336411 CATALYST FOR THE OXIDATION OF HYDROCARBONS CONSISTING OF MOLYBDENUM, VANADIUM, NIOBIUM, TELLURIUM, MANGANESE AND COBALT  
A catalyst material for the oxidation and/or oxidative dehydrogenation of hydrocarbons, in particular for the selective oxidation of propane to acrylic acid, comprising a) molybdenum (Mo), b)...
US20080154056 Process for the selective (AMM) oxidation of lower molecular weight alkanes and alkenes  
An improved process for the production of unsaturated carboxylic acids and unsaturated nitriles from their corresponding C3 to C5 alkanes, or mixtures of C3 to C5 alkanes and alkenes, that...
US20100324326 Mixed Metal Oxide Catalysts and Processes For Their Preparation and Use  
A catalyst for the oxidation of an alkane, alkene or mixtures thereof. The catalyst includes a mixed-metal oxide having the formula MoaVbNbcTedSbeOf wherein, when a=1, b=0.01 to 1.0, c=0.01 to...
US20150148563 Catalyst Material for the Oxidation of Hydrocarbons  
A catalyst material for the oxidation and/or oxidative dehydrogenation of hydrocarbons, in particular for the selective oxidation of propane to acrylic acid, is specified, comprising a) molybdenum...
US20140031585 STEAM RE-CALCINATION OF MIXED METAL OXIDE CATALYSTS  
A process for producing a catalyst for the (amm)oxidation of alkanes comprises calcination of a crystalline mixed metal oxide catalyst partially or wholly in the presence of steam.
US20080194871 Process for Preparing Improved Catalysts for Selective Oxidation of Propane Into Acrylic Acid  
The invention concerns the selective oxidation of propane into acrylic acid using highly selective catalysts and relates more particularly to a process for preparing these improved catalysts and...
US20130253217 COMPOSITE OXIDE CATALYST AND METHOD FOR PRODUCING THE SAME  
A method for producing a complex oxide catalyst containing a complex oxide represented by the formula: Mo1VaSbbNbcWdZeOn (wherein a component Z represents an element such as La, Ce, Pr, Yb, Y, Sc,...
US20080319224 METHOD FOR THE HETEROGENEOUSLY CATALYZED PARTIAL DIRECT OXIDATION OF N-PROPANE TO ACRYLIC ACID  
A method for the heterogeneously catalyzed partial direct oxidation of propane to acrylic acid in the gas phase, in which the reaction gas inlet mixture comprises cyclopropane as an impurity and...
US20080177106 SELECTIVE OXIDATION OF ALKANES AND/OR ALKENES TO VALUABLE OXYGENATES  
A catalyst, its method of preparation and its use for producing at least one of methacrolein and methacrylic acid, for example, by subjecting isobutane or isobutylene or a mixture thereof to a...
US20110178332 CATALYST FOR GAS-PHASE CONTACT OXIDATION OF HYDROCARBON, PREPARATION METHOD THEREOF AND GAS-PHASE OXIDATION METHOD OF HYDROCARBON USING THE SAME  
The present invention provides a catalyst for use in gas-phase contact oxidation of hydrocarbon with an improved yield and selectivity, a preparation method thereof, and a method of a gas-phase...
US20110178333 CATALYST FOR GAS-PHASE CONTACT OXIDATION OF HYDROCARBON, PREPARATION METHOD THEREOF AND GAS-PHASE OXIDATION METHOD OF HYDROCARBON USING THE SAME  
The present invention provides a catalyst for use in gas-phase contact oxidation of hydrocarbon with an improved yield and selectivity, a preparation method thereof, and a method of a gas-phase...
US20060052635 Oxidation catalyst and its preparation  
The present invention provides a method of preparation of a supported catalyst composition suitable for the oxidation of ethane to ethylene and/or acetic acid, and/or the oxidation of ethylene to...
US20130203984 "OXIDATION OF HYDROCARBONS"  
In a process for oxidizing a hydrocarbon to a product comprising at least one of the corresponding hydroperoxide, alcohol, ketone, carboxylic acid and dicarboxylic acid, the hydrocarbon is...
US20100029975 Integrated process for preparing a carboxylic acid from an alkane  
The present invention relates to an integrated process for producing unsaturated carboxylic acids from the corresponding C2-C4 alkane. The process begins with integrated catalytic reactions...
US20080161602 Mixed metal oxide catalysts and processes for their preparation and use  
A catalyst for the oxidation of an alkane, alkene or mixtures thereof. The catalyst includes a mixed-metal oxide having the formula MoaVbNbcTedSbeOf wherein, when a=1, b=0.01 to 1.0, c=0.01 to...
US20100036157 METHOD FOR PREPARING UNSATURATED ALDEHYDE AND/OR UNSATURATED FATTY ACID USING FIXED-BED CATALYTIC PARTIAL OXIDATION REACTOR  
The present invention provides a method for preparing unsaturated aldehydes and/or unsaturated fatty acids from olefins using a fixed-bed catalytic partial oxidation reactor, in particular, a...
US20090259071 METHOD FOR REGENERATING CATALYST FOR THE PRODUCTION OF METHACRYLIC ACID AND PROCESS FOR PREPARING METHACRYLIC ACID  
A catalyst for the production of methacrylic acid comprising a heteropolyacid compound containing phosphorus and molybdenum is regenerated by a method comprises the steps of heat-treating a...
US20130324761 HYDROCARBONS SELECTIVE OXIDATION WITH HETEROGENEOUS CATALYSTS  
A process for the complete or partial oxidation of hydrocarbons comprises contacting a C1-C8 hydrocarbon and hydrogen peroxide in the presence of a heterogeneous catalyst under conditions suitable...
US20130090495 SELECTIVE HYDROCARBON OXIDATION USING HETEROGENOUS CATALYSTS  
A process for the complete or partial oxidation of hydrocarbons comprises contacting a C1-C8 hydrocarbon and hydrogen peroxide in the presence of a heterogeneous catalyst under conditions suitable...
US20130172577 PROCESS FOR PRODUCING A RINGLIKE OXIDIC SHAPED BODY  
A process for producing a ringlike oxidic shaped body by mechanically compacting a pulverulent aggregate introduced into the fill chamber of a die, wherein the outer face of the resulting compact...
US20160176798 SEPARATION OF PROPIONIC ACID FROM ACRYLIC ACID  
Methods are provided for producing a reduced propionic acid content acrylic acid product having a propionic acid content comparable to acrylic acid products from the conventional two stage...
US20160075629 METHODS FOR PREPARING ACETIC ACID VIA ETHANE OXIDATION  
The present disclosures and inventions relate to methods for the preparation of acetic acid via the oxidation of ethane, including the preparation of high purity acetic acid that comprises very...
US20160074841 High Productivity Catalyst for Alkane Oxidation to Unsaturated Carboxylic Acids and Alkenes  
The present disclosures and inventions relate to composite catalyst compositions for the catalytic oxidation of hydrocarbons such as propane with an oxygen containing stream, in the presence of a...
US20160068462 SUPPORTED CATALYST FOR PRODUCTION OF UNSATURATED CARBOXYLIC ACIDS FROM ALKANES  
The present disclosures and inventions relate to a supported catalyst composition for the catalytic oxidation of a hydrocarbon such as propane with oxygen or air, in the presence of a catalyst...

Matches 1 - 47 out of 47