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7619113 Method and apparatus for making acetic acid with improved purification  
An improved method of producing acetic acid includes condensing overhead vapor from a light ends column and decanting the condensed vapor to a light phase and a heavy phase. The heavy phase...
7582792 Carbonylation process  
Disclosed is a carbonylation process for the production of carboxylic acids, carboxylic acid esters and/or carboxylic acid anhydrides wherein a carbonylation feedstock compound selected from one or...
7491842 Process for producing carbonylation products  
A carbonylation process for producing a carbonylation product by contacting carbon monoxide with a feed comprising an alcohol and/or a reactive derivative thereof in the vapour phase using an...
7476761 Process for producing acetic acid  
A process for producing a carboxylic acid comprises allowing an alcohol having a carbon number of “n” to continuously react with carbon monoxide in the presence of a carbonylation catalyst...
7473800 Method of manufacturing acetic acid  
Acetic acid is manufactured by carbonylating methanol with carbon monoxide by way of a heterogeneous catalytic reaction in a bubble column reactor. The carbonylating reaction is conducted with a...
7470811 Integrated process for acetic acid and methanol  
An integrated process for making methanol, acetic acid, and a product from an associated process is disclosed. Syngas ( 120 ) is produced by combined steam reforming ( 109 ) and autothermal...
7381837 Method and apparatus for controlling feed of gaseous reaction component  
A method comprises continuously supplying an alcohol to a pressurized reaction system, pressurizing carbon monoxide with a compressor 8 attached to a first feed line 22 , for continuously...
7368597 Carbonylation process using metal-polydentate ligand catalysts  
A process for the liquid phase carbonylation of an alcohol and/or a reactive derivative thereof in the presence of hydrogen in which there is employed a catalyst comprising rhodium of iridium...
7345197 Preparation of acetic acid  
A method for removing aldehyde impurities from acetic acid is disclosed. The method comprises extracting the aldehyde impurities from a methyl iodide solution such as the decanter heavy phase with...
7342129 Process for the production of acetic acid  
A process for the production of acetic acid by carbonylating methanol and/or a reactive derivative thereof with carbon monoxide in a carbonylation reactor containing a liquid reaction composition...
7276626 Carbonylation process using metal-tridentate ligand catalysts  
A process for the production of a carboxylic acid and/or the alcohol ester of a carboxylic acid by carbonylating an alcohol and/or a reactive derivative thereof with carbon monoxide employing as...
7265240 Process for the carbonylation of ethylenically unsaturated compounds  
A process for the carbonylation of ethylenically unsaturated compounds is described. The process comprises reacting an ethylenically unsaturated compound with carbon monoxide in the presence of a...
7223886 Removal of permanganate reducing compounds from methanol carbonylation process stream  
An improvement of the methanol carbonylation process for manufacturing acetic acid is disclosed. Specifically disclosed is a method for reducing the formation of alkyl iodides and C 3-8 carboxylic...
7208624 Process for producing acetic acid  
An improved process is disclosed for producing acetic acid, including the following steps: reacting a carbonylatable reactant such as methanol, methyl acetate, methyl formate or dimethyl ether with...
7202382 Process for the production of acetic acid  
A process for the production of acetic acid which comprises carbonylating methanol and/or a reactive derivative thereof in one or more reactors in a liquid reaction composition comprising iridium...
7169954 Method for preparing ruthenium-carrying alumina and method for oxidizing alcohol  
A ruthenium-carrying alumina, which is prepared by suspending alumina in a solution containing trivalent ruthenium and adding a base to the suspension, is provided. This ruthenium-carrying alumina...
7115774 Process for carbonylating alcohols, employing a catalyst based on rhodium or iridium in a non-aqueous ionic liquid, with efficient catalyst recycling  
In a process for liquid phase carbonylation of alcohols by carbon monoxide, the carbonylation reaction is carried out in a reaction zone at a temperature of 50° C. to 150° C. at a pressure in the...
7109379 Method for producing carbonyl compound  
An oily solution of water-insoluble aliphatic alcohol is allowed to react with an aqueous hydrogen peroxide solution in the presence of a catalyst containing a metal compound belonging to Group 8...
7098363 Process for the production of carboxylic acid  
A process for the production of a product comprising a carboxylic acid having n+1 carbon atoms which process comprises reacting in the liquid phase at elevated temperature and pressure a...
7053241 Acetic acid production methods incorporating at least one metal salt as a catalyst stabilizer  
Processes for the production of acetic acid by carbonylation of methanol, and reactive derivatives thereof, in a reaction mixture using a rhodium-based catalyst system with at least one metal salt...
7034170 Manganese(IV) complex salts and their use as oxidation catalysts  
Manganese(IV) complex salts of formula [LMn(μ-O) 3 MnL] n [XM 12 O 40 ] m , (I), wherein L is 1,4,7-trimethyl-1,4,7-triazacyclononane, X is P or Si, M is Mo or W, n is 2 or 3, and m is 1 or 2,...
7009070 Modification of the catalytic system in an industrial process for making acetic and/or methyl acetate acid  
The invention relates to a continuous process for the manufacture of acetic acid and/or methyl acetate, characterized in that, during the continuous operation of the installation for a continuous...
7005541 Low water methanol carbonylation process for high acetic acid production and for water balance control  
The invention relates to a process for the production of acetic acid by carbonylation of methanol, and reactive derivatives thereof, in a reaction mixture using a rhodium-based catalyst in low...
6916951 Continuous carbonylation process  
Disclosed is a continuous process wherein carbon monoxide, a carbonylatable reactant, and a halide in the gas phase are contacted with a non-volatile catalyst solution comprising an ionic liquid...
6916952 Method for preparing acetic acid and or methyl acetate in the presence of iridium and platinum  
The invention relates to a process for the preparation of acetic acid and/or methyl acetate in the liquid phase by the carbonylation of methanol and/or the isomerization of methyl formate in the...
6867164 Catalyst for production of acetic acid or acetic acid and ethyl acetate, process for its production and process for production of acetic acid or acetic acid and ethyl acetate using it  
An acetic acid production catalyst that contains (b) at least one element selected from the group consisting of Group 14 elements, Group 15 elements and Group 16 elements of the Periodic Table...
6858753 Process for the preparation of carboxylic acids from aliphatic alcohols  
The present invention provides an improved process for the production of carboxylic acids by the carbonylation of alcohol. The process involves contacting an alcohol with carbon monoxide in the...
6784313 Process for producing carboxylic acids  
A process for producing a carboxylic acid having (n+1) carbon atoms, which includes carbonylating an alcohol having n carbon atoms, and/or an ester of the alcohol and the carboxylic acid in each...
6774083 Process for improving the stability and/or preventing the deactivation of the catalyst during the manufacture of acetic acid and/or of methyl acetate  
A process for improving the stability and/or preventing the deactivation of catalyst in processes of continuous manufacture of acetic acid and/or methyl acetate includes a first, reaction step...
6686500 Process for the production of acetic acid  
A process for the production of acetic acid by reacting carbon monoxide with methanol and/or a reactive derivative thereof in a liquid reaction composition comprising an iridium carbonylation...
6677480 Process control in production of acetic acid via use of heavy phase density measurement  
A process for monitoring and controlling reactor conditions during the production of acetic acid by the catalyzed carbonylation of methanol is provided. The process of the present invention...
6667418 Oxidation treatment of a recycle stream in production of acetic acid by methanol carbonylation  
A method and system is provided for producing acetic acid by the catalytic carbonylation of methanol with carbon monoxide to obtain a reaction product stream comprising acetic acid and a minor...
6657078 Low energy carbonylation process  
A low energy process for producing acetic acid by the carbonylation of methanol is disclosed. The process involves a rhodium-catalyzed system operated at less than about 14% water utilizing up to 2...
6646154 Method for carbonylation of lower alkyl alcohols using tungsten promoted group VIII catalyst  
A vapor-phase carbonylation method for producing esters and carboxylic acids from reactants comprising lower alkyl alcohols, lower alkyl alcohol generating compounds, and mixtures thereof. The...
6642413 Process for monitoring a continuous acetic acid and/or methyl acetate production  
A continuous preparative process, including monitoring production, for acetic acid, methyl acetate or a mixture thereof, by carbonylation, in an industrial installation, of methanol or a...
6639091 Bidentate ligand, catalyst system containing such ligand and a process for the carbonylation of ethylenically or acetylenically unsaturated compounds using such a catalyst system  
Bidentate ligand of formula II, R 1 R 2 M 1 —R—M 2 R 3 R 4 (II) wherein M 1 and M 2 are independently P, As or Sb; R 1 , R 2 , R 3 and R 4 independently represent tertiary alkyl groups,...
6627770 Method and apparatus for sequesting entrained and volatile catalyst species in a carbonylation process  
A method and apparatus for sequestering entrained or volatile catalyst species in a carbonylation process includes contacting the product stream with a vinyl pyridine or a vinyl pyrrolidone resin...
6617471 Method for carbonylation of lower aliphatic alcohols using tin promoted iridium catalyst  
A vapor-phase carbonylation method for producing esters and carboxylic acids from reactants comprising lower alkyl alcohols, lower alkyl alcohol generating compounds, and mixtures thereof. The...
6596781 Integrated process for preparing Fischer-Tropsch products and acetic acid from synthesis gas  
An integrated process for carrying out the production of Fischer-Tropsch products and acetic acid made using the methanol and carbonylation route which utilizes the hydrogen recovered from the...
6573403 Process for production of acetic acid  
A process for producing acetic acid which comprises charging reactants methanol, dimethyl ether, methyl acetate or any mixture thereof into a reactor containing: (1) a rhodium carbonylation...
6552221 Process control for acetic acid manufacture  
A method of real time process control in a reaction system for the production of acetic acid from the carbonylation of methanol. Reaction system samples are collected from columns and/or transfer...
6531630 Bimodal acetic acid manufacture  
The converting of an existing methanol plant to make acetic acid is disclosed. The converted plant utilizes the steam reformer ( 10 ) to which (a) a hydrocarbon ,e.g., natural gas, or a lower...
6521783 Processes for preparing oxygenates  
This invention relates in part to a processes for the conversion of a feedstock stream comprising carbon monoxide and hydrogen to a product stream comprising at least one of an ester, acid, acid...
6506933 Vapor phase carbonylation process using gold catalysts  
Disclosed herein is a vapor phase carbonylation process useful for producing carboxylic acids, esters and mixtures thereof from lower aliphatic alcohols, ethers, ester, and ester-alcohol mixtures....
6472558 Process for the production of acetic acid  
A process for the production of acetic acid by reacting carbon monoxide with methanol and/or a reactive derivative thereof in a liquid reaction composition comprising an iridium carbonylation...
6458995 Catalytic composition for carbonylation including iridium and pyridine polymers  
An improvement to methanol carbonylation processes utilizing a homogeneous iridium catalyst system comprises adding a rate-promoting amount of an insoluble pyridine ring-containing polymer....
6455023 Metallic catalysts for non-neutral liquid media  
Carbon monolith-supported catalysts with high leach resistance used in catalytic applications involving strong acidic and basic conditions in a pH range of from 0 to 6.5 and from 7.5 to 14, are...
6452043 Carbonylation of lower alkyl alcohols and their derivatives using metals supported on carbonized polysulfonated divinylbenzene-styrene copolymers  
A method for producing esters, carboxylic acids and mixtures thereof includes contacting, under carbonylation conditions, lower alkyl alcohols, ethers, lower alkyl alcohol derivatives and mixtures...
6441222 Vapor phase carbonylation process using iridium-gold co-catalysts  
Disclosed herein is a vapor phase carbonylation process useful for producing carboxylic acids, esters and mixtures thereof from lower aliphatic alcohols, ethers, ester, and ester-alcohol mixtures....
6420304 Polymer-supported carbonylation catalyst and its use  
The invention relates to a polymer-supported carbonylation catalyst and its use in a process for preparing organic carboxylic acid or anhydride having n+1 carbon atoms. The invention relates also...
Matches 1 - 50 out of 257 1 2 3 4 5 6 >