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9024061 Methanol carbonylation process with rhodium catalyst and a metallic co-catalyst selected from transition metals, zinc, beryllium, indium, tin, strontium and barium  
A carbonylation process for making acetic acid using a metallic co-catalyst composition, effective as a rhodium stabilizer and/or rate promoter, at molar ratios of metal/rhodium of about 0.5 to...
9006483 Process for producing acetic acid  
A production process of acetic acid according to the present invention inhibits concentration of hydrogen iodide and improves a liquid-liquid separation of an overhead from a distillation column....
8987512 Method and apparatus for carbonylating methanol with acetic acid enriched flash stream  
A carbonylation process for producing acetic acid including: (a) carbonylating methanol or its reactive derivatives in the presence of a Group VIII metal catalyst and methyl iodide promoter to...
8957248 Process for producing acetic acid  
A production process of acetic acid comprises a reaction step for continuously allowing at least one member selected from the group consisting of methanol, dimethyl ether, and methyl acetate to...
8952196 Removal of aromatics from carbonylation process  
The invention relates to processes for removing aromatics from the reactants that are fed to a carbonylation reactor. The aromatics are removed using a guard bed that comprises an adsorbent.
8940932 Process for producing acetic acid  
A process for stably producing high purity acetic acid comprising a condensation step for condensing and temporarily holding the lower boiling component in a decanter and discharging from the...
8916727 Production of acetic acid with enhanced catalyst stability  
Processes for the production of acetic acid by carbonylation of methanol and reactive derivatives thereof in a liquid phase reaction medium, wherein the reaction medium comprises a finite amount...
8877963 Production of acetic acid with high conversion rate  
The present invention is to a process for producing acetic acid comprising the step of reacting a carbon monoxide feed and methanol and/or a methanol derivative in a first reactor to produce a...
8835681 Methanol carbonylation process with rhodium catalyst and a lanthanide metal co-catalyst  
A carbonylation process for making acetic acid using a metallic co-catalyst composition, effective as a rhodium stabilizer and/or rate promoter, at molar ratios of metal/rhodium of about 0.5 to...
8802893 Method of accelerating methanol carbonylation  
According to a method for producing acetic acid by carbonylation of methanol characterized in that an acid having an acid dissociation constant (pKa) smaller than the constant of acetic acid is...
8785684 Methanol carbonylation process with rhodium catalyst, an iodide salt and a metallic co-catalyst selected from transition metals, indium, strontium, barium, zinc, tin and heteropoly acids  
A carbonylation process for making acetic acid uses a metallic co-catalyst composition effective as a rhodium stabilizer and rate promoter at molar ratios of metal/rhodium of from about 0.5 to 30....
8771616 Method and apparatus for carbonylating methanol with acetic acid enriched flash stream  
A carbonylation process for producing acetic acid including: (a) carbonylating methanol or its reactive derivatives in the presence of a Group VIII metal catalyst and methyl iodide promoter to...
8742168 Process for the production of acetic acid  
The disclosure relates to a process in which methanol is carbonylated in a reaction zone in the presence of a catalyst to obtain a reaction mixture (A) comprising acetic acid, hydrogen iodide,...
8710107 System and method for converting biomass to ethanol via syngas  
A method and apparatus for synthesizing ethanol using synthetic routes via synthesis gas are disclosed. A method and apparatus for gasifying biomass, such as biomass, in a steam gasifier that...
8703075 Acetic acid production by way of carbonylation with enhanced reaction and flashing  
A method of making acetic acid includes: (a) catalytically reacting methanol or a reactive derivative thereof with carbon monoxide in the presence of a homogeneous Group VIII metal catalyst and a...
8697907 Process for the production of acetic acid  
Process for producing acetic acid by carbonylating methanol and/or a reactive derivative thereof in a liquid reaction composition in which there exists in equilibrium, at least a first soluble...
8697908 Removal of amine compounds from carbonylation process stream containing corrosion metal contaminants  
A process for removing amine compounds from a process stream derived from a carbonylation process. The amine compounds may be present as iodide salts. The process stream also contains corrosion...
8692015 Carbonylation process  
Process for the production of at least one carbonylation product selected from acetic acid and methyl acetate, by carbonylating at least one carbonylatable reactant selected from methanol and...
8637698 Production of acetic acid with an increased production rate  
A method for producing acetic acid at increased production rates. The method may include a heat transfer system for generating a steam product from the heat of the reaction. In addition, the...
8637699 Process for the manufacture of acetic acid  
The disclosure relates to a process in which methanol is carbonylated in a reaction zone in the presence of a catalyst to obtain a reaction mixture (A) comprising acetic acid, hydrogen iodide,...
8629298 Acetic acid production process  
A method for determining the characteristic of one or more components in a step of an acetic acid production process using Raman spectroscopy. The process includes providing a feed stream...
8624054 Carbonylation process for the production of methyl acetate  
A process for the production of methyl acetate by reacting dimethyl ether with carbon monoxide into a carbonylation reactor containing a mordenite catalyst in the presence of added methyl acetate...
8563773 Eductor-based reactor and pump around loops for production of acetic acid  
Eductor mixers are used to mix the reaction medium in a carbonylation reactor. A portion of the reaction solution withdrawn from the reactor and directed through a pump around loop. The pump...
8563772 Methanol carbonylation with improved aldehyde removal  
Methanol carbonylation with improved aldehyde removal includes: (a) scrubbing light ends and aldehyde impurity from vent gas with an absorber solvent; (b) stripping absorbed light ends and...
8519181 Preparation of acetic acid  
The disclosure relates to a process for the preparation of acetic acid. The process comprises reacting a decanter heavy, organic phase of an acetic acid production process with acetic anhydride to...
8519182 Acetic acid production process  
Disclosed is a method for controlling an acetic acid production process. The method comprises: (i) reacting methanol and carbon monoxide in the presence of a carbonylation catalyst, a catalyst...
8471058 Carbonylation process using bound silver and/or copper mordenite catalysts  
Process for the carbonylation of a carbonylatable reactant selected from at least one of dimethyl ether and methanol, by carbonylating the carbonylatable reactant with carbon monoxide in the...
8461379 Production of acetic acid comprising feeding at least one reactant to a recycle stream  
This invention relates to processes for producing acetic acid from carbon monoxide and, in particular, to improved processes, wherein at least one reactant is fed upstream of a reactor recycle...
8455685 Acetic anhydride production by way of carbonylation with enhanced reaction and flashing  
A method of making acetic anhydride or a mixture of acetic anhydride and acetic acid comprising: (a) catalytically reacting a feedstock containing methyl acetate and/or dimethyl ether with carbon...
8450521 Carbonylation process catalysed by mordenite supported on inorganic oxides  
Process for preparing methyl acetate and/or acetic acid by contacting a carbonylatable reactant selected from dimethyl ether and methanol with carbon monoxide in the presence of a catalyst. The...
8431740 Controlling decanter phase separation of acetic acid production process  
Disclosed is a method for controlling the decanter phase separation of an acetic acid production by methanol carbonylation. The method comprises measuring the methyl acetate concentration of the...
8426633 Carbonylation process for the production of acetic acid and/or methyl acetate  
Process for the manufacture of at least one of acetic acid and methyl acetate by carbonylating at least one carbonylatable reactant selected from methanol, dimethyl ether and dimethyl carbonate...
8394987 Methyl iodide removal from acetic acid waste stream  
The invention is a method of removing methyl iodide from an alkane distillation bottoms stream of an acetic acid production process. The method comprises contacting the alkane distillation bottoms...
8394988 Production of acetic acid with high conversion rate  
A process for producing acetic acid comprising the steps of reacting carbon monoxide and at least one of methanol and a methanol derivative in a first reactor under conditions effective to produce...
8378141 Process and system for supplying vapor from drying column to light ends column  
The present invention is directed to a method of heating a light ends column through directing one or more vapor side streams from a drying column to the light ends column. The present invention...
8329606 Regeneration of zeolite carbonylation catalysts  
Process for the in-situ regeneration of a zeolite catalyst in a carbonylation process for the production of at least one of methyl acetate and acetic acid. The process is carried out by (a)...
8329944 Method and apparatus for carbonylating methanol with acetic acid enriched flash stream  
A carbonylation process for producing acetic acid including: (a) carbonylating methanol or its reactive derivatives in the presence of a Group VIII metal catalyst and methyl iodide promoter to...
8318977 Methanol carbonylation system having absorber with multiple solvent options  
A methanol carbonylation system 10 includes an absorber tower 75 adapted for receiving a vent gas stream and removing methyl iodide therefrom with a scrubber solvent, the absorber tower being...
8283493 Process for the production of acetic acid  
Process for the production of acetic acid by (a) introducing methanol, methyl acetate, dimethyl ether and/or methyl iodide and carbon monoxide into a first reaction zone containing a liquid...
8247607 Carbonylation process  
Process for carbonylating an alcohol or reactive derivative thereof, by (a) feeding one or more feed streams to a reaction zone, at least one feed stream containing an alcohol or reactive...
8198476 Carbonylation process for the production of acetic acid using metal-pincer ligand catalysts  
A process for the production of acetic acid by the liquid phase carbonylation of an alcohol and/or a reactive derivative thereof in which there is employed a catalyst comprising a complex of...
8173076 Method and apparatus for making acetic acid with improved light ends column productivity  
An improved apparatus and method of producing acetic acid includes condensing overhead vapor to provide reflux to the light ends column as well as condensing vapor from a central portion of the...
8168822 Acetic acid production by way of carbonylation with enhanced reaction and flashing  
A method of making acetic acid includes: (a) catalytically reacting methanol or a reactive derivative thereof with carbon monoxide in the presence of a homogeneous Group VIII metal catalyst and a...
8158815 Carbonylation process with in situ regeneration of mordenite catalyst  
A process for the carbonylation of dimethyl ether, dimethyl carbonate and/or methanol with carbon monoxide and hydrogen in the presence of a mordenite catalyst to produce at least one of acetic...
8101796 Process for the production of acetic acid  
Process for producing acetic acid by carbonylating methanol and/or a reactive derivative thereof with carbon monoxide in at least one carbonylation reaction zone containing a liquid reaction...
8088832 System and method for converting biomass to ethanol via syngas  
A method and apparatus for synthesizing ethanol using synthetic routes via synthesis gas are disclosed. A method and apparatus for gasifying biomass, such as biomass, in a steam gasifier that...
8088947 Method for producing methacrolein and/or methacrylic acid  
The present invention relates to a method for producing methacrolein and/or methacrylic acid characterized in that the catalyst filling length of a dehydration catalyst layer is 3 to 20% of the...
8076508 Preparation of acetic acid  
A process for producing acetic acid is disclosed. The process comprises carbonylating methanol to form a reaction mixture and flashing the reaction mixture to form a vapor stream and a liquid...
8076506 Process for the reduction of aldehyde concentration in a target stream  
A process for reducing the aldehyde concentration in a target stream of a carbonylation process is disclosed. More specifically, a process for reducing the aldehyde concentration in an internal...
8076507 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 C3-8 carboxylic...

Matches 1 - 50 out of 328 1 2 3 4 5 6 7 >