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Lyondellbasell Acetyls Llc patents


Recent patent applications related to Lyondellbasell Acetyls Llc. Lyondellbasell Acetyls Llc is listed as an Agent/Assignee. Note: Lyondellbasell Acetyls Llc may have other listings under different names/spellings. We're not affiliated with Lyondellbasell Acetyls Llc, we're just tracking patents.

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High pore volume alumina supported catalyst for vinyl acetate monomer (vam) process

Disclosed is a supported catalyst for the preparation of vinyl acetate monomer (vam), a process for preparing a catalyst comprising an extruded alumina support, and a catalytic process for the manufacturing vinyl acetate using the supported catalyst. Specifically, it is shown that for activated palladium-gold vam catalysts prepared using extruded alumina supports, enhanced performance is demonstrated with increased pore volume of the support, and the gas hourly space velocity (ghsv, hr−1), which was found to significantly increase the space time yield as ghsv increased as compared to the non-extruded alumina supported catalysts.. ... Lyondellbasell Acetyls Llc

Crush strength and porosity of an alumina carrier for enhanced vam catalysts

Disclosed is a supported catalyst for the preparation of vinyl acetate monomer, a process for preparing the supported catalyst in tablet or pellet form, and a catalytic process for the manufacturing vinyl acetate using the supported catalyst. Specifically, it is shown that catalyst performance shows a strong dependence on the crush strength of the tableted or pelletized alumina support used in the process to make the catalyst, and that the crush strength of the catalyst is closely related to the porosity of the support. ... Lyondellbasell Acetyls Llc

Acetic acid process

The present disclosure provides for a method for measuring the concentration of one or more components in a reactor or a separation unit of an acetic acid process by raman spectroscopic analyses. In some embodiments, the conditions in the reactor or in any subsequent step of the acetic acid production process are adjusted in response to the measured concentration of one or more components.. ... Lyondellbasell Acetyls Llc

Selective removal of impurities in acetic acid production processes

Processes for producing carboxylic acid are included herein. The processes include contacting methanol and carbon monoxide in the presence of a liquid reaction medium under carbonylation conditions sufficient to form a carbonylation product including acetic acid and one or more components selected from acetaldehyde, formic acid and combinations thereof, wherein the liquid reaction medium includes: a carbonylation catalyst selected from rhodium catalysts, iridium catalysts and palladium catalysts; and water in a water concentration in a range of 1 wt. ... Lyondellbasell Acetyls Llc

Removal of aldehydes in acetic acid production processes

The present technology discloses processes for producing carboxylic acid. In some embodiments, the processes include contacting methanol and carbon monoxide in the presence of a liquid reaction medium under carbonylation conditions sufficient to form a carbonylation product, including acetic acid and acetaldehyde. ... Lyondellbasell Acetyls Llc

Catalyst stability and corrosion prevention in acetic acid production process

Processes for producing acetic acid herein generally include contacting methanol and carbon monoxide in the presence of a reaction medium under carbonylation conditions sufficient to form acetic acid, the reaction medium including a carbonylation catalyst selected from rhodium catalysts, iridium catalysts and palladium catalysts; from 1 wt. % to 14 wt. ... Lyondellbasell Acetyls Llc








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