ADIABATICALLY CONDUCTED PROCESS FOR THE PRODUCTION OF 1,3-BUTADIENE FROM MIXTURES OF ETHANOL AND ACETALDEHYDE WITH CATALYST REGENERATION

The invention relates to a process for the production of 1,3-butadiene from ethanol and acetaldehyde with catalyst regeneration comprising a) reacting a feed comprising ethanol and acetaldehyde in a reactor having at least one adiabatic reaction zone comprising a supported catalyst, and b) regenerat...

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Main Authors SITKO Magdalena, JANKOWIAK Ewelina, SKOWRONEK Szymon, KRYCA Joanna
Format Patent
LanguageEnglish
Spanish
Published 30.10.2023
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Abstract The invention relates to a process for the production of 1,3-butadiene from ethanol and acetaldehyde with catalyst regeneration comprising a) reacting a feed comprising ethanol and acetaldehyde in a reactor having at least one adiabatic reaction zone comprising a supported catalyst, and b) regenerating the supported catalyst. Regeneration stage b) comprises stripping step i. at a temperature of 300 to 400 °C, ii. first and second combustion steps ii. and iii. at a temperature of 350 to 400 °C and 400 to 550 °C, respectively, and stripping step iv. at a temperature of 550 °C to 300 °C. The gas flows to each of regeneration steps b)i. to b)iv. are first heated and then contact the supported catalyst. La invención se refiere a un procedimiento para la producción de 1,3-butadieno a partir de etanol y acetaldehído con regeneración del catalizador que comprende a) hacer reaccionar una alimentación que comprende etanol y acetaldehído en un reactor que tiene al menos una zona de reacción adiabática que comprende un catalizador anclado, y b) regenerar el catalizador anclado. La etapa b) de regeneración comprende el paso i. de arrastre con vapor a una temperatura de 300 a 400 °C, ii. los pasos ii. y iii. de primera y segunda combustiones a una temperatura de 350 a 400 °C y de 400 a 550 °C, respectivamente, y el paso iv. de arrastre con vapor a una temperatura de 550 °C a 300 °C. Los flujos de gas de cada uno de los pasos de b)i. a b)iv. de la regeneración primero se calientan y a continuación se ponen en contacto con el catalizador anclado.
AbstractList The invention relates to a process for the production of 1,3-butadiene from ethanol and acetaldehyde with catalyst regeneration comprising a) reacting a feed comprising ethanol and acetaldehyde in a reactor having at least one adiabatic reaction zone comprising a supported catalyst, and b) regenerating the supported catalyst. Regeneration stage b) comprises stripping step i. at a temperature of 300 to 400 °C, ii. first and second combustion steps ii. and iii. at a temperature of 350 to 400 °C and 400 to 550 °C, respectively, and stripping step iv. at a temperature of 550 °C to 300 °C. The gas flows to each of regeneration steps b)i. to b)iv. are first heated and then contact the supported catalyst. La invención se refiere a un procedimiento para la producción de 1,3-butadieno a partir de etanol y acetaldehído con regeneración del catalizador que comprende a) hacer reaccionar una alimentación que comprende etanol y acetaldehído en un reactor que tiene al menos una zona de reacción adiabática que comprende un catalizador anclado, y b) regenerar el catalizador anclado. La etapa b) de regeneración comprende el paso i. de arrastre con vapor a una temperatura de 300 a 400 °C, ii. los pasos ii. y iii. de primera y segunda combustiones a una temperatura de 350 a 400 °C y de 400 a 550 °C, respectivamente, y el paso iv. de arrastre con vapor a una temperatura de 550 °C a 300 °C. Los flujos de gas de cada uno de los pasos de b)i. a b)iv. de la regeneración primero se calientan y a continuación se ponen en contacto con el catalizador anclado.
Author KRYCA Joanna
SKOWRONEK Szymon
SITKO Magdalena
JANKOWIAK Ewelina
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DocumentTitleAlternate PROCEDIMIENTO CONDUCIDO ADIABATICAMENTE PARA LA PRODUCCION DE 1,3-BUTADIENO A PARTIR DE MEZCLAS DE ETANOL Y ACETALDEHIDO CON REGENERACION DEL CATALIZADOR.
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Snippet The invention relates to a process for the production of 1,3-butadiene from ethanol and acetaldehyde with catalyst regeneration comprising a) reacting a feed...
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SubjectTerms ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
Title ADIABATICALLY CONDUCTED PROCESS FOR THE PRODUCTION OF 1,3-BUTADIENE FROM MIXTURES OF ETHANOL AND ACETALDEHYDE WITH CATALYST REGENERATION
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