AR120570A2 - Proceso integrado para producir olefinas c₃₋₄ o di-olefinas c₃₋₄ - Google Patents

Proceso integrado para producir olefinas c₃₋₄ o di-olefinas c₃₋₄

Info

Publication number
AR120570A2
AR120570A2 ARP200103290A ARP200103290A AR120570A2 AR 120570 A2 AR120570 A2 AR 120570A2 AR P200103290 A ARP200103290 A AR P200103290A AR P200103290 A ARP200103290 A AR P200103290A AR 120570 A2 AR120570 A2 AR 120570A2
Authority
AR
Argentina
Prior art keywords
catalyst
olefin
product
feed
integrated process
Prior art date
Application number
ARP200103290A
Other languages
English (en)
Inventor
Matthew T Pretz
Original Assignee
Dow Global Technologies Llc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dow Global Technologies Llc filed Critical Dow Global Technologies Llc
Publication of AR120570A2 publication Critical patent/AR120570A2/es

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    • C07C5/327—Formation of non-aromatic carbon-to-carbon double bonds only
    • C07C5/333—Catalytic processes
    • C07C5/3332—Catalytic processes with metal oxides or metal sulfides
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Abstract

Un proceso integrado, adecuado para uso en una planta nueva o reacondicionada, produce una olefina o di-olefina mediante la deshidrogenación de una alimentación de hidrocarburo C₃₋₄ apropiado incluye (1) contactar la alimentación y un catalizador de deshidrogenación que presenta una clasificación Geldart A o Geldart B en un lecho fluidizado a una temperatura de 550ºC a 760ºC y una presión de aproximadamente 41,4 a aproximadamente 308,2 kPa (aproximadamente 6,0 a aproximadamente 44,7 psia) y una velocidad de alimentación del catalizador, w/w, de 5 a 100 para formar un producto deshidrogenado; separar el producto deshidrogenado y la mezcla de alimentación de partida sin reaccionar de una porción del catalizador por medio de un sistema de separación ciclónica; reactivar el catalizador en un regenerador fluidizado mediante la combustión a una temperatura de 660ºC a 850ºC, seguido del contacto con un fluido que contiene oxígeno a 660ºC o mayor, y retornando el catalizador al reactor de deshidrogenación; (2) comprimir la mezcla del producto para formar una mezcla del producto comprimida; y (3) fraccionar la mezcla del producto comprimida para formar una corriente de producto que incluye al menos la olefina o di-olefina meta. El proceso integrado ofrece una mayor capacidad de planta, un rendimiento mejorado y un impacto ambiental reducido en comparación con otros procesos conocidos y convencionales.
ARP200103290A 2015-03-30 2020-11-26 Proceso integrado para producir olefinas c₃₋₄ o di-olefinas c₃₋₄ AR120570A2 (es)

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