BR112017019500A2 - processo integrado de desidrogenação de hidrocarboneto c3-c4 - Google Patents

processo integrado de desidrogenação de hidrocarboneto c3-c4

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Publication number
BR112017019500A2
BR112017019500A2 BR112017019500A BR112017019500A BR112017019500A2 BR 112017019500 A2 BR112017019500 A2 BR 112017019500A2 BR 112017019500 A BR112017019500 A BR 112017019500A BR 112017019500 A BR112017019500 A BR 112017019500A BR 112017019500 A2 BR112017019500 A2 BR 112017019500A2
Authority
BR
Brazil
Prior art keywords
catalyst
product
geldart
diolefin
product mixture
Prior art date
Application number
BR112017019500A
Other languages
English (en)
Other versions
BR112017019500B1 (pt
Inventor
T Pretz Matthew
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 BR112017019500A2 publication Critical patent/BR112017019500A2/pt
Publication of BR112017019500B1 publication Critical patent/BR112017019500B1/pt

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    • C07C5/32—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with formation of free hydrogen
    • 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

um processo integrado, adequado para uso em uma instalação nova ou posterior, produz uma olefina ou diolefina através da desidrogenação de uma alimentação de hidrocarboneto c3-c4 apropriada que inclui (1) contatar a alimentação e um catalisador de desidrogenação com uma classificação geldart a ou geldart b em um leito fluidizado a uma temperatura de 550 oc a 760 oc e uma pressão de cerca de 41,4 a cerca de 308,2 kpa (cerca de 6,0 a cerca de 44,7 psia) e uma razão de catalisador para alimentação, p/p, de 5 a 100 para formar um produto desidrogenado; separar o produto desidrogenado e a mistura de alimentação de partida não reagida de uma porção do catalisador por meio de um sistema de separação ciclônica; reativar o catalisador em um regenerador fluidizado por combustão a 660 oc a 850 oc,seguido de contato com um fluido contendo oxigênio a 660 oc ou maior, e devolver o catalisador ao reator de desidrogenação; (2) comprimir a mistura de produto para formar uma mistura de produto comprimido; e (3) fracionar a mistura de produto comprimido para formar uma corrente de produto incluindo pelo menos a olefina ou diolefina alvo. o processo integrado oferece aumento da capacidade da instalação, economia melhorada e menor impacto ambiental em comparação com outros processos conhecidos e convencionais.
BR112017019500-3A 2015-03-30 2016-03-07 Processo integrado para a produção de olefinas c3-c4 ou diolefinas c3-c4 BR112017019500B1 (pt)

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