BRPI0418215A - processo para preparação de butadieno a partir de n-butano - Google Patents

processo para preparação de butadieno a partir de n-butano

Info

Publication number
BRPI0418215A
BRPI0418215A BRPI0418215-4A BRPI0418215A BRPI0418215A BR PI0418215 A BRPI0418215 A BR PI0418215A BR PI0418215 A BRPI0418215 A BR PI0418215A BR PI0418215 A BRPI0418215 A BR PI0418215A
Authority
BR
Brazil
Prior art keywords
butene
butane
butadiene
gas stream
hydrogen
Prior art date
Application number
BRPI0418215-4A
Other languages
English (en)
Inventor
Thorsten Johann
Goetz-Peter Schindler
Andreas Brodhagen
Sven Crone
Regina Benfer
Thomas Hill
Mark Duda
Original Assignee
Basf Ag
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 Basf Ag filed Critical Basf Ag
Publication of BRPI0418215A publication Critical patent/BRPI0418215A/pt

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C5/00Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
    • C07C5/32Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with formation of free hydrogen
    • C07C5/327Formation of non-aromatic carbon-to-carbon double bonds only
    • C07C5/333Catalytic processes
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C11/00Aliphatic unsaturated hydrocarbons
    • C07C11/12Alkadienes
    • C07C11/16Alkadienes with four carbon atoms
    • C07C11/1671, 3-Butadiene
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C5/00Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
    • C07C5/42Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with a hydrogen acceptor
    • C07C5/48Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with a hydrogen acceptor with oxygen as an acceptor

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

"PROCESSO PARA PREPARAçãO DE BUTADIENO A PARTIR DE n-BUTANO". A invenção refere-se a um método para produção de butadieno a partir de n-butano incluindo as etapas de A) fornecer uma corrente de gás de entrada a contendo n-butano; B) alimentar a referida corrente de gás de entrada a contendo n-butano a pelo menos uma primeira zona de desidrogenação e desidrogenar o n-butano de uma maneira catalítica não oxidativa, com a obtenção de um fluxo de gás produto b contendo n-butano, 1-buteno, 2-buteno, butadieno, hidrogênio, componentes secundários com baixo ponto de ebulição e opcionalmente vapor; C) alimentar a corrente de gás produto b resultante do processo de desidrogenação catalítica não oxidativa e um gás contendo oxigênio em pelo menos uma segunda zona de desidrogenação e desidrogenar oxidativamente 1-buteno e 2-buteno, sendo obtido um fluxo de gás produto e contendo n-butano, 2-buteno, butadieno, hidrogênio, componentes secundários de baixo ponto de ebulição e vapor, o referido fluxo de segundo gás produto c tendo um teor mais alto de butadieno do que o fluxo de gás produto b; D) eliminar hidrogênio, os componentes secundários de baixo ponto de ebulição, e vapor, sendo obtido um fluxo de gás produto C~ 4~ d, contendo essencialmente n-butano, 2-buteno e butadieno; E) separar o fluxo de gás produto C4 d em um fluxo de recirculação e1 contendo essencialmente n-butano e 2-buteno e um fluxo e2 contendo substancialmente butadieno, por meio de destilação extrativa, e redirecionar o fluxo e1 para a primeira zona de desidrogenação.
BRPI0418215-4A 2003-12-30 2004-12-30 processo para preparação de butadieno a partir de n-butano BRPI0418215A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10361824A DE10361824A1 (de) 2003-12-30 2003-12-30 Verfahren zur Herstellung von Butadien
PCT/EP2004/014836 WO2005063658A1 (de) 2003-12-30 2004-12-30 Verfahren zur herstellung von butadien

Publications (1)

Publication Number Publication Date
BRPI0418215A true BRPI0418215A (pt) 2007-04-27

Family

ID=34706717

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0418215-4A BRPI0418215A (pt) 2003-12-30 2004-12-30 processo para preparação de butadieno a partir de n-butano

Country Status (12)

Country Link
US (1) US7482500B2 (pt)
EP (1) EP1708978B1 (pt)
KR (1) KR101172554B1 (pt)
CN (1) CN100447117C (pt)
AT (1) ATE466826T1 (pt)
BR (1) BRPI0418215A (pt)
DE (2) DE10361824A1 (pt)
EA (1) EA009786B1 (pt)
ES (1) ES2344414T3 (pt)
MY (1) MY140092A (pt)
TW (1) TWI328000B (pt)
WO (1) WO2005063658A1 (pt)

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Also Published As

Publication number Publication date
ATE466826T1 (de) 2010-05-15
US20070167661A1 (en) 2007-07-19
DE10361824A1 (de) 2005-07-28
DE502004011141D1 (de) 2010-06-17
KR101172554B1 (ko) 2012-08-09
ES2344414T3 (es) 2010-08-26
WO2005063658A1 (de) 2005-07-14
CN1902148A (zh) 2007-01-24
MY140092A (en) 2009-11-30
KR20070011280A (ko) 2007-01-24
TWI328000B (en) 2010-08-01
EP1708978A1 (de) 2006-10-11
CN100447117C (zh) 2008-12-31
EP1708978B1 (de) 2010-05-05
US7482500B2 (en) 2009-01-27
EA009786B1 (ru) 2008-04-28
EA200601233A1 (ru) 2007-02-27
TW200530172A (en) 2005-09-16

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