BRPI0418267A - processo para preparar butadieno a partir de n-butano - Google Patents
processo para preparar butadieno a partir de n-butanoInfo
- Publication number
- BRPI0418267A BRPI0418267A BRPI0418267-7A BRPI0418267A BRPI0418267A BR PI0418267 A BRPI0418267 A BR PI0418267A BR PI0418267 A BRPI0418267 A BR PI0418267A BR PI0418267 A BRPI0418267 A BR PI0418267A
- Authority
- BR
- Brazil
- Prior art keywords
- butane
- gas stream
- butadiene
- preparing butadiene
- butene
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C5/00—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C5/00—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C11/00—Aliphatic unsaturated hydrocarbons
- C07C11/12—Alkadienes
- C07C11/16—Alkadienes with four carbon atoms
- C07C11/167—1, 3-Butadiene
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C5/00—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
- C07C5/32—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with formation of free hydrogen
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C5/00—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
- C07C5/42—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with a hydrogen acceptor
- C07C5/48—Preparation 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)
Abstract
PROCESSO PARA PREPARAR BUTADIENO A PARTIR DE n-BUTANO A invenção diz respeito a um método para produzir butadieno a partir do n-butano, compreendendo as etapas de A) prover uma corrente "a" de gás de entrada contendo n-butano; B) alimentar referida corrente "a" de gás de entrada contendo n-butano a pelo menos uma primeira zona de desidrogenação e desidrogenar o n-butano de uma maneira catalítica não oxidante, por meio do que uma corrente de gás produto b contendo n-butano, 1-buteno, 2-buteno, butadieno, hidrogênio, componentes secundários de baixo ponto de ebulição, e corrente opcional, é obtido; C) alimentar a corrente de gás produto b resultante do processo de desidrogenação catalítica não oxidante e um gás contendo oxigênio, a pelo menos uma segunda zona de desidrogenação e de forma oxidante desidrogenar 1-buteno e 2-buteno, por meio do que uma corrente de gás produto c contendo n-butano, 2-buteno, butadieno, hidrogênio, componentes secundários de baixo ponto de ebulição, e vapor, é obtido, referido segunda corrente de gás produto c tendo um maior conteúdo de butadieno do que a corrente de gás produto b; D) eliminar o hidrogênio, os componentes secundários de baixo ponto de ebulição, e o vapor, por meio do que uma corrente de gás produto C~ 4~ d essencialmente compreendendo n-butano, 2-buteno e butadieno, é obtido; E) separar a corrente de gás produto C~ 4~ d em uma corrente de recirculação e1 essencialmente compreendendo n-butano n- butano e 2-buteno e uma corrente de produto de valor e2 substancialmente compreendendo butadieno, por meio de destilação extrativa; F) alimentar a corrente e1 essencialmente compreendendo n-butano e 2-buteno, bem como uma corrente de circulação "g" contendo 1-buteno e 2-buteno, a uma zona de destilação e separá-lo em uma correente de produto de valor f1, uma corrente "f2" de recirculação contendo 2-buteno e n-butano, e uma corrente "f3" contendo 2-buteno, e redireiconar a corrente "f2" de recirculação para a primeira zona de desidrogenação; G) alimentar a corrente "f3" contendo 2-buteno para uma zona de isomerização e isomerizar o 2-buteno em 1-buteno, por meio do que uma corrente "g" de circulação contendo 1-buteno e 2-buteno é obtido, e redirecionar a corrente "g" de gás de circulação para a zona de destilação.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10361823A DE10361823A1 (de) | 2003-12-30 | 2003-12-30 | Verfahren zur Herstellung von Butadien und 1-Buten |
| PCT/EP2004/014835 WO2005063657A1 (de) | 2003-12-30 | 2004-12-30 | Verfahren zur herstellung von butadien und 1-buten |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BRPI0418267A true BRPI0418267A (pt) | 2007-05-02 |
Family
ID=34716274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BRPI0418267-7A BRPI0418267A (pt) | 2003-12-30 | 2004-12-30 | processo para preparar butadieno a partir de n-butano |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US7488857B2 (pt) |
| EP (1) | EP1708977B1 (pt) |
| KR (1) | KR101158589B1 (pt) |
| CN (1) | CN100387557C (pt) |
| AT (1) | ATE470651T1 (pt) |
| BR (1) | BRPI0418267A (pt) |
| DE (2) | DE10361823A1 (pt) |
| EA (1) | EA009785B1 (pt) |
| ES (1) | ES2346656T3 (pt) |
| MY (1) | MY136625A (pt) |
| TW (1) | TWI335315B (pt) |
| WO (1) | WO2005063657A1 (pt) |
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| MY135793A (en) | 2002-07-12 | 2008-06-30 | Basf Ag | Method for the production of butadiene from n-butane |
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-
2003
- 2003-12-30 DE DE10361823A patent/DE10361823A1/de not_active Withdrawn
-
2004
- 2004-12-29 MY MYPI20045400A patent/MY136625A/en unknown
- 2004-12-30 BR BRPI0418267-7A patent/BRPI0418267A/pt not_active IP Right Cessation
- 2004-12-30 CN CNB2004800394281A patent/CN100387557C/zh not_active Expired - Fee Related
- 2004-12-30 ES ES04804420T patent/ES2346656T3/es active Active
- 2004-12-30 AT AT04804420T patent/ATE470651T1/de not_active IP Right Cessation
- 2004-12-30 WO PCT/EP2004/014835 patent/WO2005063657A1/de active Application Filing
- 2004-12-30 EP EP04804420A patent/EP1708977B1/de not_active Not-in-force
- 2004-12-30 EA EA200601232A patent/EA009785B1/ru not_active IP Right Cessation
- 2004-12-30 US US10/584,783 patent/US7488857B2/en not_active Expired - Fee Related
- 2004-12-30 DE DE502004011272T patent/DE502004011272D1/de active Active
- 2004-12-30 TW TW093141283A patent/TWI335315B/zh not_active IP Right Cessation
- 2004-12-30 KR KR1020067015295A patent/KR101158589B1/ko not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| US20070161842A1 (en) | 2007-07-12 |
| EP1708977A1 (de) | 2006-10-11 |
| EP1708977B1 (de) | 2010-06-09 |
| DE10361823A1 (de) | 2005-08-11 |
| ES2346656T3 (es) | 2010-10-19 |
| KR20070011275A (ko) | 2007-01-24 |
| EA200601232A1 (ru) | 2007-02-27 |
| TWI335315B (en) | 2011-01-01 |
| ATE470651T1 (de) | 2010-06-15 |
| MY136625A (en) | 2008-10-31 |
| US7488857B2 (en) | 2009-02-10 |
| CN1902149A (zh) | 2007-01-24 |
| WO2005063657A1 (de) | 2005-07-14 |
| EA009785B1 (ru) | 2008-04-28 |
| KR101158589B1 (ko) | 2012-07-06 |
| DE502004011272D1 (de) | 2010-07-22 |
| CN100387557C (zh) | 2008-05-14 |
| TW200536822A (en) | 2005-11-16 |
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