JP2008544999A - エチレンの製造方法 - Google Patents
エチレンの製造方法 Download PDFInfo
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- JP2008544999A JP2008544999A JP2008519834A JP2008519834A JP2008544999A JP 2008544999 A JP2008544999 A JP 2008544999A JP 2008519834 A JP2008519834 A JP 2008519834A JP 2008519834 A JP2008519834 A JP 2008519834A JP 2008544999 A JP2008544999 A JP 2008544999A
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- Prior art keywords
- acetylene
- hydrogenation
- temperature
- ethane
- pyrolysis
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C11/00—Aliphatic unsaturated hydrocarbons
- C07C11/02—Alkenes
- C07C11/04—Ethylene
-
- 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
- C07C5/02—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by hydrogenation
- C07C5/08—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by hydrogenation of carbon-to-carbon triple bonds
- C07C5/09—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by hydrogenation of carbon-to-carbon triple bonds to carbon-to-carbon double bonds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2/00—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms
- C07C2/02—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by addition between unsaturated hydrocarbons
- C07C2/04—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by addition between unsaturated hydrocarbons by oligomerisation of well-defined unsaturated hydrocarbons without ring formation
- C07C2/06—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by addition between unsaturated hydrocarbons by oligomerisation of well-defined unsaturated hydrocarbons without ring formation of alkenes, i.e. acyclic hydrocarbons having only one carbon-to-carbon double bond
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2/00—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms
- C07C2/76—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by condensation of hydrocarbons with partial elimination of hydrogen
- C07C2/78—Processes with partial combustion
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2/00—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms
- C07C2/76—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by condensation of hydrocarbons with partial elimination of hydrogen
- C07C2/82—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by condensation of hydrocarbons with partial elimination of hydrogen oxidative coupling
-
- 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
- C07C5/50—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with a hydrogen acceptor with an organic compound as an acceptor
- C07C5/52—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with a hydrogen acceptor with an organic compound as an acceptor with a hydrocarbon as an acceptor, e.g. hydrocarbon disproportionation, i.e. 2CnHp -> CnHp+q + CnHp-q
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/582—Recycling of unreacted starting or intermediate materials
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
Description
これらの実験は、880℃〜890℃の反応温度においてアセチレンとエタンなどのアルカン供給原料との間の主反応を示す。アセチレンの転化率は90%超であるが、エタンの転化率は75%超であった。アセチレンを水素化するために用いられる付加的な水素は、明らかに、供給原料において利用可能な遊離水素から得られた。これは、実施例2の実験とは非常に異なっており、そこでエタンは供給原料に添加されなかった。
現場水素化反応へのエタンの添加の影響を示すために、別の実験を行ない、そこでアルカン供給原料の存在しない場合のアセチレン水素化は、同じ実験においてエタンが存在する供給原料に切り換える影響と比較される。0.44秒の接触時間が維持された。供給原料中に存在するエタンに関して見られるように、列1のエチレンの形成は、供給原料中にエタンがない場合のその濃度の3倍を超える。
この一連の実験を異なった温度において行ない、水素化反応の接触時間を一定に維持した。8.79モル%のC2H2、4モル%のN2、83.9モル%のH2、および3.05モル%のC2H6のガス混合物を107cc/分の流量および0.06cc/分の水流で使用した。反応器中の圧力は大気圧であった。
この実験において、水素化した時の接触時間の影響は896℃の一定反応温度において評価され、結果を表4に示す。用いられた供給ガスの組成は12.88%のC2H2、1.79%のC2H6、5.85%のN2、および79.4%のH2であり、0.06ml/分のH2Oを添加する。結果は、様々な接触時間によってエチレンの濃度を変化させることができることを示す。
Claims (16)
- 熱分解法または部分酸化法によって、メタンを含有する投入供給原料をアセチレン含有流出物に熱転化する第1の工程と、
前記アセチレン含有流出物をエタン供給原料と十分に混合することによって、第1の工程において製造されたアセチレンを非触媒反応によって現場水素化してエチレンにする第2の工程とを含むことを特徴とするエチレンの製造方法。 - 前記熱分解法が二段法であることを特徴とする請求項1に記載の方法。
- 前記熱分解法が高温熱分解法であることを特徴とする請求項2に記載の方法。
- 前記部分酸化法が、メタンを含有する前記供給原料および酸素を600℃〜700℃の温度に予熱する工程を含み、前記酸素対メタンの供給比が0.5〜0.7であり、熱分解領域の温度が1500℃〜1600℃であることを特徴とする請求項1に記載の方法。
- 前記酸素対メタンの供給比が約0.62であることを特徴とする請求項4に記載の方法。
- 現場水素化反応が行なわれる前にアセチレン含有混合物が冷却剤を用いて部分的に急冷されることを特徴とする請求項1〜5のいずれか1項に記載の方法。
- 前記冷却剤が水、重質炭化水素、天然ガス、メタノールおよびそれらの混合物からなる群から選択されることを特徴とする請求項6に記載の方法。
- 部分的に急冷した後の前記アセチレン含有混合物の温度が800℃〜950℃であることを特徴とする請求項6または7に記載の方法。
- 前記エタン供給の速度および温度、および冷却剤の添加の速度および温度が、水素化温度を800℃〜950℃の範囲に維持するように調節されることを特徴とする請求項1に記載の方法。
- 前記エタン供給原料が水素化領域に単独で添加されることを特徴とする請求項1〜9のいずれか1項に記載の方法。
- 前記エタン対アセチレンのモル比が4:1〜0.2:1の範囲にあることを特徴とする請求項1〜10のいずれか1項に記載の方法。
- 前記エタン対アセチレンのモル比が1:1〜0.25:1の範囲にあることを特徴とする請求項11に記載の方法。
- 前記水素化領域においての接触時間が0.01〜1.0秒であり、圧力が0.05〜0.5Mpaであることを特徴とする請求項1〜12のいずれか1項に記載の方法。
- 前記水素化領域が多数の部分急冷領域を含むことを特徴とする請求項6〜13のいずれか1項に記載の方法。
- エチレン含有生成ガスの温度を90℃〜150℃の温度にするために最終急冷が行なわれることを特徴とする請求項1〜14のいずれか1項に記載の方法。
- 前記生成ガス中の残留アセチレンと未転化のエタンとが下流で分離され、補給エタン供給原料と共に前記水素化領域に再循環されることを特徴とする請求項15に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05014585.3 | 2005-07-06 | ||
EP05014585A EP1741691A1 (en) | 2005-07-06 | 2005-07-06 | Process for the production of ethylene |
PCT/EP2006/006225 WO2007003312A2 (en) | 2005-07-06 | 2006-06-22 | Process for the production of ethylene |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2008544999A true JP2008544999A (ja) | 2008-12-11 |
JP2008544999A5 JP2008544999A5 (ja) | 2012-08-30 |
JP5139281B2 JP5139281B2 (ja) | 2013-02-06 |
Family
ID=35448004
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008519834A Expired - Fee Related JP5139281B2 (ja) | 2005-07-06 | 2006-06-22 | エチレンの製造方法 |
Country Status (9)
Country | Link |
---|---|
US (1) | US8013196B2 (ja) |
EP (2) | EP1741691A1 (ja) |
JP (1) | JP5139281B2 (ja) |
KR (1) | KR101408633B1 (ja) |
CN (1) | CN101218194B (ja) |
AT (1) | ATE474823T1 (ja) |
DE (1) | DE602006015646D1 (ja) |
EA (1) | EA013242B1 (ja) |
WO (1) | WO2007003312A2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008537737A (ja) * | 2005-03-23 | 2008-09-25 | サウディ ベーシック インダストリーズ コーポレイション | アセチレンの転化によるベンゼンおよびエチレンの同時製造方法 |
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TWI617536B (zh) | 2015-06-12 | 2018-03-11 | 薩比克環球科技公司 | 藉由甲烷之非氧化偶合製造烴類之方法 |
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2005
- 2005-07-06 EP EP05014585A patent/EP1741691A1/en not_active Withdrawn
-
2006
- 2006-06-22 EA EA200800261A patent/EA013242B1/ru not_active IP Right Cessation
- 2006-06-22 DE DE602006015646T patent/DE602006015646D1/de active Active
- 2006-06-22 JP JP2008519834A patent/JP5139281B2/ja not_active Expired - Fee Related
- 2006-06-22 AT AT06762223T patent/ATE474823T1/de not_active IP Right Cessation
- 2006-06-22 KR KR1020087003061A patent/KR101408633B1/ko not_active IP Right Cessation
- 2006-06-22 WO PCT/EP2006/006225 patent/WO2007003312A2/en active Application Filing
- 2006-06-22 EP EP06762223A patent/EP1899285B1/en not_active Not-in-force
- 2006-06-22 US US11/988,349 patent/US8013196B2/en not_active Expired - Fee Related
- 2006-06-22 CN CN2006800245765A patent/CN101218194B/zh not_active Expired - Fee Related
Patent Citations (5)
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US5270016A (en) * | 1990-05-17 | 1993-12-14 | Institut Francais Du Petrole | Apparatus for the thermal conversion of methane |
JP2001010984A (ja) * | 1999-03-29 | 2001-01-16 | Basf Ag | アセチレン及び合成ガスの製造方法 |
Cited By (1)
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JP2008537737A (ja) * | 2005-03-23 | 2008-09-25 | サウディ ベーシック インダストリーズ コーポレイション | アセチレンの転化によるベンゼンおよびエチレンの同時製造方法 |
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JP5139281B2 (ja) | 2013-02-06 |
KR101408633B1 (ko) | 2014-06-17 |
KR20080037012A (ko) | 2008-04-29 |
US20090198090A1 (en) | 2009-08-06 |
EA200800261A1 (ru) | 2008-04-28 |
EA013242B1 (ru) | 2010-04-30 |
CN101218194B (zh) | 2011-06-08 |
EP1899285B1 (en) | 2010-07-21 |
EP1741691A1 (en) | 2007-01-10 |
CN101218194A (zh) | 2008-07-09 |
ATE474823T1 (de) | 2010-08-15 |
US8013196B2 (en) | 2011-09-06 |
WO2007003312A2 (en) | 2007-01-11 |
EP1899285A2 (en) | 2008-03-19 |
WO2007003312A3 (en) | 2007-04-26 |
DE602006015646D1 (de) | 2010-09-02 |
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