JP2014532705A - ブテンを有する供給原料を同時に二量体化および水和するための方法 - Google Patents
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Abstract
Description
表1:ガソリンと比較したブタノールの特性
このプロセス中、硫酸は、約35重量%の濃度まで希釈され、それがプロセス中で再使用され得る前に再濃縮されなければならない。このプロセスの1つの利点は、高い変換速度である。しかしながら典型的には、多くの他の問題が液体触媒の使用と関連付けられる。これらの問題としては、触媒の分離および回収、装置および設備の腐食、ならびに第2ブチルエーテル、イソプロピルアルコール、C5−C8炭化水素、およびポリマー等の望ましくない副生成物の形成が挙げられる。これらの副生成物のうちのいくつかは、SBAの精製を困難にする。
混合ブテンは、4つの構造異性体、1−ブテン、2−シス−ブテン、2−トランス−ブテン、およびイソブテンを有する。任意に、エチレン、プロピレン、およびペンチレン等の他の低オレフィンが、供給原料中に存在し得る。
混合ブタノールは、1−ブタノール、2−ブタノール、t−ブタノール、およびイソブタノールから選択される、少なくとも2つの化合物を含む。本発明の好ましい実施形態は、2−ブタノールおよびt−ブタノールのみを含む。
ジ−イソブテン(DIB)、トリ−イソブテン、イソブテンおよびn−ブテンの二量体、ならびにイソブテンおよびn−ブテンの三量体は全て、混合ブテンのオリゴマー化から得られ得る。他の考えられる生成物は、当業者に公知である。DIBは、MTBEおよびアルキレートと比較してより高いRON、より高いオクタン感度もしくはより良好なアンチノック性、より高いエネルギー含量、ならびに/またはMTBEおよびエタノールよりも低いRVP等、ブレンド剤として多くの利点を有する、非酸素化燃料成分である。
混合ブテンのオリゴマー化は、全てのブテン異性体のオリゴマー化、好ましくはイソブテンのオリゴマー化、および最も好ましくはイソブテンの二量体化を含む。オリゴマー化画分は、二量体(イソオクテンまたはDIB)が非常に豊富であり得、非常に高品質のガソリンを生じさせるために、それ自体ガソリンカットに添加され得る。
[イソブテンの二量体化:]
2−ブタノールおよびt−ブタノールの両方は、混合ブテンの水和から作られ得る。ブタノールおよびブテンのエーテル化生成物またはブタノール自体等の他の考えられる生成物は、当業者に公知である。ブタノールは概して、良好なガソリンオクタンブレンド特性を有し、石油添加物としてエタノール等の他の酸素化物と合わせて使用されてもよい。
ブテンのブタノールへの水和は、その生成物がいくつかの重要な産業上の応用性を見出すため、商業的に重要な反応である。概して、混合ブテンの水和は、2−ブタノールおよびt−ブタノールのみを生成するように通常選択される。混合ブタノール、主に2−ブタノールおよびt−ブタノールは、酸素化型プレミアムガソリン添加物として使用され得る。
実施例
表II:生成物分布および収率
表IV:第2の実験の供給原料組成物
表V:生成収率
表VI:第2の実験の有機層組成物
Claims (18)
- 混合ブテンを含む炭化水素供給原料を同時に二量体化および水和するための方法であって、
混合ブタノールおよびDIBを含む生成物流を形成するために、前記炭化水素供給原料内で前記ブテンをオリゴマー化および水和可能な反応条件下で、前記炭化水素供給原料を水および二相触媒系の存在下で反応領域に導入するステップを含む、方法。 - 前記炭化水素供給原料は、イソブテンを含む、請求項1に記載の方法。
- 前記炭化水素供給原料は、少なくとも5重量%のイソブテンを含む、請求項1または2のいずれかに記載の方法。
- 前記二相触媒系は、水溶性酸を含む、請求項1〜3のいずれかに記載の方法。
- 前記二相触媒系は、非水溶性酸を含む、請求項1〜4のいずれかに記載の方法。
- 前記反応領域は、2つ以上の反応段階を含む、請求項1〜5のいずれかに記載の方法。
- 反応平衡が正反応を好むように移行するように、前記生成物流から前記DIBおよびブタノールを除去するステップをさらに含む、請求項1〜6のいずれかに記載の方法。
- 生成物流を有しない第2のガソリン生成物と比較して増加したリサーチオクタン価および低下したリード蒸気圧を有するガソリン生成物を生成するために、前記生成物流をガソリン流と合わせるステップをさらに含む、請求項1〜7のいずれかに記載の方法。
- 前記二相触媒系は、水溶性酸触媒および非水溶性酸触媒を含む、請求項1〜8のいずれかに記載の方法。
- 前記水溶性酸触媒は、アセタール酸、トシル酸、およびパーフルレイト酢酸から選択される有機酸である、請求項9〜9のいずれかに記載の方法。
- 前記水溶性酸触媒は、HCl、H3PO4、およびH2SO4から選択される無機酸である、請求項8または9のいずれかに記載の方法。
- 前記非水溶性酸触媒は、イオン交換樹脂、ゼオライト、および担持酸から選択される、請求項9に記載の方法。
- ガソリン組成物であって、
燃料グレードガソリンと、
混合ブタノールおよびDIBを含むオクタン価を促進する添加物であって、前記オクタン価を促進する組成物は、前記オクタン価を促進する混合物を形成するために、ブテンをオリゴマー化および水和可能な条件下で、混合ブテン流を二相触媒系および水と接触させることによって調製される、オクタン価を促進する添加物と、
を含む、組成物。 - オクタン価を促進する添加物は、前記ガソリン組成物の約5〜30重量%の量で存在する、請求項13に記載の組成物。
- 前記ガソリン組成物は、前記混合ブタノールおよびDIBを含む前記オクタン価を促進する添加物と合わせられる前に、前記燃料グレードガソリンと比較して増加したRONおよび低下したRVPを有する、請求項13または14のいずれかに記載の組成物。
- ガソリン組成物を調製するための方法であって、
燃料グレードガソリンを提供するステップと、
オクタン価を促進する組成物を提供するステップであって、前記オクタン価を促進する組成物は、前記オクタン価を促進する混合物を形成するために前記ブテンをオリゴマー化および水和可能な条件下で、混合ブテン流を二相触媒系および水と接触させることによって調製される、ステップと、
燃料グレードガソリンおよびオクタン価を促進する組成物を合わせるステップであって、前記オクタン価を促進する組成物が、前記ガソリン組成物を形成するために混合ブタノールおよびDIBを含む、ステップと、
を含む、方法。 - 前記オクタン価を促進する組成物は、さらなる精製なしで、調製後に前記燃料グレードガソリンと合わせられる、請求項16に記載の方法。
- オクタン価を促進する添加物は、前記ガソリン組成物の約5〜30重量%の量で存在する、請求項16または17のいずれかに記載の方法。
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US201161554347P | 2011-11-01 | 2011-11-01 | |
US61/554,347 | 2011-11-01 | ||
PCT/US2012/062928 WO2013067097A1 (en) | 2011-11-01 | 2012-11-01 | Method for contemporaneously dimerizing and hydrating a feed having butene |
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JP2014532705A true JP2014532705A (ja) | 2014-12-08 |
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EP (1) | EP2773728A1 (ja) |
JP (1) | JP2014532705A (ja) |
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US20170198231A1 (en) | 2017-07-13 |
US9605226B2 (en) | 2017-03-28 |
WO2013067097A1 (en) | 2013-05-10 |
KR101931070B1 (ko) | 2019-03-11 |
US20150166919A1 (en) | 2015-06-18 |
SG11201401802QA (en) | 2014-05-29 |
CN103946346B (zh) | 2016-05-04 |
EP2773728A1 (en) | 2014-09-10 |
KR20140099882A (ko) | 2014-08-13 |
KR20180015304A (ko) | 2018-02-12 |
CN103946346A (zh) | 2014-07-23 |
US9796941B2 (en) | 2017-10-24 |
US20130104449A1 (en) | 2013-05-02 |
US8999013B2 (en) | 2015-04-07 |
US10370612B2 (en) | 2019-08-06 |
US20150240179A1 (en) | 2015-08-27 |
KR101828123B1 (ko) | 2018-02-09 |
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