JP2015516978A - キシレン生成を最大化するための複合重質リフォメートの脱アルキル化−トランスアルキル化法 - Google Patents
キシレン生成を最大化するための複合重質リフォメートの脱アルキル化−トランスアルキル化法 Download PDFInfo
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Abstract
Description
[図1]
[図2]
[処理反応剤]
[反応過程]
[脱アルキル化反応]
[トランスアルキル化反応]
[混合キシレンの生成方法]
[補助備品]
Claims (25)
- 脱アルキル化‐トランスアルキル化システムを用いて重質リフォメートから混合キシレンを生成する方法であり、
前記重質リフォメートおよび水素を含む物質の両方を、前記重質リフォメートおよび前記水素を含む物質が混ざり合い水素化脱アルキル触媒に接触し、前記脱アルキル化段階が前記水素化脱アルキル触媒を含み、前記重質リフォメートが多量のメチルエチルベンゼンおよびトリメチルベンゼンを含み、さらに実質的に重量でトルエンを含まず、前記水素を含む物質が水素を含むように、前記脱アルキル化−トランスアルキル化システムの脱アルキル化段階に取り込むステップと、
前記脱アルキル化段階を、前記水素化脱アルキル触媒の存在によって前記メチルエチルベンゼンおよび水素の反応からトルエンが生成するように、さらに脱アルキル化段階生成物が生成され、前記脱アルキル化段階がトルエン、トリメチルベンゼンおよび非芳香族生成ガスを含むように、操作するステップと、
前記非芳香族生成ガスおよび脱アルキル化重質リフォメートが別々に生成され、前記脱アルキル化重質リフォメートがトルエンおよびトリメチルベンゼンを含むように、前記非芳香族生成ガス分離段階を操作するステップと、
前記脱アルキル化重質リフォメートを、前記脱アルキル化重質リフォメートがトランスアルキル触媒に接触し、前記トランスアルキル化段階が前記トランスアルキル触媒を含むように、前記トランスアルキル化段階に取り込むステップと、
前記トランスアルキル触媒の存在によってトリメチルベンゼンおよびトルエンの反応から混合キシレンが生成するように、さらにトランスアルキル化段階生成物が生成され、前記トランスアルキル化段階生成物の混合物が混合キシレンを含むように、前記トランスアルキル化段階を操作するステップと、
によって特徴付けられる、方法。 - 前記取り込まれた重質リフォメートの重量の少なくとも約30パーセントは、メチルエチルベンゼンが含まれる、請求項1に記載の方法。
- 前記取り込まれた重質リフォメートにおけるトリメチルベンゼンに対するメチルエチルベンゼンの重量比の値が、約0.1から約3の範囲である、請求項1〜2のいずれかに記載の方法。
- 前記取り込まれた重質リフォメートが、重量で検出不可能な量のトルエンを含む、請求項1〜3のいずれかに記載の方法。
- 重質リフォメートに対する水素を含む物質の供給比率が、約1から約4の範囲である、請求項1〜4のいずれかに記載の方法。
- 前記重質リフォメートの非芳香族生成ガスおよび前記脱アルキル化の前記選択的分離が、同一の容器で発生する、請求項1〜5のいずれかに記載の方法。
- 前記生成されたトランスアルキル化段階生成物における前記トランスアルキル化段階が、パラ−キシレンの最大化を支持する条件で動作する、請求項1〜6のいずれかに記載の方法。
- ベンゼン、トルエンおよび混合キシレンが前記生成されたトランスアルキル化段階生成物から選択的に分離されるような、前記脱アルキル化‐トランスアルキル化システムを操作するステップによってさらに特徴付けられる、請求項1〜7のいずれかに記載の方法。
- 前記選択的に分離されたベンゼンの少なくとも一部を前記トランスアルキル化段階へと再生利用するステップによってさらに特徴付けられる、請求項8に記載の方法。
- 前記選択的に分離されたトルエンの少なくとも一部を前記トランスアルキル化段階へと再生利用するステップによってさらに特徴付けられる、請求項8に記載の方法。
- 前記選択的に分離された混合キシレンの少なくとも一部を前記トランスアルキル化段階へと再生利用するステップによってさらに特徴付けられる、請求項8に記載の方法。
- オルト‐キシレン、パラ‐キシレンおよびメタ‐キシレンが前記混合キシレンから選択的に分離されるように、前記脱アルキル化‐トランスアルキル化システムを操作するステップによってさらに特徴付けられる、請求項8に記載の方法。
- 前記選択的に分離されたメタ‐キシレンの少なくとも一部を前記トランスアルキル化段階へと再生利用するステップによってさらに特徴付けられる、請求項12に記載の方法。
- メチルエチルベンゼンおよびトリメチルベンゼンを含む重質リフォメートから、混合キシレンを生成するのに有益な脱アルキル化‐トランスアルキル化システムであり、
水素を含む物質と前記重質リフォメートの両方を受け取る操作が可能で、トルエン、トリメチルベンゼンおよび非芳香族生成ガスを含む脱アルキル化段階生成物を生成する操作が可能な、水素化脱アルキル触媒を含む脱アルキル化段階と、
前記脱アルキル化段階と流体結合し、前記脱アルキル化段階生成物を受け取る操作が可能で、前記非芳香族生成ガスおよびトルエンおよびトリメチルベンゼンを含む脱アルキル化重質リフォメートを別々に生成する操作が可能な、非芳香族生成ガス分離段階と、
前記非芳香族生成ガス分離段階と流体結合し、トランスアルキル触媒を含み、前記脱アルキル化重質リフォメートを受け取る操作が可能で、混合キシレンを含むトランスアルキル化段階生成物を生成する操作が可能な、トランスアルキル化段階であり、
前記水素化脱アルキル触媒がメチルエチルベンゼンおよび水素を選択的にトルエンおよび前記非芳香族生成ガスへと変換する操作が可能で、
前記トランスアルキル触媒がトリメチルベンゼンおよびトルエンを選択的に混合キシレンへと変換する操作が可能で、
前記水素化脱アルキル触媒および前記トランスアルキル触媒が同一の物質ではなく、
前記水素化脱アルキル触媒および前記トランスアルキル触媒が同一の段階に含まれない、前記トランスアルキル化段階と、
を含む、システム。 - 前記非芳香族生成ガス分離段階および脱アルキル化段階が同一の容器の一部である、請求項14記載のシステム。
- 前記脱アルキル化段階を前記非芳香族生成ガス分離段階に流体結合し、水素を前記脱アルキル化段階に運搬する操作が可能な、再生利用ループによってさらに特徴付けられる、請求項14〜15のいずれかに記載のシステム。
- 前記トランスアルキル化段階生成物を受け取る操作が可能で、ベンゼン生成物、トルエン生成物、混合キシレン生成物およびC9+アルキル芳香族を生成する操作が可能な、前記トランスアルキル化段階と流体結合する脱アルキル化−トランスアルキル化精製システム後によってさらに特徴付けられる、請求項14〜16のいずれかに記載のシステム。
- 前記脱アルキル化段階を前記脱アルキル化‐トランスアルキル化精製システム後に流体結合し、前記C9+アルキル芳香族を前記脱アルキル化段階に運搬する操作が可能な、再生利用ループによってさらに特徴付けられる、請求項17に記載のシステム。
- 前記トランスアルキル化段階を前記脱アルキル化‐トランスアルキル化精製システム後に流体結合し、前記ベンゼン生成物の少なくとも一部を前記トランスアルキル化段階に運搬する操作が可能な、再生利用ループによってさらに特徴付けられる、請求項17に記載のシステム。
- 前記トランスアルキル化段階を前記脱アルキル化‐トランスアルキル化精製システム後に流体結合し、前記トルエン生成物の少なくとも一部を前記トランスアルキル化段階に運搬する操作が可能な、再生利用ループによってさらに特徴付けられる、請求項17に記載のシステム。
- 前記トランスアルキル化段階を前記脱アルキル化‐トランスアルキル化精製システム後に流体結合し、前記混合キシレン生成物の少なくとも一部を前記トランスアルキル化段階に運搬する操作が可能な、再生利用ループによってさらに特徴付けられる、請求項17に記載のシステム。
- 前記脱アルキル化‐トランスアルキル化精製システム後は、さらに、前記混合キシレンからパラ‐キシレン生成物、オルト‐キシレン生成物およびメタ−キシレン生成物を生成する操作が可能な、請求項17に記載のシステム。
- 前記トランスアルキル化段階を前記脱アルキル化−トランスアルキル化精製システム後に流体結合し、前記メタ−キシレン生成物の少なくとも一部を前記トランスアルキル化段階に運搬する操作が可能な、再生利用ループによってさらに特徴付けられる、請求項22に記載のシステム。
- 前記トランスアルキル化段階が、流動触媒床を含む、請求項14〜23のいずれかに記載のシステム。
- 前記トランスアルキル化段階が、移動触媒床を含む、請求項14〜23のいずれかに記載のシステム。
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20190040076A (ko) * | 2016-10-04 | 2019-04-16 | 엑손모빌 케미칼 패턴츠 인코포레이티드 | 중질 방향족 탄화수소의 불균화 및 알킬교환 |
KR20190040077A (ko) * | 2016-10-04 | 2019-04-16 | 엑손모빌 케미칼 패턴츠 인코포레이티드 | 중질 방향족 탄화수소의 탈알킬화 및 알킬교환 |
JP2019529508A (ja) * | 2016-10-04 | 2019-10-17 | エクソンモービル ケミカル パテンツ インコーポレイテッド | 重質芳香族炭化水素の脱アルキル化およびトランスアルキル化 |
JP2019529511A (ja) * | 2016-10-04 | 2019-10-17 | エクソンモービル ケミカル パテンツ インコーポレイテッド | 重質芳香族炭化水素のトランスアルキル化 |
KR102252013B1 (ko) * | 2016-10-04 | 2021-05-17 | 엑손모빌 케미칼 패턴츠 인코포레이티드 | 중질 방향족 탄화수소의 탈알킬화 및 알킬교환 |
KR102252012B1 (ko) | 2016-10-04 | 2021-05-17 | 엑손모빌 케미칼 패턴츠 인코포레이티드 | 중질 방향족 탄화수소의 불균화 및 알킬교환 |
JP2020503347A (ja) * | 2017-01-04 | 2020-01-30 | サウジ アラビアン オイル カンパニー | 重質芳香族化合物からベンゼンおよびキシレン類を製造するための統合プロセス |
JP2020521753A (ja) * | 2017-05-26 | 2020-07-27 | サウジ アラビアン オイル カンパニー | プロセス内で使用するための重質芳香族からのキシレンの生成量を最大にするためのプロセス |
JP2021063131A (ja) * | 2017-05-26 | 2021-04-22 | サウジ アラビアン オイル カンパニー | プロセス内で使用するための重質芳香族からのキシレンの生成量を最大にするためのプロセス |
JP7054743B2 (ja) | 2017-05-26 | 2022-04-14 | サウジ アラビアン オイル カンパニー | プロセス内で使用するための重質芳香族からのキシレンの生成量を最大にするためのプロセス |
Also Published As
Publication number | Publication date |
---|---|
EP3539940A1 (en) | 2019-09-18 |
JP6290180B2 (ja) | 2018-03-07 |
KR101676151B1 (ko) | 2016-11-14 |
EP2838870B1 (en) | 2019-10-30 |
US9000247B2 (en) | 2015-04-07 |
US10071939B2 (en) | 2018-09-11 |
CN108530256B (zh) | 2021-07-23 |
SG11201406720UA (en) | 2014-11-27 |
CN108530256A (zh) | 2018-09-14 |
EP2838870A1 (en) | 2015-02-25 |
SG10201503046XA (en) | 2015-06-29 |
WO2013158956A1 (en) | 2013-10-24 |
CN104334515A (zh) | 2015-02-04 |
US20150175504A1 (en) | 2015-06-25 |
KR20150003345A (ko) | 2015-01-08 |
US20130281750A1 (en) | 2013-10-24 |
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