JP5610765B2 - マイクロチャネルプロセス技術を用いてスチレンを作るためのプロセス - Google Patents
マイクロチャネルプロセス技術を用いてスチレンを作るためのプロセス Download PDFInfo
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- JP5610765B2 JP5610765B2 JP2009501579A JP2009501579A JP5610765B2 JP 5610765 B2 JP5610765 B2 JP 5610765B2 JP 2009501579 A JP2009501579 A JP 2009501579A JP 2009501579 A JP2009501579 A JP 2009501579A JP 5610765 B2 JP5610765 B2 JP 5610765B2
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- microchannel
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- process microchannel
- heat exchange
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Description
Carbide)から入手可能なダウサームA(Dowtherm A)およびサーミノール(Therminol)などの熱交換流体を含む。熱交換流体は、塩化メチレン、フルオロクロロメタン類(例えばジクロロジフルオロメタン)、分子あたり1から約5の炭素原子を含む炭化水素(例えばメタン、エタン、エチレン、プロパン類、ブタン類、ペンタン類等)、またはそれらの2つ以上の混合物など、分子あたり1から約5の炭素原子を含む1つ以上の有機化合物を含んでよい。
1. C6H5CH2CH3+0.5O2→C6H5CH=CH2+H2O
2. C6H5CH=CH2+6O2→8CO+4H2O
3. C6H5CH=CH2+10O2→8CO2+4H2O
・壁温度380℃ サーミノールまたはダウサームなどの熱油の沸騰によるかまたは流体の対流伝熱によって保持される。
・反応定格温度420℃
・O2に対するエチルベンゼン(EB)の比=1.8(O2は空気として供給)
・出口圧力1気圧に設定
・反応器性能が安定な流量の範囲が存在する。
・最高温度は、接触時間が短くなるほど増加する。
・最高温度の位置は、接触時間が短くなるほど下流へ移動する。
・短い接触時間でエチレン反応率は低いが、最高温度は高いままである。この傾向は、触媒を担持させるための構造壁606の有効熱伝導率に対するさらなる増加の重要性を示す。
を含む。
・触媒活性は、元の50%である
・接触時間1000ms
・熱抵抗層厚さ0.02インチ(0.508mm)
・熱抵抗層の有効熱伝導率1W/m‐K
・反応器長さに沿って均一な触媒活性および熱抵抗層の耐熱性
を含む。
Claims (16)
- プロセスマイクロチャネル、
熱交換チャネル、および
前記プロセスマイクロチャネルと前記熱交換チャネルとの間で共有される共有壁
を含み、前記共有壁は伝熱壁を含み、前記伝熱壁は該伝熱壁を通る熱の流れを減少させる少なくとも1つの熱抵抗層を含む、
装置を用いて、
エチルベンゼンを含む原料組成物を前記プロセスマイクロチャネルの中に流し、少なくとも1つの触媒と接触させて前記エチルベンゼンを脱水素し、スチレンを含む生成物を形成させることであって、
前記プロセスマイクロチャネルと、前記熱交換チャネルとの間で熱を交換させること、および
前記生成物を前記プロセスマイクロチャネルから取り出すこと
を含む、エチルベンゼンをスチレンへ変換するためのプロセス。 - 前記触媒は少なくとも1つの脱水素触媒を含む、請求項1に記載のプロセス。
- 前記原料組成物は酸素を含む流体と組み合わされ、前記触媒は少なくとも1つの酸化脱水素触媒を含む、請求項1に記載のプロセス。
- 前記原料組成物と前記酸素とは、前記プロセスマイクロチャネルへ入る前に混合される、請求項3に記載のプロセス。
- 前記酸素を含む段階添加原料流が段階添加チャネルの中に流れ、前記段階添加チャネルは前記プロセスマイクロチャネルと隣接し、前記プロセスマイクロチャネルは前記原料組成物のための入口を有し、前記原料組成物は前記原料組成物のための前記入口を通って前記プロセスマイクロチャネルへ入り、前記段階添加原料流は前記段階添加チャネルから前記プロセスマイクロチャネルへ流入し、前記段階添加原料流は前記原料組成物のための前記入口の下流で前記プロセスマイクロチャネルへ入り、前記プロセスマイクロチャネルの中で前記原料組成物と接触する、請求項3に記載のプロセス。
- 前記触媒は鉄、クロム、白金、イリジウム、ロジウム、パラジウムまたはそれらの組み合わせの、少なくとも1つの酸化物を含む、請求項1または2に記載のプロセス。
- 前記触媒はバナジウム、モリブデン、タングステンまたはそれらの2つ以上の組み合わせの、少なくとも1つの酸化物を含む、請求項1、3、4、5のいずれか1項に記載のプロセス。
- 前記触媒は、FeVO4、CrVO4、NaVO3、BiVO4、AlVO4、CeVO4、VOPO4、LaVO4、SmVO4、NiMoO4、MgMoO4、CaMoO4、FeMoO4、Fe2(MoO4)3、MgWO4、CaWO4、NiWO4、FeWO4、K2O、MoO3、TiO2またはそれらの2つ以上の組み合わせを含む、請求項1、3、4、5、7のいずれか1項に記載のプロセス。
- 前記触媒は傾斜型触媒を含む、請求項1から8のいずれか1項に記載のプロセス。
- 前記構造壁はマイクログルーブ型担持ストリップを含み、前記担持ストリップは、長さおよび前記長さに沿って延在する中心軸、第1の表面、第1の側端、第2の側端、前記第1の側端から前記第2の側端へ延在する前端、前記第1の側端から前記第2の側端へ延在する後端、前記第1の表面の中にあって前記中心軸に対してある角度で前記第1の側端と前記第2の側端との間に延在する複数の平行マイクログルーブを有する、請求項1から9のいずれか1項に記載のプロセス。
- スチレンの収率は20%より大きく、少なくとも24時間のスチレンの前記収率の変化は20%より小さく、接触時間は最大10秒である、請求項1から10のいずれか1項に記載のプロセス。
- 前記構造壁はマイクログルーブ担持ストリップを含み、前記担持ストリップは長さおよび前記長さに沿って延在する中心軸、第1の表面、第1の側端、第2の側端、前記第1の側端から前記第2の側端へ延在する前端、前記第1の側端から前記第2の側端へ延在する後端、前記第1の表面の中にあって前記中心軸に対して90℃の角度で整列したまたは前記中心軸に平行に整列した複数の平行マイクログルーブを有する、請求項1から9または11のいずれか1項に記載のプロセス。
- スチレンの前記収率は少なくとも20%であり、少なくとも24時間のスチレンの前記収率の変化は20%より小さく、前記スチレンは時間あたり触媒のグラムあたり少なくとも500mlの速度で製造される、請求項1から12のいずれか1項に記載のプロセス。
- 前記プロセスマイクロチャネルの中の前記原料組成物の前記流れの時間あたりの気体空間速度は、前記プロセスマイクロチャネル内の体積のリットルあたり時間あたり少なくとも1000ノルマルリットルの原料である、請求項1から13のいずれか1項に記載のプロセス。
- プロセスマイクロチャネル、
熱交換チャネル、および
前記プロセスマイクロチャネルと前記熱交換チャネルとの間で共有される共有壁
を含み、前記共有壁は伝熱壁を含み、前記伝熱壁は該伝熱壁を通る熱の流れを減少させる少なくとも1つの熱抵抗層を含む、
装置。 - 槽の中に配置された複数のマイクロチャネル反応器を含む装置であって、
各マイクロチャネル反応器は、複数のプロセスマイクロチャネル、複数の熱交換チャネル、任意選択として複数の段階添加チャネルを含み、各プロセスマイクロチャネルは、隣接する熱交換チャネルを有し、共通壁が各プロセスマイクロチャネルと隣接する熱交換チャネルとに共有されており、各共通壁は少なくとも1つの熱抵抗層を含み、
前記槽は、原料を前記プロセスマイクロチャネルへ流すためのマニホルド、生成物を前記プロセスマイクロチャネルから流すためのマニホルド、熱交換流体を前記熱交換チャネルへ流すためのマニホルド、任意選択として、酸素または酸素源を前記段階添加チャネルへ流すためのマニホルド、および熱交換流体を前記熱交換チャネルから流すためのマニホルドを備える、
請求項15に記載の装置。
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2007
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2017043862A1 (ko) * | 2015-09-07 | 2017-03-16 | 주식회사 엘지화학 | 판상 물질의 박리 장치 |
WO2017196037A1 (ko) * | 2016-05-11 | 2017-11-16 | 주식회사 엘지화학 | 고압 균질화 장치 및 이를 이용한 그래핀의 제조방법 |
US10807056B2 (en) | 2016-05-11 | 2020-10-20 | Lg Chem, Ltd. | High pressure homogenizer and method for manufacturing graphene using the same |
Also Published As
Publication number | Publication date |
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WO2007111997A3 (en) | 2008-01-24 |
CN102836675B (zh) | 2016-06-15 |
US20070225532A1 (en) | 2007-09-27 |
US7847138B2 (en) | 2010-12-07 |
CA2857176C (en) | 2016-08-30 |
US20170007978A1 (en) | 2017-01-12 |
EP2004579A2 (en) | 2008-12-24 |
JP2009530400A (ja) | 2009-08-27 |
CN102836675A (zh) | 2012-12-26 |
CN101426752B (zh) | 2014-08-13 |
WO2007111997A2 (en) | 2007-10-04 |
CA2857176A1 (en) | 2007-10-04 |
EP2397457A3 (en) | 2013-11-20 |
CA2645218C (en) | 2014-10-07 |
CN101426752A (zh) | 2009-05-06 |
CA2645218A1 (en) | 2007-10-04 |
EP2397457A2 (en) | 2011-12-21 |
US20110112348A1 (en) | 2011-05-12 |
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