JP2005522396A - 水素および一酸化炭素の混合物を分離するための方法および装置。 - Google Patents
水素および一酸化炭素の混合物を分離するための方法および装置。 Download PDFInfo
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Abstract
Description
−合成ガス(主にH2、CO、CH4、CO2、N2を含む混合物)の発生。合成ガスを製造するための工業的方法のなかでも、水蒸気改質は最も重要である。炉を構成するこのユニットの設計はCOおよび水素の要求される製造に基づく。
−合成ガスに存在する大部分のCO2を除去するためのアミンスクラビングユニット;
−吸収床での純化のためのユニット。このユニットは連続操作の2つの容器、製造での1つ、再生段階での第2を一般的に含む;
−一酸化炭素および水素(あるいは一酸化炭素および水素の混合物、すなわちオキソガズ(Oxogaz))を消費者に必要とされる量と純度で製造するための、低温方法(コールドボックス)による低温処理のためのユニット。最も一般的な方法は、99%までの回収率を有する純粋な一酸化炭素、そのCO含有率が数ppmから1%の間で普通変化する水素、および燃料として使用されるメタンに富む排気ガスを得るために、液体メタンで洗浄する、
を含む。
(i)前記低温分離からのガス、および/または
(ii)前記合成ガスの一部
からなる、少なくとも60%以上の水素を含むガスは、前記脱炭素ユニットの上流および前記合成ガス製造ユニットの下流に再循環されることを特徴とする方法である。
−少なくとも60%水素を含む前記ガスは、前記残留構成要素が分離される前記低温分離ユニットのメタンスクラビング塔の頂部で回収される;
−少なくとも60%水素を含む前記ガスは、製造された最も高い純度を有する前記ガスの一部である;
−少なくとも60%水素を含む前記ガスは、前記脱炭素ユニットの上流に送られる前に、前記乾燥ユニットを再生させるために使用される;
−前記脱炭素ユニットで純化された前記合成ガスは、前記乾燥ユニットに送られる前に、コンプレッサで圧縮される;
−水素に富むほかのガスは、前記低温分離から前記コンプレッサの上流および前記脱炭素ユニットの下流に送られる。
(i)前記低温分離装置からの水素に富むガス、および/または
(ii)前記合成ガスの1部
からなる、少なくとも60%水素を含むガスを前記脱炭素ユニットの上流、および前記合成ガス製造ユニットの下流に再循環させる手段を含むことを特徴とする設備を提供する。
−前記脱炭素手段の下流の圧縮手段。
を含む。
Claims (11)
- 炭化水素改質からのガスのような、水素および一酸化炭素を含む合成ガスが合成ガス製造ユニット(F)から収容され、前記合成ガスは脱炭素ユニット(2)で脱炭素され、かつ乾燥ユニット(5)で乾燥され、低温分離ユニット(6)での残りの構成要素の低温分離が続くタイプの水素および一酸化炭素を同時に製造する方法であり、
(i)前記低温分離からのガス(7)、および/または
(ii)前記合成ガスの一部(19)
からなる、少なくとも60%水素を含むガスは、前記脱炭素ユニットの上流および前記合成ガス製造ユニットの下流に再循環されることを特徴とする方法。 - 少なくとも60%水素を含む前記ガス(7)は、その残りの構成要素が分離される前記低温分離ユニット(6)のメタンスクラビング塔(K1)の頂部で回収される請求項1記載の方法。
- 少なくとも60%水素を含む前記ガスは、製造された最も高い純度を有する前記ガス(7)の一部である請求項1記載の方法。
- 少なくとも60%水素を含む前記ガス(7)は、前記脱炭素ユニットの上流に送られる前に、前記乾燥ユニット(5)を再生させるために使用される請求項1または2記載の方法。
- 前記脱炭素ユニット(2)で純化された前記合成ガスは、前記乾燥ユニット(5)に送られる前に、コンプレッサ(3)で圧縮される請求項1から4のいずれか1項記載の方法。
- 水素に富むほかのガス(17)は前記低温分離から前記コンプレッサの上流および前記脱炭素ユニットの下流に送られる請求項5記載の方法。
- 合成ガス製造ユニット(F)、脱炭素ユニット、乾燥ユニットおよび低温分離ユニット(6)から合成ガスを収容する手段、および前記合成ガス製造ユニットと前記脱炭素ユニットとを、前記脱炭素ユニットと前記乾燥ユニット水素とを、および前記乾燥ユニットと前記低温分離ユニットとを繋ぐ手段、および水素および一酸化炭素を生成物として回収する手段を含む、水素および一酸化炭素を同時に製造するための設備であって、
(i)前記低温分離装置からの水素に富むガス、および/または
(ii)前記合成ガスの1部(19)
からなる、少なくとも60%水素を含むガスを前記脱炭素ユニット(2)の上流、および前記合成ガス製造ユニット(F)の下流に再循環させる手段を含むことを特徴とする設備。 - 前記脱炭素手段(2)の下流の圧縮手段(3)を含む請求項7記載の設備。
- 前記水素に富むガスを前記乾燥ユニット(5)に送る手段を含む請求項7または8記載の設備。
- 前記低温分離ユニット(6)はメタンスクラビング塔(K1)、ストリッピングユニット(K2)、精留塔(K3)および前記水素に富むガスを前記メタンスクラビング塔から回収する手段を含む請求項7から9のいずれか1項記載の設備。
- 水素に富むガス(17)を前記ストリッピング塔(K2)から前記脱炭素ユニット(2)の下流に送る手段を含む請求項10記載の設備。
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FR0204681A FR2838424B1 (fr) | 2002-04-15 | 2002-04-15 | Procede et installation de separation d'un melange d'hydrogene et de monoxyde de carbone |
PCT/FR2003/001174 WO2003086965A1 (fr) | 2002-04-15 | 2003-04-14 | Procede et installation de separation d'un melange d'hydrogene et de monoxyde de carbone |
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EP (1) | EP1503953B1 (ja) |
JP (1) | JP4440653B2 (ja) |
CN (1) | CN100339301C (ja) |
AT (1) | ATE362459T1 (ja) |
AU (1) | AU2003249147A1 (ja) |
DE (1) | DE60313863T2 (ja) |
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WO (1) | WO2003086965A1 (ja) |
Cited By (1)
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JP2005523989A (ja) * | 2002-04-29 | 2005-08-11 | シェブロン ユー.エス.エー. インコーポレイテッド | シンガス成分の水性分離 |
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FR2861165B1 (fr) * | 2003-10-20 | 2005-12-16 | Air Liquide | Procede et appareil pour la production de monoxyde de carbone et/ou d'hydrogene et/ou d'un melange d'hydrogene et de monoxyde de carbone par distillation cryogenique |
FR2881417B1 (fr) * | 2005-02-01 | 2007-04-27 | Air Liquide | Procede de production de gaz de synthese a faible emission de dioxyde de carbone |
DE102005009393A1 (de) * | 2005-03-01 | 2006-09-14 | Linde Ag | Verfahren zur Adsorberregenerierung |
JP5038300B2 (ja) * | 2005-06-06 | 2012-10-03 | レール・リキード−ソシエテ・アノニム・プール・レテュード・エ・レクスプロワタシオン・デ・プロセデ・ジョルジュ・クロード | 水素及び一酸化炭素を同時に製造する方法 |
CN100358797C (zh) * | 2006-07-12 | 2008-01-02 | 宋三奎 | 合成氨脱碳闪蒸气回收方法及回收装置 |
US20080181837A1 (en) * | 2007-01-29 | 2008-07-31 | Grover Bhadra S | Hydrogen, Carbon Monoxide, and N2 Recovery From Low BTU Gases |
US8966937B2 (en) * | 2008-08-04 | 2015-03-03 | L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Process for generating and separating a hydrogen-carbon monoxide mixture by cryogenic distillation |
CN101874962B (zh) * | 2010-04-28 | 2012-08-22 | 上海戊正工程技术有限公司 | 一种分离羰基合成原料气的工艺及配套系统 |
FR2969136A1 (fr) * | 2010-12-15 | 2012-06-22 | Air Liquide | Procede pour une production de monoxyde de carbone avec alimentation de boite froide stabilisee |
FR2969134A1 (fr) * | 2010-12-21 | 2012-06-22 | Air Liquide | Procede de traitement d'un gaz de synthese obtenu par gazeification, avec recyclage de gaz de flash extraits de la boite froide et de l'unite d'extraction des gaz acides |
US8808425B2 (en) * | 2011-08-30 | 2014-08-19 | Air Products And Chemicals, Inc. | Process and apparatus for producing hydrogen and carbon monoxide |
WO2014082702A1 (de) | 2012-11-29 | 2014-06-05 | Linde Aktiengesellschaft | Verfahren zum betrieb einer dampfreformierungsanlage |
CN104512863A (zh) * | 2013-09-30 | 2015-04-15 | 中国石油化工股份有限公司 | 一种净化粗氢气体的方法 |
DE102014003392A1 (de) | 2014-03-06 | 2015-09-10 | Linde Aktiengesellschaft | Verfahren zum Betrieb einer Dampfreformierungsanlage |
FR3054216B1 (fr) * | 2016-07-25 | 2021-07-09 | Air Liquide | Procede de separation d’un gaz de synthese |
FR3057056B1 (fr) * | 2016-10-03 | 2020-01-10 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Procede et appareil de recuperation d’argon dans une unite de separation d’un gaz de purge de synthese d’ammoniac |
US11485637B2 (en) * | 2020-08-10 | 2022-11-01 | Praxair Technology, Inc. | Process for purifying a synthesis gas |
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FR2636250B1 (fr) * | 1988-09-12 | 1992-01-17 | Air Liquide | Procede et installation de recuperation d'hydrogene et de monoxyde de carbone |
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JP2005523989A (ja) * | 2002-04-29 | 2005-08-11 | シェブロン ユー.エス.エー. インコーポレイテッド | シンガス成分の水性分離 |
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JP4440653B2 (ja) | 2010-03-24 |
DE60313863T2 (de) | 2008-01-17 |
FR2838424A1 (fr) | 2003-10-17 |
CN1646421A (zh) | 2005-07-27 |
WO2003086965A1 (fr) | 2003-10-23 |
US20050232854A1 (en) | 2005-10-20 |
ATE362459T1 (de) | 2007-06-15 |
AU2003249147A1 (en) | 2003-10-27 |
EP1503953B1 (fr) | 2007-05-16 |
DE60313863D1 (de) | 2007-06-28 |
EP1503953A1 (fr) | 2005-02-09 |
US7380413B2 (en) | 2008-06-03 |
CN100339301C (zh) | 2007-09-26 |
FR2838424B1 (fr) | 2004-05-28 |
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