JP6715575B2 - 二酸化炭素分離方法及び二酸化炭素分離装置 - Google Patents
二酸化炭素分離方法及び二酸化炭素分離装置 Download PDFInfo
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Description
2.5kPaA<(透過気体の圧力)<(混合気体の水蒸気分圧) ・・・(1)
(混合気体の水蒸気分圧)×0.25<(透過気体の圧力)<(混合気体の水蒸気分圧) ・・・・・・(2)
下記に示す条件と前提とを用いて、分離膜モジュールの二酸化炭素の処理量を計算した。結果を表1に示す。
(組成)
総流量:1Nm3/h
CO2 :0.2 Nm3/h(20vol%−wet)
H2O :表1に記載の水蒸気分圧相当
H2 :CO2とH2Oを除いた残り組成
(温度・湿度・圧力)
表1に記載の通り。
・分離膜モジュールの透過側へのスイープガスの供給はなしとした。
・分離膜モジュールに供給される混合気体と分離膜モジュールから排出される透過気体との温度差は0℃とした。
・二酸化炭素の透過度は、分離膜モジュールの供給側を流通する混合気体の湿度に影響する図3の依存性を示すものとした。
・H2は分離膜モジュールに備わる二酸化炭素分離膜を透過しないとした。
表1に示す条件の混合気体に対して分離膜モジュールにおける透過気体の圧力を変えた場合の、二酸化炭素の除去率(=100×透過気体の二酸化炭素流量/混合気体の二酸化炭素流量)が50%となる、残余混合気体(分離膜モジュールに備わる二酸化炭素分離膜を透過しなかった気体)と透過気体(分離膜モジュールに備わる二酸化炭素分離膜を透過した気体)との条件を計算した。具体的な計算手順は以下の通りである。
2.分離膜モジュールが備える二酸化炭素分離膜の二酸化炭素透過度として、与えた混合気体の湿度と1.で得られた残余混合気体の湿度と図3より、混合気体と残余混合気体とにおける二酸化炭素透過度を求め、それらの平均値を計算した。
3.分離膜モジュールの供給側と透過側とにおける気体のそれぞれに含まれる二酸化炭素の分圧から、膜透過の推進力となる分圧差を求めた。分離膜モジュール入口における二酸化炭素の分圧差は、二酸化炭素分離膜を透過した二酸化炭素はゼロであるため、与えた混合気体に含まれる二酸化炭素の分圧と等しいとした。一方、分離膜モジュール出口における二酸化炭素の分圧差は、1.で得られた残余混合気体と透過気体とのそれぞれに含まれる二酸化炭素の分圧の差とした。得られた分離膜モジュールの入口と出口とにおける二酸化炭素の分圧差から求めた平均値を、分離膜モジュールの二酸化炭素の分圧差とした。
4.2.で得られた分離膜モジュールの二酸化炭素透過度と3.で得られた二酸化炭素分圧差とから、下記式を用いて、分離膜モジュールの単位膜面積当たりの二酸化炭素の処理量(透過気体の二酸化炭素流量)を計算した。
分離膜モジュールの単位膜面積当たりの二酸化炭素の処理量[mol/s/m2]
= 分離膜モジュールの二酸化炭素透過度[mol/s/kPa/m2]
× 分離膜モジュールの二酸化炭素分圧差[kPa]
4 積層体
5 集ガス管
A 調整器(温湿度調整手段)
B 背圧調整器(圧力調整手段)
M 二酸化炭素分離膜モジュール
M1 スパイラル型二酸化炭素分離膜エレメント
41 二酸化炭素分離膜
42 供給側流路材
43 透過側流路材
44 供給口
45 排出口
52 排出口
Claims (8)
- 少なくとも二酸化炭素と水蒸気とを含む混合気体を、親水性樹脂と二酸化炭素キャリアとを含む二酸化炭素分離膜に供給する混合気体供給工程と、
前記二酸化炭素分離膜によって二酸化炭素を含む透過気体を前記混合気体から分離する二酸化炭素分離工程と、
前記二酸化炭素分離膜に供給される混合気体と前記二酸化炭素分離膜を透過した透過気体との温度差を0℃以上20℃以下の範囲となるように前記二酸化炭素分離膜と接する気体の温度を調整する温度調整工程と、
前記二酸化炭素分離膜を透過した透過気体の圧力を調整する圧力調整工程とを有する二酸化炭素の分離方法であって、
前記二酸化炭素分離膜に供給される混合気体が、温度50℃以上140℃以下の範囲および相対湿度50%RH以上100%RH以下の範囲であり、
前記二酸化炭素分離膜に供給される混合気体の水蒸気分圧と、前記二酸化炭素分離膜を透過した透過気体の圧力とが、下記式(1)及び式(2)を満たすことを特徴とする二酸化炭素分離方法。
2.5kPaA<(透過気体の圧力)<(混合気体の水蒸気分圧) ・・・(1)
(混合気体の水蒸気分圧)×0.61≦(透過気体の圧力)<(混合気体の水蒸気分圧)・・・(2) - 前記二酸化炭素分離膜を透過した透過気体の圧力が、圧力調整手段によって調整される請求項1に記載の二酸化炭素分離方法。
- 前記二酸化炭素分離膜を透過した透過気体の圧力が、透過気体の流路構造による圧力損失を利用することにより調整される請求項1に記載の二酸化炭素分離方法。
- 前記二酸化炭素分離膜と接する気体の温度が、温度調整手段によって調整される請求項1から3のいずれか記載の二酸化炭素分離方法。
- 請求項1から4のいずれか記載の二酸化炭素分離方法に用いる二酸化炭素分離装置であって、
親水性樹脂と二酸化炭素キャリアとを含む二酸化炭素分離膜により供給側と透過側とに隔てられた構造を有する1基以上の二酸化炭素分離膜モジュールと、
前記二酸化炭素分離膜モジュールが有する供給側入口に供給される混合気体と透過側出口から排出される透過気体から排出される透過気体との温度差を調整する温度調整手段と、
前記透過側出口から排出される透過気体の圧力を調整する圧力調整手段と、
前記二酸化炭素分離膜に供給される混合気体の温度および相対湿度を調整する温湿度調整手段と、
を備えることを特徴とする二酸化炭素分離装置。 - 前記二酸化炭素キャリアが、アルカリ金属炭酸塩、アルカリ金属重炭酸塩及びアルカリ金属水酸化物からなる群より選ばれる少なくとも一つの化合物である請求項5記載の二酸化炭素分離装置。
- 前記二酸化炭素キャリアが、炭酸セシウム及び水酸化セシウムの少なくとも一方を含ん
でいる請求項5または6記載の二酸化炭素分離装置。 - 前記二酸化炭素分離膜が、中空糸状、管状またはスパイラル状である請求項5から7のいずれか記載の二酸化炭素分離装置。
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015122650A JP6715575B2 (ja) | 2015-06-18 | 2015-06-18 | 二酸化炭素分離方法及び二酸化炭素分離装置 |
| CN202411291961.2A CN118987913A (zh) | 2015-06-18 | 2016-06-17 | 二氧化碳分离方法和二氧化碳分离装置 |
| TW105119144A TWI693095B (zh) | 2015-06-18 | 2016-06-17 | 二氧化碳分離方法及二氧化碳分離裝置 |
| PCT/JP2016/068127 WO2016204279A1 (ja) | 2015-06-18 | 2016-06-17 | 二酸化炭素分離方法及び二酸化炭素分離装置 |
| US15/736,599 US10245552B2 (en) | 2015-06-18 | 2016-06-17 | Method for separating carbon dioxide and apparatus for separating carbon dioxide |
| CN201680035639.0A CN107735157A (zh) | 2015-06-18 | 2016-06-17 | 二氧化碳分离方法和二氧化碳分离装置 |
| EP16811753.9A EP3311903B1 (en) | 2015-06-18 | 2016-06-17 | Method for separating carbon dioxide and apparatus for separating carbon dioxide |
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| JP6715575B2 true JP6715575B2 (ja) | 2020-07-01 |
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| CN106839511B (zh) * | 2017-01-06 | 2019-05-17 | 广西大学 | 一种热流逸式气体分离系统 |
| JP6877229B2 (ja) * | 2017-04-27 | 2021-05-26 | 川崎重工業株式会社 | 空気浄化システム |
| WO2019065493A1 (ja) * | 2017-09-29 | 2019-04-04 | 住友化学株式会社 | スパイラル型ガス分離膜エレメント、ガス分離膜モジュール、及びガス分離装置 |
| JP6633595B2 (ja) * | 2017-11-07 | 2020-01-22 | 住友化学株式会社 | ガス分離装置及びガス分離方法 |
| CN111699031B (zh) * | 2017-12-27 | 2022-10-28 | 株式会社新生能源研究 | Co2除去方法和装置 |
| WO2020045074A1 (ja) * | 2018-08-31 | 2020-03-05 | 住友化学株式会社 | 分離膜シート、分離膜エレメント、分離膜モジュール、及び、分離膜シートの製造方法 |
| DE112019004951T5 (de) | 2018-10-04 | 2021-06-17 | Ngk Insulators, Ltd. | Gastrennverfahren und Gasabscheider |
| MY205010A (en) * | 2019-01-29 | 2024-09-27 | Jgc Corp | Carbon dioxide gas separation method and carbon dioxide gas separation apparatus |
| JP6609386B1 (ja) * | 2019-02-05 | 2019-11-20 | 川崎重工業株式会社 | 空気浄化システム |
| CN111424306B (zh) * | 2020-04-13 | 2021-02-19 | 厦门通富微电子有限公司 | 一种气泡剥离装置及电镀液电镀系统 |
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| US5445669A (en) * | 1993-08-12 | 1995-08-29 | Sumitomo Electric Industries, Ltd. | Membrane for the separation of carbon dioxide |
| US5611843A (en) * | 1995-07-07 | 1997-03-18 | Exxon Research And Engineering Company | Membranes comprising salts of aminoacids in hydrophilic polymers |
| JP3999423B2 (ja) | 1999-10-27 | 2007-10-31 | 独立行政法人科学技術振興機構 | 液体膜による炭酸ガス分離・除湿方法およびその装置 |
| JP4965928B2 (ja) * | 2006-08-01 | 2012-07-04 | 株式会社ルネッサンス・エナジー・リサーチ | 二酸化炭素分離装置及び方法 |
| AU2009207025B2 (en) * | 2008-01-24 | 2012-05-17 | Renaissance Energy Research Corporation | CO2-facilitated transport membrane and manufacturing method for same |
| JP5443773B2 (ja) * | 2008-01-24 | 2014-03-19 | 株式会社ルネッサンス・エナジー・リサーチ | 二酸化炭素分離装置 |
| GB0901699D0 (en) * | 2009-02-02 | 2009-03-11 | Ntnu Technology Transfer As | gas seperation membrane |
| US20100209693A1 (en) * | 2009-02-18 | 2010-08-19 | 3M Innovative Properties Company | Hydrophilic porous substrates |
| CA2816688C (en) * | 2010-12-24 | 2016-05-03 | Renaissance Energy Research Corporation | Gas separation apparatus, membrane reactor, and hydrogen production apparatus |
| JP2013049042A (ja) * | 2011-01-12 | 2013-03-14 | Fujifilm Corp | 二酸化炭素分離膜形成用組成物、二酸化炭素分離膜及びその製造方法、並びに二酸化炭素分離装置 |
| JP5738704B2 (ja) | 2011-07-26 | 2015-06-24 | 富士フイルム株式会社 | 二酸化炭素分離装置および二酸化炭素分離方法 |
| WO2014001506A1 (de) * | 2012-06-28 | 2014-01-03 | Bwt Ag | Filter und verfahren zur ultrafiltration |
| JP5829227B2 (ja) * | 2012-09-28 | 2015-12-09 | 富士フイルム株式会社 | 酸性ガス分離モジュール、酸性ガス分離装置、及びテレスコープ防止板 |
| KR20150020597A (ko) * | 2012-10-02 | 2015-02-26 | 가부시키가이샤 르네상스 에너지 리서치 | Co2 촉진 수송막 및 그 제조 방법 그리고 co2 분리 방법 및 장치 |
| JP5990556B2 (ja) | 2013-07-30 | 2016-09-14 | 富士フイルム株式会社 | 酸性ガス分離用積層体および該積層体を備えた酸性ガス分離用モジュール |
| JP6267451B2 (ja) * | 2013-07-31 | 2018-01-24 | 住友化学株式会社 | ガス分離装置及びガス分離方法 |
| JP2017136546A (ja) * | 2016-02-03 | 2017-08-10 | 次世代型膜モジュール技術研究組合 | 二酸化炭素分離膜、及びその製造方法 |
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| EP3311903A4 (en) | 2019-03-13 |
| EP3311903C0 (en) | 2023-11-29 |
| EP3311903A1 (en) | 2018-04-25 |
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