JP5751595B2 - 溶剤処理方法 - Google Patents
溶剤処理方法 Download PDFInfo
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- JP5751595B2 JP5751595B2 JP2012553153A JP2012553153A JP5751595B2 JP 5751595 B2 JP5751595 B2 JP 5751595B2 JP 2012553153 A JP2012553153 A JP 2012553153A JP 2012553153 A JP2012553153 A JP 2012553153A JP 5751595 B2 JP5751595 B2 JP 5751595B2
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- solvent
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- amine
- stream
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Images
Classifications
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- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1425—Regeneration of liquid absorbents
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- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
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- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1456—Removing acid components
- B01D53/1475—Removing carbon dioxide
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/62—Carbon oxides
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/96—Regeneration, reactivation or recycling of reactants
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01D2252/20426—Secondary amines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2252/00—Absorbents, i.e. solvents and liquid materials for gas absorption
- B01D2252/20—Organic absorbents
- B01D2252/204—Amines
- B01D2252/20431—Tertiary amines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2252/00—Absorbents, i.e. solvents and liquid materials for gas absorption
- B01D2252/20—Organic absorbents
- B01D2252/204—Amines
- B01D2252/20436—Cyclic amines
- B01D2252/20447—Cyclic amines containing a piperazine-ring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/50—Carbon oxides
- B01D2257/504—Carbon dioxide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
- B01D2259/802—Visible light
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/40—Capture or disposal of greenhouse gases of CO2
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- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
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Description
ここで、R1R2NHはその自然の形態の典型的な捕捉アミンであり、R1R2NH2 +はアミンのプロトン付加された形態であり、R1R2NHCO2 −は、アミンのカルバメート誘導体(CO2と反応するアミンの直接生成物)であり、HCO3 −およびCO3 2−はそれぞれ重炭酸イオンおよび炭酸イオン(アミンによって触媒されたCO2捕捉の間接生成物)である。上の式(5)の左側のほうが非常に好ましく、炭酸イオンは有機アミンの捕捉化学に小さな役割しか果たさない。重炭酸塩を形成するためのCO2とOH−イオンとの間の直接反応は緩慢であるが、CO2捕捉へのこの経路は、CO2分子との直接結合を形成することができない第三アミンのためには重要である。
(i)CO2含有ガス流をアミン系CO2捕捉溶剤と接触させる工程と、
(ii)アミン系CO2捕捉溶剤に190〜450nmの範囲にわたる伝送帯域波長を有する光を照射する工程と
を含む、CO2をCO2含有ガス流から捕捉する方法を提供する。
(ii)接触用容器、ガス出口流または溶剤出口流の少なくとも1つにおいて溶剤へ照射するように構成され、190〜450nmの範囲にわたる伝送帯域を有する光源と
を含む、CO2をCO2含有ガス流から捕捉する装置。
これらの実験の目的は、N−ニトロソピペラジンを燃焼後捕捉液から除去するための軽減方法を調べることである。実際の実験においてN−ニトロソピペラジンの定量化のために上述の方法の適用を行う前に、いくつかのパラメータが本クロマトグラフ条件のために設定された。
Claims (20)
- CO2含有ガス流と接触させたアミン系CO2捕捉溶剤を処理する方法において、前記アミン系CO2捕捉溶剤に190〜450nmの範囲にわたる伝送帯域波長を有する光を照射する工程を含むことを特徴とする方法。
- CO2をCO2含有ガス流から捕捉する方法において、
CO2含有ガス流をアミン系CO2捕捉溶剤と接触させる工程と、
前記アミン系CO2捕捉溶剤に190〜450nmの範囲にわたる伝送帯域波長を有する光を照射する工程とを含むことを特徴とする方法。 - 請求項1または2に記載の方法において、前記CO2捕捉溶剤が気相または液相中にあることを特徴とする方法。
- 請求項1または2に記載の方法において、前記光が、220〜450nmの範囲にわたる伝送帯域波長を有することを特徴とする方法。
- 請求項1または2に記載の方法において、前記光が、220〜380nmの前記帯域波長において伝送されることを特徴とする方法。
- 請求項1または2に記載の方法において、照射光が、320〜380nmおよび220〜280nmの領域の伝送帯域波長を有することを特徴とする方法。
- 請求項1または2に記載の方法において、前記照射光が、330〜360nmおよび230〜250nmの領域の伝送帯域波長を有することを特徴とする方法。
- 請求項1または2に記載の方法において、最大の中心放射照度が220〜260nmおよび320〜370nmの波長において生じることを特徴とする方法。
- 請求項6、7または8の何れか1項に記載の方法において、前記照射光が、異なった伝送帯域幅にわたる光を伝送する2つの光源から提供されることを特徴とする方法。
- 請求項1または2に記載の方法において、前記光が、連続モード運転において1×10−6W/cm2超またはパルス化またはフラッシュモード運転において100×10−6W/cm2超の紫外線中心分光放射照度を有することを特徴とする方法。
- 請求項1または2に記載の方法において、前記溶剤が8以上のpHを有することを特徴とする方法。
- 請求項1または2に記載の方法において、前記溶剤が、MEA(モノエタノールアミン)、DEA(ジエタノールアミン)、AMP(2−アミノ−2−メチルプロパノール)、MDEA(メチルジエタノールアミン)およびPIPA(ピペラジン)、メチルジエタノールアミン(MDEA)、ジグリコールアミン(DGA)、およびジ−イソプロパノールアミン(DIPA)、およびそれらのブレンドの群から選択された少なくとも1つであることを特徴とする方法。
- 請求項1または2に記載の方法において、前記アミン系CO2捕捉溶剤とCO2との間の接触が、炭素原子に直接に共有結合した−NO、−NNO、NNO2または−NO3基を有するC、N、O原子を含有する分子の群から選択された分子を生じさせることを特徴とする方法。
- 請求項13に記載の方法において、前記分子が、前記CO2捕捉溶剤として使用された第一、第二または第三アミンのニトロアミン、Nを中心とした有機酸化物、ニトロソアミン、または有機硝酸塩誘導体であることを特徴とする方法。
- CO2をCO2含有ガス流から捕捉する装置において、
CO2含有ガス流をアミン系CO2捕捉溶剤と接触させるための液体ガス接触用容器であって、処理されたCO2含有ガス流のためのガス出口流と溶剤出口流とを有する容器と、
前記接触用容器、ガス出口流または溶剤出口流の少なくとも1つにおいて溶剤へ照射するように構成され、190〜450nmの範囲にわたる伝送帯域を有する光源と
を含むことを特徴とする装置。 - 請求項15に記載の装置において、前記光が、220〜450nmの範囲にわたる伝送帯域波長を有することを特徴とする装置。
- 請求項15に記載の装置において、前記光源から照射された光が、前記接触用容器、溶剤出口流、またはガス出口流において燃焼後CO2捕捉溶剤上に入射することを特徴とする装置。
- 請求項15に記載の装置において、前記溶剤を通過する前記光の2つ以上の通路を提供するための紫外線導光器をさらに含むことを特徴とする装置。
- 請求項15に記載の装置において、前記光源が220〜380nmの前記帯域波長の光を伝送するように構成されることを特徴とする装置。
- 請求項15に記載の装置において、前記溶剤が8以上のpHを有することを特徴とする装置。
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AU2010900664A AU2010900664A0 (en) | 2010-02-19 | Device for the ultra-violet photolytic destruction of nitroxides, nitramines, nitrosamines and organic nitrates formed in and above post-combustion capture CO2 solvents | |
AU2010900664 | 2010-02-19 | ||
PCT/AU2011/000175 WO2011100801A1 (en) | 2010-02-19 | 2011-02-18 | Solvent treatment process |
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DE102011000268B4 (de) * | 2011-01-21 | 2012-12-06 | Thyssenkrupp Uhde Gmbh | Verfahren und Vorrichtung zur Reduzierung von Nitrosaminen, die sich bei einer CO2-Entfernung von Rauchgasen mittels einer wässrigen Aminlösung bilden |
EP2481466A1 (de) * | 2011-01-31 | 2012-08-01 | Siemens Aktiengesellschaft | Vorrichtung und Verfahren zum Aufreinigen eines mit Nitrosamin verunreinigten Produktes einer Prozessanlage |
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EP2559473A1 (de) * | 2011-08-18 | 2013-02-20 | Siemens Aktiengesellschaft | Verfahren und Vorrichtung zum Aufreinigen eines mit Nitrosamin verunreinigten Produktes einer Prozessanlage |
CN104144736A (zh) * | 2011-09-23 | 2014-11-12 | 陶氏环球技术有限责任公司 | 降低胺组合物的亚硝胺含量 |
US8414852B1 (en) * | 2011-11-21 | 2013-04-09 | Fluor Technologies Corporation | Prevention of nitro-amine formation in carbon dioxide absorption processes |
WO2013106831A1 (en) * | 2012-01-12 | 2013-07-18 | Board Of Regents, The University Of Texas System | Thermal destruction of nitrosamine in co2 capture |
AU2013239292B2 (en) * | 2012-03-29 | 2017-08-31 | Delta Cleantech Inc. | System and process for reclaiming single and mixed amine solvents |
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EP3148678A4 (en) * | 2014-06-02 | 2018-04-25 | Board of Regents, The University of Texas System | Thermally stable amines for co2 capture |
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AU2011203154B1 (en) | 2011-09-08 |
CA2789342A1 (en) | 2011-08-25 |
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US20130053614A1 (en) | 2013-02-28 |
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Free format text: JAPANESE INTERMEDIATE CODE: R250 |
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LAPS | Cancellation because of no payment of annual fees |