JP2005538841A - 酸性ガスを除去するための構成および方法 - Google Patents
酸性ガスを除去するための構成および方法 Download PDFInfo
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- JP2005538841A JP2005538841A JP2004538126A JP2004538126A JP2005538841A JP 2005538841 A JP2005538841 A JP 2005538841A JP 2004538126 A JP2004538126 A JP 2004538126A JP 2004538126 A JP2004538126 A JP 2004538126A JP 2005538841 A JP2005538841 A JP 2005538841A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- 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
- B01D53/14—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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- 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
- B01D53/14—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
- B01D53/1468—Removing hydrogen sulfide
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/65—Employing advanced heat integration, e.g. Pinch technology
- B01D2259/652—Employing advanced heat integration, e.g. Pinch technology using side coolers
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- 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
Abstract
Description
Claims (22)
- 少なくとも400psigの圧力で、かつ、少なくとも5モル%の二酸化炭素を含む供給ガスを受け入れる吸着塔を備えるプラントであって、吸着塔は、等熱勾配でまたは上から下へ減少する熱勾配で動作し、吸着塔は、供給ガスから酸性ガスを少なくとも部分的に除去するために、物理溶剤を採用するプラント。
- 吸着塔は、セミリッチソルベントおよびリッチソルベントを生成し、セミリッチソルベントは、少なくとも部分的に膨張したリッチソルベントによって冷却される請求項1に記載のプラント。
- 吸着塔は、少なくとも2つの工程で膨張するリッチソルベントを生成し、1つの工程での膨張は仕事を生成し、別の工程での膨張は、吸着塔によって生成されたセミリッチソルベントと二酸化炭素生成物の少なくとも一方のための冷凍作用を提供する請求項1に記載のプラント。
- 吸着塔は、少なくとも3つの工程で膨張するリッチソルベントを生成し、少なくとも3つの工程での膨張は少なくとも3つの再利用ストリームを生成し、少なくとも3つの再利用ストリームは吸着塔内に供給される請求項1に記載のプラント。
- 少なくとも3つの再利用ストリームは、圧縮されて、圧縮された再利用ストリームを形成し、圧縮された再利用ストリームのジュール−トムソン冷却によって、さらなる冷凍作用が提供される請求項4に記載のプラント。
- 供給ガスは、少なくとも部分的に膨張したリッチソルベントによって冷却される請求項1に記載のプラント。
- 供給ガスはさらに、吸着塔頭上生成物によって冷却される請求項6に記載のプラント。
- 酸性ガスの少なくとも一部は、約1psia〜10psiaの圧力で、物理溶剤から除去される請求項1に記載のプラント。
- 供給ガスは、約400psig〜約3000psigの圧力を有し、供給ガスは少なくとも部分的に脱水される請求項1に記載のプラント。
- 供給ガスは、約10モル%〜約75モル%の酸性ガス含有量を有する請求項1に記載のプラント。
- 供給ガスは天然ガスを含む請求項1に記載のプラント。
- 吸着塔は、約−25°F〜約−45°Fの下部温度で動作する請求項1に記載のプラント。
- 吸着塔は、膨張して、二酸化炭素生成物に冷凍作用を提供するリッチソルベントを生成する請求項1に記載のプラント。
- 供給ガスは少なくとも1000psigの圧力を有し、供給ガス内の酸性ガスの少なくとも一部は、膜分離器を使用して供給ガスから除去される請求項1に記載のプラント。
- プラントであって、
少なくとも5モル%の酸性ガスを含み、かつ、少なくとも400psigの圧力を有する天然ガスを受け入れる吸着塔と、
吸着塔内で酸性ガスの少なくとも一部分を吸着して、セミリッチソルベントを形成する物理溶剤と、
吸着塔に流体連結し、セミリッチソルベントを受け入れ冷却し、冷却されたセミリッチソルベントを吸着塔に戻すクーラであって、冷却されたセミリッチソルベントはさらに、酸性ガスの少なくとも別の部分を吸着して、リッチソルベントを形成する、クーラとを備え、
天然ガスおよびセミリッチソルベントは、リッチソルベントの膨張によって少なくとも部分的に冷却されるプラント。 - 天然ガスおよびセミリッチソルベントの冷却は、吸着塔内で、等熱勾配または上から下への減少する熱勾配を提供する請求項15に記載のプラント。
- リッチソルベントの膨張は、少なくとも1つの炭化水素を含有する再利用ストリームを提供し、少なくとも1つの炭化水素を含有する再利用ストリームは吸着塔にフィードバックされる請求項15に記載のプラント。
- 少なくとも1つの再利用ストリームは、圧縮されて、圧縮再利用ストリームを形成し、圧縮された再利用ストリームのジュール−トムソン冷却によって、さらなる冷凍作用が提供される請求項17に記載のプラント。
- リッチソルベントのさらなる膨張は、溶剤から酸性ガスの少なくともある部分を遊離させ、約1psia〜約10psiaの圧力でのさらなる真空ストリッピングがリーンソルベントを生成する請求項17に記載のプラント。
- 天然ガスは少なくとも1000psigの圧力を有し、天然ガス内の酸性ガスの少なくともある部分は、膜分離器を使用して天然ガスから除去される請求項15に記載のプラント。
- 炭化水素液体ストリームは、再利用ガスクーラの吐出部で形成され、炭化水素液体ストリームは、再利用ガスの量を減らしながら、液体生成物として回収することができる請求項1に記載のプラント。
- 炭化水素液体ストリームは、再利用ガスクーラの吐出部で形成され、炭化水素液体ストリームは、再利用ガスの量を減らしながら、液体生成物として回収することができる請求項17に記載のプラント。
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PCT/US2002/029810 WO2004026441A1 (en) | 2002-09-17 | 2002-09-17 | Configurations and methods of acid gas removal |
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JP2005538841A true JP2005538841A (ja) | 2005-12-22 |
JP2005538841A5 JP2005538841A5 (ja) | 2009-05-07 |
JP4673624B2 JP4673624B2 (ja) | 2011-04-20 |
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US (1) | US7424808B2 (ja) |
EP (1) | EP1539329B1 (ja) |
JP (1) | JP4673624B2 (ja) |
CN (1) | CN1331563C (ja) |
AT (1) | ATE473796T1 (ja) |
AU (1) | AU2002325051B2 (ja) |
CA (1) | CA2498195C (ja) |
DE (1) | DE60237046D1 (ja) |
WO (1) | WO2004026441A1 (ja) |
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JP2014200774A (ja) * | 2013-04-09 | 2014-10-27 | 株式会社東芝 | 二酸化炭素回収システムおよびその運転方法 |
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Also Published As
Publication number | Publication date |
---|---|
EP1539329A4 (en) | 2007-02-28 |
ATE473796T1 (de) | 2010-07-15 |
WO2004026441A1 (en) | 2004-04-01 |
CN1668364A (zh) | 2005-09-14 |
CA2498195A1 (en) | 2004-04-01 |
US20060110300A1 (en) | 2006-05-25 |
EP1539329B1 (en) | 2010-07-14 |
CA2498195C (en) | 2010-01-26 |
AU2002325051B2 (en) | 2007-03-15 |
JP4673624B2 (ja) | 2011-04-20 |
CN1331563C (zh) | 2007-08-15 |
DE60237046D1 (de) | 2010-08-26 |
US7424808B2 (en) | 2008-09-16 |
AU2002325051A1 (en) | 2004-04-08 |
EP1539329A1 (en) | 2005-06-15 |
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