JP5909227B2 - 炭化水素ガスの処理 - Google Patents
炭化水素ガスの処理 Download PDFInfo
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- JP5909227B2 JP5909227B2 JP2013513249A JP2013513249A JP5909227B2 JP 5909227 B2 JP5909227 B2 JP 5909227B2 JP 2013513249 A JP2013513249 A JP 2013513249A JP 2013513249 A JP2013513249 A JP 2013513249A JP 5909227 B2 JP5909227 B2 JP 5909227B2
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Description
他の実施形態
Claims (6)
- 少なくともメタンおよび二酸化炭素を含有するガスストリームを、前記メタンの大部分を含有する揮発性の残存ガス留分と、前記二酸化炭素の大部分を含有する比較的に揮発性のより少ない留分とに分離するためのプロセスであって:
(1)前記ガスストリームが冷却されることにより、冷却されたストリームを形成し;
(2)前記冷却されたストリームが、さらに冷却される中間圧力まで膨張し;
(3)前記膨張した冷却されたストリームが上部フィードとして蒸留カラムに供給され、頂部蒸気ストリームと前記比較的に揮発性のより少ない留分とに分留され;
(4)前記頂部蒸気ストリームが高圧まで圧縮され;
(5)前記圧縮された頂部蒸気ストリームが十分に冷却されて少なくともその一部を凝縮することにより、残存蒸気ストリームと凝縮されたストリームとを形成し;
(6)前記凝縮されたストリームが前記中間圧力まで膨張して加熱され、その後、中間カラム供給位置で前記蒸留カラムに供給され;
(7)前記比較的に揮発性のより少ない留分が、少なくとも第1および第2ストリームに分割され;
(8)前記第2ストリームが冷却されることにより、ステップ(6)の少なくとも加熱の一部を供給し;
(9)前記冷却された第2ストリームが、さらに冷却されるより低い圧力まで膨張し;
(10)前記膨張した冷却された第2ストリームが加熱されることにより、ステップ(5)の少なくとも冷却部分を供給し;
(11)前記残存蒸気ストリームが加熱されることにより、ステップ(1)〜(5)の少なくとも冷却部分を供給し、その後、前記加熱された残存蒸気ストリームを前記揮発性の残存ガス留分として排出し;
(12)前記蒸留カラムへの前記フィードストリームの量および温度が、前記二酸化炭素の大部分が前記比較的に揮発性のより少ない留分中で回収される温度で前記蒸留カラムの頂部温度を維持するのに有効である、プロセス。 - 少なくともメタンおよび二酸化炭素を含有するガスストリームを、前記メタンの大部分を含有する揮発性の残存ガス留分と、前記二酸化炭素の大部分を含有する比較的に揮発性のより少ない留分とに分離するためのプロセスであって:
(1)前記ガスストリームが十分に冷却されることにより、部分的に凝縮し;
(2)前記部分的に凝縮されたガスストリームが分離されることにより、蒸気ストリームと少なくとも1種の液体ストリームとを付与し;
(3)前記蒸気ストリームが中間圧力まで膨張し;
(4)前記膨張した蒸気ストリームが上部フィードとして蒸留カラムに供給されて、頂部蒸気ストリームと前記比較的に揮発性のより少ない留分とに分留され;
(5)前記少なくとも1種の液体ストリームが前記中間圧力まで膨張し、その後、上方の中間カラム供給位置で前記蒸留カラムに供給され;
(6)前記頂部蒸気ストリームが高圧まで圧縮され;
(7)前記圧縮された頂部蒸気ストリームが十分に冷却されて少なくともその一部を凝縮することにより、残存蒸気ストリームと凝縮されたストリームとを形成し;
(8)前記凝縮されたストリームが前記中間圧力まで膨張して加熱され、その後、前記上方の中間カラム供給位置より低い下方の中間カラム供給位置で前記蒸留カラムに供給され;
(9)前記比較的に揮発性のより少ない留分が、少なくとも第1および第2ストリームに分割され;
(10)前記第2ストリームが冷却されることにより、ステップ(8)の少なくとも加熱の一部を供給し;
(11)前記冷却された第2ストリームが、さらに冷却されるより低い圧力まで膨張し;
(12)前記膨張した冷却された第2ストリームが加熱されることにより、ステップ(7)の少なくとも冷却部分を供給し;
(13)前記残存蒸気ストリームが加熱されることにより、ステップ(1)〜(7)の少なくとも冷却部分を供給し、その後、前記加熱された残存蒸気ストリームを前記揮発性の残存ガス留分として排出し;
(14)前記蒸留カラムへの前記フィードストリームの量および温度が、前記二酸化炭素の大部分が前記比較的に揮発性のより少ない留分中で回収される温度で前記蒸留カラムの頂部温度を維持するのに有効である、プロセス。 - 少なくともメタンおよび二酸化炭素を含有するガスストリームを、前記メタンの大部分を含有する揮発性の残存ガス留分と、前記二酸化炭素の大部分を含有する比較的に揮発性のより少ない留分とに分離するための装置であって:
(1)前記ガスストリームを冷却することにより、冷却されたストリームを形成する第1熱交換手段と;
(2)前記第1熱交換手段に接続されて前記冷却されたストリームを収容し、これを中間圧力まで膨張する第1膨張手段と;
(3)前記第1膨張手段に接続されて前記膨張した冷却されたストリームを上部フィードとして収容する蒸留カラムにおいて、前記膨張した冷却されたストリームを前記中間圧力で頂部蒸気ストリームと前記比較的に揮発性のより少ない留分とに分留するように適合されている前記蒸留カラムと;
(4)前記蒸留カラムに接続されて前記頂部蒸気ストリームを収容し、これをより高い圧力まで圧縮する圧縮手段と;
(5)前記圧縮手段に接続されて前記圧縮された頂部蒸気ストリームを収容し、これを十分に冷却してその一部を凝縮する第2熱交換手段と;
(6)前記第2熱交換手段に接続されて前記部分的に凝縮された圧縮された頂部蒸気ストリームを収容してこれを分離することにより、残存蒸気ストリームと凝縮されたストリームとを形成する分離手段と;
(7)前記分離手段に接続されて前記凝縮されたストリームを収容し、これを前記中間圧力まで膨張する第2膨張手段と;
(8)前記第2膨張手段に接続されて前記膨張した凝縮されたストリームを収容してこれを加熱する第3熱交換手段において、前記蒸留カラムにさらに接続されて前記加熱された膨張した凝縮されたストリームを前記蒸留カラムに中間カラム供給位置で供給する前記第3熱交換手段と;
(9)前記蒸留カラムに接続されて前記比較的に揮発性のより少ない留分を収容し、これを少なくとも第1および第2ストリームに分割する分割手段と;
(10)前記分割手段にさらに接続されて前記第2ストリームを収容し、これを冷却することによりステップ(8)の少なくとも加熱の一部を供給する前記第3熱交換手段と;
(11)前記第3熱交換手段に接続されて前記冷却された第2ストリームを収容し、これをより低い圧力まで膨張する第3膨張手段と;
(12)前記第3膨張手段にさらに接続されて前記膨張した冷却された第2ストリームを収容し、これを加熱することによりステップ(5)の少なくとも冷却部分を供給する前記第2熱交換手段と;
(13)前記分離手段にさらに接続されて前記残存蒸気ストリームを収容し、これを加熱することにより、ステップ(5)の少なくとも冷却部分を供給する前記第2熱交換手段と;
(14)前記第2熱交換手段にさらに接続されて前記加熱された残存蒸気ストリームを収容し、これをさらに加熱することによりステップ(1)の少なくとも冷却部分を供給し、その後、前記さらに加熱された残存蒸気ストリームを前記揮発性の残存ガス留分として排出する前記第1熱交換手段と;
(15)前記蒸留カラムへの前記フィードストリームの量および温度を調整して、前記二酸化炭素の大部分が前記比較的に揮発性のより少ない留分において回収される温度で前記蒸留カラムの頂部温度を維持するように適合されている制御手段と
を含む装置。 - 少なくともメタンおよび二酸化炭素を含有するガスストリームを、前記メタンの大部分を含有する揮発性の残存ガス留分と、前記二酸化炭素の大部分を含有する比較的に揮発性のより少ない留分とに分離するための装置であって:
(1)前記ガスストリームを十分に冷却して部分的に凝縮することにより、部分的に凝縮されたガスストリームを形成する第1熱交換手段と;
(2)前記第1熱交換手段に接続されて前記部分的に凝縮されたガスストリームを収容し、これを蒸気ストリームと少なくとも1種の液体ストリームとに分離する第1分離手段と;
(3)前記第1分離手段に接続されて前記蒸気ストリームを収容し、これを中間圧力まで膨張する第1膨張手段と;
(4)前記第1膨張手段に接続されて前記膨張した蒸気ストリームを上部フィードとして収容する蒸留カラムにおいて、前記膨張した蒸気ストリームを前記中間圧力で頂部蒸気ストリームと前記比較的に揮発性のより少ない留分とに分留するように適合されている前記蒸留カラムと;
(5)前記第1分離手段に接続されて前記少なくとも1種の液体ストリームを収容し、これを前記中間圧力まで膨張する第2膨張手段において、前記蒸留カラムにさらに接続されて前記膨張した少なくとも1種の液体ストリームを前記蒸留カラムに上方の中間カラム供給位置で供給する前記第2膨張手段と;
(6)前記蒸留カラムに接続されて前記頂部蒸気ストリームを収容し、これをより高い圧力まで圧縮する圧縮手段と;
(7)前記圧縮手段に接続されて前記圧縮された頂部蒸気ストリームを収容し、これを十分に冷却して少なくともその一部を凝縮する第2熱交換手段と;
(8)前記第2熱交換手段に接続されて前記部分的に凝縮された圧縮された頂部蒸気ストリームを収容してこれを分離することにより、残存蒸気ストリームと凝縮されたストリームとを形成する第2分離手段と;
(9)前記第2分離手段に接続されて前記凝縮されたストリームを収容し、これを前記中間圧力まで膨張する第3膨張手段と;
(10)前記第3膨張手段に接続されて前記膨張した凝縮されたストリームを収容しこれを加熱する第3熱交換手段において、前記蒸留カラムにさらに接続されて、前記加熱された膨張した凝縮されたストリームを前記蒸留カラムに前記上方の中間カラム供給位置より低い下方の中間カラム供給位置で供給する前記第3熱交換手段と;
(11)前記蒸留カラムに接続されて前記比較的に揮発性のより少ない留分を収容し、これを少なくとも第1および第2ストリームに分割する分割手段と;
(12)前記分割手段にさらに接続されて前記第2ストリームを収容し、これを冷却することにより、ステップ(10)の少なくとも加熱の一部を供給する前記第3熱交換手段と;
(13)前記第3熱交換手段に接続されて前記冷却された第2ストリームを収容し、これをより低い圧力まで膨張する第4膨張手段と;
(14)前記第4膨張手段にさらに接続されて前記膨張した冷却された第2ストリームを収容し、これを加熱することによりステップ(7)の少なくとも冷却部分を供給する前記第2熱交換手段と;
(15)前記第2分離手段にさらに接続されて前記残存蒸気ストリームを収容し、これを加熱することによりステップ(7)の少なくとも冷却部分を供給する前記第2熱交換手段と;
(16)前記第2熱交換手段にさらに接続されて前記加熱された残存蒸気ストリームを収容し、これをさらに加熱することによりステップ(1)の少なくとも冷却部分を供給し、その後、前記さらに加熱された残存蒸気ストリームを前記揮発性の残存ガス留分として排出する前記第1熱交換手段と;
(17)前記蒸留カラムへの前記フィードストリームの量および温度を調整して、前記二酸化炭素の大部分が前記比較的に揮発性のより少ない留分において回収される温度で前記蒸留カラムの頂部温度を維持するように適合されている制御手段と
を含む装置。 - 前記第1熱交換手段が、前記第3熱交換手段にさらに接続されて前記加熱された膨張した凝縮されたストリームを収容し、さらにこれを加熱することにより、ステップ(1)の少なくとも冷却部分を供給し、ここで、前記第1熱交換手段が、前記蒸留カラムにさらに接続されていて、前記さらに加熱された膨張した凝縮されたストリームを前記蒸留カラムに前記中間カラム供給位置で供給する、請求項3に記載の装置。
- 前記第1熱交換手段が、前記第3熱交換手段にさらに接続されて前記加熱された膨張した凝縮されたストリームを収容し、さらにこれを加熱することにより、ステップ(1)の少なくとも冷却部分を供給し、ここで、前記第1熱交換手段が、前記蒸留カラムにさらに接続されていて、前記さらに加熱された膨張した凝縮されたストリームを前記蒸留カラムに前記下方の中間カラム供給位置で供給する、請求項4に記載の装置。
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- 2011-05-27 KR KR1020127033258A patent/KR101666254B1/ko active IP Right Grant
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TW201143869A (en) | 2011-12-16 |
ZA201209179B (en) | 2013-08-28 |
EP2575996A4 (en) | 2015-06-10 |
EP2575996A1 (en) | 2013-04-10 |
JP2013532270A (ja) | 2013-08-15 |
KR101666254B1 (ko) | 2016-10-13 |
CA2800699A1 (en) | 2011-12-08 |
CA2800699C (en) | 2016-01-19 |
AU2011261670B2 (en) | 2014-08-21 |
RU2012157726A (ru) | 2014-07-20 |
US8667812B2 (en) | 2014-03-11 |
WO2011153087A1 (en) | 2011-12-08 |
KR20130113956A (ko) | 2013-10-16 |
US20110296867A1 (en) | 2011-12-08 |
CN102933273A (zh) | 2013-02-13 |
CN102933273B (zh) | 2015-05-13 |
AU2011261670A1 (en) | 2013-01-10 |
MY160789A (en) | 2017-03-15 |
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