JP2013517450A5 - - Google Patents

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JP2013517450A5
JP2013517450A5 JP2012548951A JP2012548951A JP2013517450A5 JP 2013517450 A5 JP2013517450 A5 JP 2013517450A5 JP 2012548951 A JP2012548951 A JP 2012548951A JP 2012548951 A JP2012548951 A JP 2012548951A JP 2013517450 A5 JP2013517450 A5 JP 2013517450A5
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JP5798127B2 (ja
JP2013517450A (ja
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Claims (6)

  1. メタン及びより高揮発性の成分、C成分、C成分及びより重質の炭化水素成分を含有するガスストリームを、揮発性の残留ガス留分と、前記C成分、C成分及びより重質の炭化水素成分の大部分を含有する相対的に低揮発性の留分とに分離するための方法であって、
    (A)前記ガスストリームを加圧下で冷却して、冷却したストリームを供給し;
    (B)前記冷却したストリームをより低圧力に膨張させることで、それをさらに冷却し;そして、
    (C)前記さらに冷却されたストリームを第1蒸留塔に送り、前記低圧力で分留することによって、前記相対的に低揮発性の留分の成分を回収する;
    ことを含む方法において、
    (1)前記さらに冷却され膨張したストリームは、前記第1蒸留塔に、塔中間部供給位置から送られ;
    (2)蒸留液ストリームが、前記第1蒸留塔の前記塔中間部供給位置の下方にある領域から取り出され;
    (3)前記蒸留液ストリームは、加熱され、その後、第2蒸留塔に送られ、頂部蒸気ストリームと底部液ストリームに分留され;
    (4)前記頂部蒸気ストリームは、冷却され、実質的にすべて凝縮することで、凝縮ストリームを形成し;
    (5)前記凝縮ストリームは、第1部分と第2部分に分けられ、前記第1部分は前記第2蒸留塔に最上部供給位置から送られ;
    (6)前記第2部分は、前記蒸留液ストリームが前記第1蒸留塔から取り出される前記領域の下方にある塔下部供給位置から前記第1蒸留塔に送られ;
    (7)前記底部液ストリームは、冷却され、それにより工程(3)の加熱作業の少なくとも一部を提供し;
    (8)前記冷却された底部液ストリームは、前記第1蒸留塔に最上部供給位置から送られ;
    (9)前記第2蒸留塔に向かう前記フィードストリームの量と温度は、前記第2蒸留塔の頂部温度を、前記頂部蒸気ストリームがC炭化水素成分及びより高揮発性の成分を主とし、前記底部液ストリームがC−C炭化水素成分を主とするような温度に維持することに有効であり;そして、
    (10)前記第1蒸留塔に向かう前記フィードストリームの量と温度は、前記第1蒸留塔の頂部温度を、前記相対的に低揮発性の留分中の成分の大部分が回収される温度に維持することに有効である、
    点で改良された方法
  2. 前記ガスストリームが、部分的に凝縮されるために十分に冷却され、
    (a)前記部分的に凝縮したガスストリームを分離し、それにより蒸気ストリームと少なくとも1つの液体ストリームを供給し;
    (b)前記蒸気ストリームは、前記低圧力に膨張され、前記第1蒸留塔に前記塔中間部供給位置から供給され;
    (c)前記少なくとも1つの液体ストリームの少なくとも一部は、前記低圧力に膨張され、前記第1蒸留塔に、前記塔中間部供給位置の下方にある別の塔中間下部の供給位置から供給され;
    (d)前記蒸留液ストリームが、前記第1蒸留塔の前記塔中間部供給位置の下方であって別の前記塔中間下部供給位置の上方にある領域から取り出される、
    請求項1に記載の方法。
  3. 前記冷却ストリームが、第1および第2ストリームに分けられ、
    (a)前記第2ストリームは、前記低圧力に膨張され、前記第1蒸留塔に前記塔中間部供給位置から供給され;
    (b)前記第1ストリームは、中間圧力に膨張され、その後、合流ストリームを形成するために前記冷却された底部液ストリームと合流し、
    (c)前記合流ストリームは、冷却され、その後、前記低圧で膨張され、
    (d)前記冷却され膨張した合流ストリームは、前記第1蒸留塔に前記最上部供給位置から送られる、
    請求項1に記載の方法。
  4. (a)前記蒸気ストリームは、第1および第2ストリームへと分けられ;
    (b)前記第2ストリームは、前記低圧力に膨張され、前記第1蒸留塔に前記塔中間部供給位置から供給され;
    (c)前記第1ストリームは、中間圧力に膨張され、その後、前記冷却された底部液ストリームと合流し、合流ストリームを形成し;
    (d)前記合流ストリームは、冷却され、その後、前記低圧力に膨張され;
    (e)前記冷却され膨張した合流ストリームは、前記第1蒸留塔に前記最上部供給位置から送られる、
    請求項2に記載の方法。
  5. 前記少なくとも1つの液体ストリームの前記膨張した少なくとも一部は、加熱され、その後、前記塔中間部供給位置の下方にある別の前記塔中間下部供給位置から前記第1蒸留塔に供給される、請求項2または4に記載の方法。
  6. (a)前記頂部蒸気ストリームは、十分に冷却されて部分的に凝縮し;
    (b)前記部分的に凝縮した頂部蒸気ストリームは、分離され、それにより残留蒸気ストリームと前記凝縮したストリームを供給し;そして、
    (c)前記残留蒸気ストリームは、前記第1蒸留塔から前記蒸留液ストリームを取り出す前記領域の下方にあるさらなる塔下部供給位置から、前記第1蒸留塔に送られる、請求項1、2、3、4または5に記載の方法。
JP2012548951A 2010-01-14 2010-12-29 炭化水素ガスの処理 Expired - Fee Related JP5798127B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US29511910P 2010-01-14 2010-01-14
US61/295,119 2010-01-14
US12/979,563 2010-12-28
US12/979,563 US9021832B2 (en) 2010-01-14 2010-12-28 Hydrocarbon gas processing
PCT/US2010/062402 WO2011087884A1 (en) 2010-01-14 2010-12-29 Hydrocarbon gas processing

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JP2013517450A JP2013517450A (ja) 2013-05-16
JP2013517450A5 true JP2013517450A5 (ja) 2014-02-20
JP5798127B2 JP5798127B2 (ja) 2015-10-21

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EP (1) EP2524181A1 (ja)
JP (1) JP5798127B2 (ja)
KR (1) KR101660082B1 (ja)
CN (1) CN102741634B (ja)
AR (1) AR079908A1 (ja)
AU (1) AU2010341438B2 (ja)
BR (1) BR112012017390A2 (ja)
CA (1) CA2786487C (ja)
CL (1) CL2012001837A1 (ja)
CO (1) CO6571915A2 (ja)
EA (1) EA021836B1 (ja)
MX (1) MX2012008087A (ja)
MY (1) MY158951A (ja)
NZ (1) NZ601500A (ja)
PE (1) PE20130058A1 (ja)
SA (1) SA111320085B1 (ja)
SG (1) SG182389A1 (ja)
UA (1) UA109428C2 (ja)
WO (1) WO2011087884A1 (ja)
ZA (1) ZA201205795B (ja)

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