KR100951924B1 - 액체 천연 가스 처리 - Google Patents
액체 천연 가스 처리 Download PDFInfo
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- KR100951924B1 KR100951924B1 KR1020087004041A KR20087004041A KR100951924B1 KR 100951924 B1 KR100951924 B1 KR 100951924B1 KR 1020087004041 A KR1020087004041 A KR 1020087004041A KR 20087004041 A KR20087004041 A KR 20087004041A KR 100951924 B1 KR100951924 B1 KR 100951924B1
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- lng
- separator
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- methane
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- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
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- F25J3/0204—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the feed stream
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- F25J3/064—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by partial condensation characterised by the separated product stream separation of CnHm with 2 carbon atoms or more
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Abstract
Description
Claims (3)
- a) 액체, 저압 LNG를 100 psia보다 큰 압력으로 펌핑하는 단계;b) 단계 a)로부터의 가압된 액체 LNG를 콜드 박스로 보내어, 열교환시켜서 온도를 증가시키는 단계;c) 단계 b)로부터의 상기 열교환되고 가압된 액체 LNG를 분리기로 보내어, 제 1 및 제 2 환류물와 조합하여, 분리기 상층부가 분리기 최하부와 함께 생성되는 단계;d) 상기 분리기 최하부를 가압하고 그리고 이어서 상기 가압된 분리기 최하부를 제 1 및 제 2 부분으로 분할하는 단계;e) 상기 가압된 분리기 최하부의 제 1 부분을 디에타나이저에 환류 스트림으로서 보내는 단계;f) 상기 가압된 분리기 최하부의 제 2 부분을 사전 열교환 없이 콜드 박스에 보내는 단계;g) 상기 가압된 분리기 최하부의 제 2 부분을 상기 단계 a) 및 분리기 상층부로부터 얻은 LNG와 열교환에 의하여 가열하는 단계;h) 상기 가압된 분리기 최하부의 상기 가열된 제 2 부분을 상기 디에타나이저에 보내는 단계;i) 메탄보다 더 중질인 탄화수소를 디에타나이저 최하부로서 제거하는 단계;j) 디에타나이저 상층부를 제 2 공급물로서 사전 열교환 없이 상기 분리기에 보내는 단계;k) 상기 분리기 상층부를 상기 분리기로부터 제거하고 그리고 상기 콜드 박스에 도입하기 전에 분리기 상층부를 압축하고 그리고 상기 가압된 액체 LNG 및 상기 가압된 분리기 최하부의 제 2 부분과 열교환하여 재-액화된 가압된 LNG를 생성하는 단계; 및l) 상기 제 1 환류물로서 사용하기 위해 상기 재-액화된 가압된 LNG의 일부분을 분리하는 단계를 포함하는, 액화 천연 가스(LNG)로부터 메탄보다 중질인 탄화수소를 회수하는 공정.
- 제 1 항에 있어서,상기 콜드 박스에 외부 냉각제를 제공하는 단계를 더 포함하는, 액화 천연 가스(LNG)로부터 메탄보다 중질인 탄화수소를 회수하는 공정.
- 제 2 항에 있어서,상기 콜드 박스에 상기 외부 냉각제로서 LNG의 고압 스트림을 제공하는 단계를 더 포함하는, 액화 천연 가스(LNG)로부터 메탄보다 중질인 탄화수소를 회수하는 공정.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US11/188,961 | 2005-07-25 | ||
US11/188,961 US7475566B2 (en) | 2002-04-03 | 2005-07-25 | Liquid natural gas processing |
Publications (2)
Publication Number | Publication Date |
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KR20080039429A KR20080039429A (ko) | 2008-05-07 |
KR100951924B1 true KR100951924B1 (ko) | 2010-04-09 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020087004041A KR100951924B1 (ko) | 2005-07-25 | 2006-07-25 | 액체 천연 가스 처리 |
Country Status (14)
Country | Link |
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US (1) | US7475566B2 (ko) |
EP (1) | EP1920205B1 (ko) |
JP (1) | JP5011501B2 (ko) |
KR (1) | KR100951924B1 (ko) |
CN (1) | CN101233376B (ko) |
AU (1) | AU2006272662B2 (ko) |
BR (1) | BRPI0613903B1 (ko) |
CA (1) | CA2615987C (ko) |
ES (1) | ES2609921T3 (ko) |
MX (1) | MX2008001031A (ko) |
NZ (1) | NZ565218A (ko) |
RU (1) | RU2407966C2 (ko) |
WO (1) | WO2007014209A2 (ko) |
ZA (1) | ZA200801211B (ko) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2024699A4 (en) * | 2006-05-23 | 2017-09-20 | Fluor Technologies Corporation | High ethane recovery configurations and methods in lng regasification facilities |
US9869510B2 (en) | 2007-05-17 | 2018-01-16 | Ortloff Engineers, Ltd. | Liquefied natural gas processing |
WO2009023252A1 (en) | 2007-08-14 | 2009-02-19 | Fluor Technologies Corporation | Configurations and methods for improved natural gas liquids recovery |
US20090282865A1 (en) | 2008-05-16 | 2009-11-19 | Ortloff Engineers, Ltd. | Liquefied Natural Gas and Hydrocarbon Gas Processing |
WO2010077614A2 (en) * | 2008-12-08 | 2010-07-08 | Howe-Baker Engineers, Ltd. | Liquid natural gas processing |
US8434325B2 (en) | 2009-05-15 | 2013-05-07 | Ortloff Engineers, Ltd. | Liquefied natural gas and hydrocarbon gas processing |
US20100287982A1 (en) | 2009-05-15 | 2010-11-18 | Ortloff Engineers, Ltd. | Liquefied Natural Gas and Hydrocarbon Gas Processing |
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RU2407966C2 (ru) | 2010-12-27 |
NZ565218A (en) | 2011-02-25 |
AU2006272662B2 (en) | 2009-09-10 |
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CA2615987A1 (en) | 2007-02-01 |
CA2615987C (en) | 2012-03-20 |
CN101233376A (zh) | 2008-07-30 |
WO2007014209A2 (en) | 2007-02-01 |
JP2009503424A (ja) | 2009-01-29 |
KR20080039429A (ko) | 2008-05-07 |
AU2006272662A1 (en) | 2007-02-01 |
WO2007014209A3 (en) | 2007-05-03 |
EP1920205A2 (en) | 2008-05-14 |
JP5011501B2 (ja) | 2012-08-29 |
CN101233376B (zh) | 2010-12-08 |
RU2008106604A (ru) | 2009-09-10 |
ZA200801211B (en) | 2009-01-28 |
ES2609921T3 (es) | 2017-04-25 |
BRPI0613903B1 (pt) | 2019-06-04 |
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