KR20170063686A - 프로필렌 플랜트로부터 에틸렌 및 프로필렌 수율을 증가시키기 위한 방법 - Google Patents
프로필렌 플랜트로부터 에틸렌 및 프로필렌 수율을 증가시키기 위한 방법 Download PDFInfo
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- F25J3/0233—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 separated product stream separation of CnHm with 1 carbon atom or more
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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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- F25J3/0228—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 separated product stream
- F25J3/0238—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 separated product stream separation of CnHm with 2 carbon atoms or more
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- F25J3/0228—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 separated product stream
- F25J3/0242—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 separated product stream separation of CnHm with 3 carbon atoms or more
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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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- F25J3/04—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 for air
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- F25J2200/00—Processes or apparatus using separation by rectification
- F25J2200/74—Refluxing the column with at least a part of the partially condensed overhead gas
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
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- F25J2205/00—Processes or apparatus using other separation and/or other processing means
- F25J2205/02—Processes or apparatus using other separation and/or other processing means using simple phase separation in a vessel or drum
- F25J2205/04—Processes or apparatus using other separation and/or other processing means using simple phase separation in a vessel or drum in the feed line, i.e. upstream of the fractionation step
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
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- F25J2210/00—Processes characterised by the type or other details of the feed stream
- F25J2210/02—Multiple feed streams, e.g. originating from different sources
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- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
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- F25J2210/00—Processes characterised by the type or other details of the feed stream
- F25J2210/12—Refinery or petrochemical off-gas
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- F25J2215/00—Processes characterised by the type or other details of the product stream
- F25J2215/62—Ethane or ethylene
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- F25J2215/00—Processes characterised by the type or other details of the product stream
- F25J2215/64—Propane or propylene
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Abstract
Description
Claims (5)
- 직접생산 프로필렌 생산 시스템에서의 C2 및 C3 성분의 회수 방법으로서,
조합된 탈에탄흡수기 오버헤드 경질성분 증기 및 분해 가스 증기를, 상기 증기의 적어도 80 wt%가 응축되는 온도로 냉각시켜 제1 부분 응축물 및 제1 잔류 증기를 형성하는 단계;
상기 제1 부분 응축물을 정류기의 하부에 통과시키는 단계;
상기 제1 잔류 증기를 75 내지 95 wt%의 C2 성분, 5 내지 25 wt%의 C1 성분 및 0 내지 5 wt%의 C3 성분을 포함하는 항류 스트림과 접촉시키면서 상기 정류기의 패킹 위를 통해 상기 제1 잔류 증기를 통과시킴으로써, 20 내지 45 wt%의 C1 성분, 40 내지 60 wt%의 C2 성분 및 0 내지 5 wt%의 C3 성분을 포함하는 정류기 오버헤드 스트림 및 정류기 액체 하부 스트림을 생성하는 단계;
상기 정류기 액체 하부 스트림을 상기 탈에탄흡수기에 통과시키는 단계;
상기 정류기 오버헤드 스트림을 냉각시키기 위해 하나 이상의 열교환기 스테이지에서 상기 정류기 오버헤드 스트림을 부분 응축시켜, 5 wt% 미만의 C2 성분을 포함하는 제2 잔류 증기 및 75 내지 95 wt%의 C2 성분을 포함하는 제1 잔류 액체를 갖는 제2 부분 응축물을 생성하는 단계;
조합된 제2 잔류 증기 및 제1 잔류 액체를 넉아웃 드럼(knockout drum)에 통과시켜 상기 제1 잔류 액체로부터 상기 제2 잔류 증기를 분리하는 단계;
임의로 상기 제2 잔류 증기를 연료 가스로서 그리고/또는 상기 하나 이상의 열교환기 스테이지에서의 냉각 액체로서 사용하는 단계;
상기 향류 스트림으로서 작용시키기 위해 상기 정류기에서의 상기 패킹의 상부로 상기 제2 잔류 액체의 제1 부분을 통과시키는 단계; 및
상기 제2 잔류 액체의 제2 부분을 생성물 회수 시스템에 통과시키는 단계
를 포함하는, C2 및 C3 성분의 회수 방법. - 제1항에 있어서, 상기 하나 이상의 열교환기 스테이지는 상기 정류기 오버헤드 스트림을 -100℃ 이하의 온도로 냉각시키는, C2 및 C3 성분의 회수 방법.
- 제1항 또는 제2항에 있어서, 상기 제2 잔류 증기는 적어도 95 wt%의 C1 성분을 포함하는, C2 및 C3 성분의 회수 방법.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 상기 제2 잔류 증기는 우선 상기 하나 이상의 열교환기 스테이지에서 냉각 유체로서 사용되고, -50 내지 -90℃의 온도로 가온되고, 이후 후속하여 팽창되고, -110 내지 -180℃의 온도로 냉각되고, 이후 다시 하나 이상의 열교환기 스테이지에서 냉각 유체로서 사용되는, C2 및 C3 성분의 회수 방법.
- 제1항 내지 제4항 중 어느 한 항에 있어서, 상기 정류기는 복수의 트레이를 갖는 트레이 유형 칼럼이되, 상기 트레이는 버블-캡 트레이, 체 트레이, 및 밸브 트레이로 이루어진 군으로부터 선택되는 하나 이상인, C2 및 C3 성분의 회수 방법.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201462057952P | 2014-09-30 | 2014-09-30 | |
| US62/057,952 | 2014-09-30 | ||
| PCT/US2015/051324 WO2016053668A1 (en) | 2014-09-30 | 2015-09-22 | Process for increasing ethylene and propylene yield from a propylene plant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20170063686A true KR20170063686A (ko) | 2017-06-08 |
| KR102448446B1 KR102448446B1 (ko) | 2022-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| KR1020177009348A Active KR102448446B1 (ko) | 2014-09-30 | 2015-09-22 | 프로필렌 플랜트로부터 에틸렌 및 프로필렌 수율을 증가시키기 위한 방법 |
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| Country | Link |
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| US (1) | US10808999B2 (ko) |
| EP (1) | EP3201549B1 (ko) |
| KR (1) | KR102448446B1 (ko) |
| CN (1) | CN106715368B (ko) |
| BR (1) | BR112017005575B1 (ko) |
| CA (1) | CA2962755C (ko) |
| MX (1) | MX2017003628A (ko) |
| RU (1) | RU2701018C2 (ko) |
| SA (1) | SA517381170B1 (ko) |
| WO (1) | WO2016053668A1 (ko) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109791018A (zh) * | 2016-08-25 | 2019-05-21 | 沙特基础工业全球技术公司 | 用于丙烷脱氢反应器流出物的低温以上的分离方法 |
| EP3562801B1 (en) | 2016-12-29 | 2024-09-18 | Uop Llc | Process for recovering heat from a hydrocarbon separation |
| US11543180B2 (en) * | 2017-06-01 | 2023-01-03 | Uop Llc | Hydrocarbon gas processing |
| CN111004080A (zh) * | 2018-10-08 | 2020-04-14 | 中国石化工程建设有限公司 | 一种丙烷脱氢制丙烯反应产物的分离方法及分离装置 |
| KR20220086559A (ko) * | 2019-09-10 | 2022-06-23 | 켈로그 브라운 앤드 루트 엘엘씨 | 프로판 탈수소 시스템 내의 반응기 공급으로부터의 냉동 회수 |
| CN114616042B (zh) * | 2019-09-10 | 2025-09-23 | 凯洛格·布朗及鲁特有限公司 | 用于从丙烷脱氢工艺回收丙烯的方法 |
| EP4028147A4 (en) | 2019-09-10 | 2023-10-18 | Kellogg Brown & Root LLC | METHOD FOR RECOVERING PROPYLENE FROM PROPANE DEHYDRATION PROCESS |
| RU2758754C1 (ru) * | 2021-03-10 | 2021-11-01 | Андрей Владиславович Курочкин | Способ реконструкции установки низкотемпературной сепарации газа для повышения выхода газового конденсата (варианты) |
| EP4780790A1 (en) * | 2023-09-18 | 2026-07-29 | Dow Global Technologies LLC | Processes for recovery of one or more of c2, c3, or c4 olefins |
Citations (2)
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- 2015-09-22 KR KR1020177009348A patent/KR102448446B1/ko active Active
- 2015-09-22 WO PCT/US2015/051324 patent/WO2016053668A1/en not_active Ceased
- 2015-09-22 EP EP15781186.0A patent/EP3201549B1/en active Active
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| EP3201549A1 (en) | 2017-08-09 |
| US10808999B2 (en) | 2020-10-20 |
| EP3201549B1 (en) | 2019-11-27 |
| MX2017003628A (es) | 2017-07-13 |
| RU2017112785A (ru) | 2018-10-15 |
| SA517381170B1 (ar) | 2021-02-08 |
| WO2016053668A1 (en) | 2016-04-07 |
| CA2962755A1 (en) | 2016-04-07 |
| BR112017005575B1 (pt) | 2022-11-08 |
| US20170248364A1 (en) | 2017-08-31 |
| CA2962755C (en) | 2023-03-14 |
| KR102448446B1 (ko) | 2022-09-30 |
| CN106715368A (zh) | 2017-05-24 |
| RU2701018C2 (ru) | 2019-09-24 |
| BR112017005575A2 (pt) | 2018-01-23 |
| CN106715368B (zh) | 2022-09-09 |
| WO2016053668A4 (en) | 2016-06-16 |
| RU2017112785A3 (ko) | 2019-03-13 |
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