IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0632422
(2009-12-07)
|
등록번호 |
US-8707730
(2014-04-29)
|
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
0 인용 특허 :
13 |
초록
▼
A process comprising receiving an ethane-rich stream comprising at least about 70 molar percent ethane, conditioning the ethane-rich stream to a temperature such that the ethane-rich stream has a vapor pressure similar to the vapor pressure of conventional liquefied natural gas (LNG), and transporti
A process comprising receiving an ethane-rich stream comprising at least about 70 molar percent ethane, conditioning the ethane-rich stream to a temperature such that the ethane-rich stream has a vapor pressure similar to the vapor pressure of conventional liquefied natural gas (LNG), and transporting the conditioned ethane-rich stream. Included is a plurality of processing equipment configured to implement a process comprising receiving an ethane-rich stream, adjusting a temperature, a pressure, or both of the ethane-rich stream such that the ethane-rich stream has a temperature from about −160° F. to about 0° F. and a pressure from about 14.7 pounds per square inch absolute (psia) to about 100 psia, and removing substantially all of any vapor fraction from the ethane-rich stream.
대표청구항
▼
1. A process comprising: receiving an ethane-rich stream comprising at least about 70 molar percent ethane;conditioning the ethane-rich stream to a temperature from about −160° F. to about 0° F.;removing substantially all of a vapor fraction from the ethane-rich stream, wherein the vapor fraction is
1. A process comprising: receiving an ethane-rich stream comprising at least about 70 molar percent ethane;conditioning the ethane-rich stream to a temperature from about −160° F. to about 0° F.;removing substantially all of a vapor fraction from the ethane-rich stream, wherein the vapor fraction is used to condition the ethane-rich stream;combining the vapor fraction with the ethane-rich stream after the vapor fraction has conditioned the ethane-rich stream; andtransporting the conditioned ethane-rich stream. 2. The process of claim 1, wherein the conditioned ethane-rich stream is transported in a liquefied natural gas (LNG) tanker ship or rail car. 3. The process of claim 2, wherein the ethane-rich stream comprises at least about 80 molar percent ethane, and wherein the conditioned ethane-rich stream has a pressure from about 14.7 pounds per square inch absolute (psia) to about 100 psia. 4. The process of claim 2, wherein the ethane-rich stream comprises at least about 90 molar percent ethane, wherein the temperature of the conditioned ethane-rich stream is from about −120° F. to about −40° F., and wherein the conditioned ethane-rich stream has a pressure from about 20 pounds per square inch absolute (psia) to about 80 psia. 5. The process of claim 2, wherein the ethane-rich stream comprises at least about 95 molar percent ethane, wherein the temperature of the conditioned ethane-rich stream is from about −100° F. to about −60° F., and wherein the conditioned ethane-rich stream has a pressure from about 30 pounds per square inch absolute (psia) to about 70 psia. 6. The process of claim 2, wherein the ethane-rich stream comprises at least about 97 molar percent ethane, wherein the temperature of the conditioned ethane-rich stream is from about −90° F. to about −70° F., and wherein the conditioned ethane-rich stream has a pressure from about 40 pounds per square inch absolute (psia) to about 60 psia. 7. The process of claim 2, wherein the ethane-rich stream comprises at least about 98 molar percent ethane, wherein the temperature of the conditioned ethane-rich stream is about −80° F., and wherein the conditioned ethane-rich stream has a pressure about 50 pounds per square inch absolute (psia). 8. A process comprising: receiving an ethane-rich stream;adjusting a temperature, a pressure, or both of the ethane-rich stream such that the ethane-rich stream has a temperature from about −160° F. to about 0° F. and a pressure from about 14.7 pounds per square inch absolute (psia) to about 100 psia;removing substantially all of a vapor fraction from the ethane-rich stream, wherein the vapor fraction is used to adjust the temperature, the pressure, or both of the ethane-rich stream; andcombining the vapor fraction with the ethane-rich stream after adjusting the temperature, pressure, or both of the ethane-rich stream. 9. The process of claim 8 further comprising: removing substantially all of any liquid water; andsubsequently removing substantially all of any water vapor. 10. The process of claim 8, wherein adjusting a temperature, a pressure, or both comprises: passing the ethane-rich stream through a plurality of heat exchangers; andthrottling the ethane-rich stream. 11. The process of claim 10, wherein at least one of the heat exchangers is serviced by an external refrigeration process. 12. The process of claim 10 further comprising: receiving an ethane-rich vapor return stream from a storage tank, a transportation vessel, or both; andcombining the ethane-rich vapor return stream with the vapor fraction, thereby producing an ethane-rich vapor stream,wherein the ethane-rich vapor stream is used to adjust the temperature, the pressure, or both of the ethane-rich stream. 13. The process of claim 12, wherein the ethane-rich stream is passed through a first heat exchanger, then a second heat exchanger, and then a third heat exchanger, wherein the second heat exchanger is serviced by an external refrigeration process, and wherein the ethane-rich vapor stream passes through the third heat exchanger, and then the first heat exchanger. 14. The process of claim 13, wherein the ethane-rich vapor stream is compressed, cooled, and combined with the ethane-rich stream after passing through the first heat exchanger. 15. The process of claim 14 further comprising: receiving a natural gas stream; andseparating the ethane-rich stream from the natural gas stream. 16. A process comprising: receiving an ethane-rich stream comprising at least about 90 molar percent ethane;conditioning the ethane-rich stream to a temperature from about −120° F. to about −40° F. and a pressure from about 20 pounds per square inch absolute (psia) to about 80 psia;removing substantially all of a vapor fraction from the ethane-rich stream, wherein the vapor fraction is used to condition the ethane-rich stream;combining the vapor fraction with the ethane-rich stream after the vapor fraction has conditioned the ethane-rich stream; andtransporting the conditioned ethane-rich stream to a ship, a rail car, a storage tank, or combinations thereof. 17. The process of claim 16, wherein the ethane-rich stream comprises at least about 95 molar percent ethane, wherein the temperature is from about −100° F. to about −60° F., and wherein the pressure is from about 30 psia to about 70 psia. 18. The process of claim 16, wherein the ethane-rich stream comprises at least about 98 molar percent ethane, wherein the temperature is about −80° F., and wherein the pressure is about 50 psia. 19. The process of claim 18, wherein the ship is a liquefied natural gas (LNG) tanker destined for Europe or the U.S. Gulf Coast. 20. The process of claim 1, wherein conditioning the ethane-rich stream comprises: passing the ethane-rich stream through one or more heat exchangers; andpassing the vapor fraction through a last of the one or more heat exchangers prior to removing substantially all of the vapor fraction. 21. The process of claim 20, wherein conditioning the ethane-rich stream occurs before removing substantially all of any vapor fraction from the ethane-rich stream. 22. The process of claim 1, wherein the conditioned ethane-rich stream comprises no more than about 5 molar percent vapor. 23. The process of claim 8, wherein adjusting the temperature, the pressure, or both of the ethane-rich stream comprises: passing the ethane-rich stream through one or more heat exchangers; andpassing the vapor fraction through a last of the one or more heat exchangers prior to removing substantially all of the vapor fraction. 24. The process of claim 23, wherein adjusting the temperature, the pressure, or both of the ethane-rich stream occurs before removing substantially all of any vapor fraction from the ethane-rich stream. 25. The process of claim 8, wherein the adjusted ethane-rich stream comprises no more than 5 molar percent vapor. 26. The process of claim 8, wherein the ethane-rich stream comprises at least about 70 molar percent ethane. 27. The process of claim 16, wherein conditioning the ethane-rich stream comprises: passing the ethane-rich stream through one or more heat exchangers; andpassing the vapor fraction through a last of the one or more heat exchangers prior to removing substantially all of the vapor fraction. 28. The process of claim 27, wherein conditioning the ethane-rich stream occurs before removing substantially all of any vapor fraction from the ethane-rich stream. 29. The process of claim 16, wherein the conditioned ethane-rich stream comprises no more than 5 molar percent vapor.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.