IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0425500
(2003-04-29)
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발명자
/ 주소 |
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인용정보 |
피인용 횟수 :
5 인용 특허 :
3 |
초록
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A phase enhanced gas-liquid absorption method is disclosed. By adding an organic mixture or compound into a conventional gas-liquid system, the organic mixture forms a layer between the gas mixture and the liquid carrier. In this modified system, the absorption rate of the gas is significantly incre
A phase enhanced gas-liquid absorption method is disclosed. By adding an organic mixture or compound into a conventional gas-liquid system, the organic mixture forms a layer between the gas mixture and the liquid carrier. In this modified system, the absorption rate of the gas is significantly increased by the organic mixture, which plays a role of transporting the gas from the gas mixture to the liquid carrier.
대표청구항
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1. A method for separating a gas from a gas mixture by absorbing it with a liquid carrier which is able to selectively absorb the gas, the method comprising:introducing a liquid carrier into a vessel through an inlet;introducing a liquid organic mixture into the vessel to form a liquid organic layer
1. A method for separating a gas from a gas mixture by absorbing it with a liquid carrier which is able to selectively absorb the gas, the method comprising:introducing a liquid carrier into a vessel through an inlet;introducing a liquid organic mixture into the vessel to form a liquid organic layer or small parcels between the gas and the liquid carrier, the liquid organic mixture being immiscible with the liquid carrier;introducing the gas mixture into the vessel through the inlet, allowing the liquid organic layer to absorb the gas and to convert it into absorbed gas; andallowing the liquid organic layer to transport the absorbed gas into the liquid carrier.2. The method of claim 1, wherein the gas mixture contains about 99.99% of the gas by weight, and wherein the ratio of the liquid organic mixture to the liquid carrier is from 1/1000 to 1000/1 by volume, the method further comprising:maintaining the temperature of the vessel within the range from about 1° C. to about 500° C.; andcollecting the gas from the liquid carrier in the vessel.3. The method of claim 1, wherein the gas mixture contains about 99.99% of the gas by weight, the method further comprising collecting the gas from the liquid carrier in the vessel.4. The method of claim 1, wherein the ratio of the liquid organic mixture to the liquid carrier is from about 1/100 to about 100/1 by volume; wherein the content of the gas is from about 0.001% to about 99.99% of the gas mixture by weight; wherein the liquid carrier is an aqueous solution; wherein the liquid organic layer is made of the members selected from the group consisting of alkane, alcohol, ether, ester, amine, and combinations thereof; and wherein the gas in the gas mixture is a member selected from the group consisting of CO2, SO2, H2S, COS, and combinations thereof, the method further comprising:collecting the gas mixture from one of the inlets of the vessel; andagitating the liquid carrier to facilitate the absorbed gas to diffuse in the liquid carrier.5. The method of claim 4 further comprising maintaining the temperature of the vessel within the range from about 5° C. to about 200° C.6. The method of claim 1, wherein the ratio of the liquid organic mixture to the liquid carrier is from about 1/100 to about 100/1 by volume; wherein the content of the gas is from about 0.001% to about 99.99% of the gas mixture by weight; wherein the liquid carrier is an aqueous solution; wherein the liquid organic layer is made of the members selected from the group consisting of alkane, alcohol, ether, ester, amine, and combinations thereof; and wherein the gas in the gas mixture is a member selected from the group consisting of CO2, SO2, H2S, COS, and combinations thereof, the method further comprising agitating the liquid carrier to facilitate the absorbed gas to diffuse in the liquid carrier.7. The method of claim 1, wherein the ratio of the liquid organic mixture to the liquid carrier is from about 1/100 to about 100/1 by volume; wherein the liquid carrier is an aqueous solution; wherein the liquid organic layer is made of the members selected from the group consisting of alkane, alcohol, ether, ester, amine, and combinations thereof; and wherein the gas in the gas mixture is a member selected from the group consisting of CO2, SO2, H2S, COS, and combinations thereof, the method further comprising collecting the gas mixture from one of the inlets of the vessel.8. The method of claim 7 further comprising agitating the liquid carrier to facilitate the absorbed gas to diffuse in the liquid carrier.9. The method of claim 1, wherein the ratio of the liquid organic mixture to the liquid carrier is from about 1/100 to about 100/1 by volume, the method further comprising:agitating the liquid carrier to facilitate the absorbed gas to diffuse in the liquid carrier; andmaintaining the temperature of the vessel within the range from about 5° C. to about 200° C.10. The method of claim 1, wherein the ratio of the liquid organic mixture to the liquid carrier is from about 1/100 to about 100/1 by volume, the method further comprising maintaining the temperature of the vessel within the range from about 5° C. to about 200° C.11. The method of claim 1, wherein the content of the gas is from about 0.001% to about 99.99% of the gas mixture by weight; wherein the liquid carrier is an aqueous solution; wherein the liquid organic layer is made of the members selected from the group consisting of alkane, alcohol, ether, ester, amine, and combinations thereof; wherein the gas in the gas mixture is a member selected from the group consisting of CO2, SO2, H2S, COS, and combinations thereof; and wherein the liquid organic layer is from about 0.1 mm to about 50 cm in its thickness, the method further comprising:collecting the gas mixture from one of the inlets of the vessel; andagitating the liquid carrier to facilitate the absorbed gas to diffuse in the liquid carrier.12. The method of claim 11 further comprising maintaining the temperature of the vessel within the range from about 5° C. to about 200° C.13. The method of claim 1, wherein the content of the gas is from about 0.001% to about 99.99% of the gas mixture by weight; wherein the liquid carrier is an aqueous solution; wherein the liquid organic layer is made of the members selected from the group consisting of alkane, alcohol, ether, ester, amine, and combinations thereof; wherein the gas in the gas mixture is a member selected from the group consisting of CO2, SO2, H2S, COS, and combinations thereof; and wherein the liquid organic layer is from about 0.1 mm to about 50 cm in its thickness, the method further comprising agitating the liquid carrier to facilitate the absorbed gas to diffuse in the liquid carrier.14. The method of claim 1, wherein the content of the gas is from about 0.001% to about 99.99% of the gas mixture by weight, and wherein the liquid organic layer is from about 0.1 mm to about 50 cm in its thickness, the method further comprising collecting the gas mixture from one of the inlets of the vessel.15. The method of claim 14 further comprising agitating the liquid carrier to facilitate the absorbed as to diffuse in the liquid carrier.16. The method of claim 1, wherein the content of the gas is from about 0.001% to about 99.99% of the gas mixture by weight, the method further comprising:agitating the liquid carrier to facilitate the absorbed gas to diffuse in the liquid carrier; andmaintaining the temperature of the vessel within the range from about 5° C. to about 200° C.17. The method of claim 1, wherein the content of the gas is from about 0.001% to about 99.99% of the gas mixture by weight, the method further comprising maintaining the temperature of the vessel within the range from about 5° C. to about 200° C.18. The method of claim 1, wherein the liquid carrier is an aqueous solution; wherein the liquid organic layer is made of the members selected from the group consisting of alkane alcohol, ether, ester, amine, and combinations thereof; wherein the gas in the gas mixture is a member selected from the group consisting of CO2, SO2, H2S, COS, and combinations thereof; and wherein the liquid organic layer is from about 0.1 mm to about 50 cm in its thickness, the method further comprising:collecting the gas mixture from one of the inlets of the vessel;agitating the liquid carrier to facilitate the absorbed gas to diffuse in the liquid carrier; andmaintaining the temperature of the vessel within the range from about 5° C. to about 200° C.19. The method of claim 1, wherein the liquid carrier is an aqueous solution; wherein the liquid organic layer is made of the members selected from the group consisting of alkane, alcohol, ether, ester, amine, and combinations thereof; wherein the gas in the gas mixture is a member selected from the group consisting of CO2, SO2, H2S, COS, and combinations thereof; and wherein the liquid organic layer is from about 0.1 mm to about 50 cm in its thickness, the method further comprising:collecting the gas mixture from one of the inlets of the vessel; andmaintaining the temperature of the vessel within the range from about 5° C. to about 200° C.20. The method of claim 1, wherein the liquid carrier is an aqueous solution; wherein the liquid organic layer is made of the members selected from the group consisting of alkane, alcohol, ether, ester, amine, and combinations thereof; and wherein the gas in the gas mixture is a member selected from the group consisting of CO2, SO2, H2S, COS, and combinations thereof, the method further comprising:collecting the gas mixture from one of the inlets of the vessel; andmaintaining the temperature of the vessel within the range from about 5° C. to about 200° C.21. The method of claim 1 wherein the liquid organic layer is from about 0.1 mm to about 50 cm in its thickness.22. The method of claim 21 further comprising collecting the gas mixture from one of the inlets of the vessel.23. The method of claim 1 further comprising:collecting the gas mixture from one of the inlets of the vessel;agitating the liquid carrier to facilitate the absorbed gas to diffuse in the liquid carrier; andmaintaining the temperature of the vessel within the range from about 5° C. to about 200° C.24. The method of claim 1 further comprising agitating the liquid carrier to facilitate the absorbed gas to diffuse in the liquid carrier.25. The method of claim 24 further comprising maintaining the temperature of the vessel within the range from about 5° C. to about 200° C.26. A system for separating a gas from a gas mixture by absorbing the gas by a liquid carrier which is able to selectively absorb the gas, the system comprising:a closed vessel having at least one inlet;a gas mixture in the vessel;a liquid carrier in the vessel; andan organic mixture which exists as a layer or small parcels between the gas mixture and the liquid carrier, the organic mixture being immiscible with the liquid carrier and being able to transport the gas from the gas mixture into the liquid carrier.27. The system of claim 26 wherein the liquid carrier is an aqueous solution; wherein the liquid organic layer is made of the members selected from the group consisting of alkane, alcohol, ether, ester, amine, and combinations thereof; and wherein the gas in the gas mixture is a member selected from the group consisting of CO2, SO2, H2S, COS, and combinations thereof.28. The system of claim 27 further comprising:means for adjusting and maintaining the pressure of the system;means for adjusting and maintaining the temperature of the system;means for regulating the entry of the gas mixture through one of the inlets; andmeans for monitoring the flow rate of gas mixture entering the inlet.29. The system of claim 26 wherein the gas to be absorbed is CO2 at concentration from about 0.001 to about 99.9% of the gas mixture by volume, wherein the liquid carrier is a sodium formate aqueous solution, and wherein the liquid organic layer is an organic mixture of Tri-C8-C10-Alkyl amines and 2-ethylhexyl alcohol at a ratio from 100/1 to 1/100 by volume.30. The system of claim 29 further comprising:means for adjusting and maintaining the pressure of the system;means for adjusting and maintaining the temperature of the system;means for regulating the entry of the gas mixture through one of the inlets; andmeans for monitoring the flow rate of gas mixture entering the inlet.31. The system of claim 26 further comprising:means for adjusting and maintaining the pressure of the system; andmeans for adjusting and maintaining the temperature of the system.32. The system of claim 26 further comprising:means for regulating the entry of the gas mixture through one of the inlets; andmeans for monitoring the flow rate of gas mixture entering the inlet.33. The system of claim 26 further comprising means for agitating the liquid carrier and the gas mixture.34. A method for separating a gas from a gas mixture by absorbing it with a liquid carrier which is able to selectively absorb the gas, the method comprising:introducing a liquid carrier in a vessel containing at least one inlet;introducing a second liquid into the vessel, the second liquid being immiscible with the liquid carrier;introducing the gas mixture into the vessel through the inlet, allowing the second liquid to absorb the gas and to convert it into absorbed gas; andallowing the second liquid to transport the absorbed gas into the liquid carrier.35. The method of claim 34 further comprising releasing the absorbed gas and collecting it.36. The method of claim 34 further comprising maintaining the temperature of the vessel within the range from about 1° C. to about 500° C.37. The method of claim 36 further comprising agitating the liquid carrier to facilitate the absorbed gas to diffuse in the liquid carrier.38. The method of claim 34 further comprising agitating the liquid carrier to facilitate the absorbed gas to diffuse in the liquid carrier.
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