Methods of generating and utilizing utility gas
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01D-053/047
B01D-053/04
F04D-029/10
F04D-029/12
출원번호
US-0680864
(2008-10-14)
등록번호
US-8906138
(2014-12-09)
국제출원번호
PCT/US2008/079870
(2008-10-14)
§371/§102 date
20100330
(20100330)
국제공개번호
WO2009/064569
(2009-05-22)
발명자
/ 주소
Rasmussen, Peter C.
Tanaka, Paul L.
Kelley, Bruce T.
Uptigrove, Stanley O.
Deckman, Harry W.
출원인 / 주소
ExxonMobil Upstream Research Company
대리인 / 주소
ExxonMobil Upstream Research Company Law Department
인용정보
피인용 횟수 :
12인용 특허 :
142
초록▼
The present application is directed to a method and system for preparing gaseous utility streams from gaseous process streams, nitrogen process streams, and other types of streams. The methods and systems may include at least one swing adsorption process including pressure swing adsorption, temperat
The present application is directed to a method and system for preparing gaseous utility streams from gaseous process streams, nitrogen process streams, and other types of streams. The methods and systems may include at least one swing adsorption process including pressure swing adsorption, temperature swing adsorption, and rapid-cycle adsorption processes to treat gaseous streams for use in dry gas seals of rotating equipment such as compressors, turbines and pumps and for other utilities. The systems and processes of the present disclosure are further applicable to high pressure gaseous streams, for example, up to about 600 bar.
대표청구항▼
1. A method of treating a gaseous feed stream, comprising: producing a gaseous feed stream;dividing at least a portion of the gaseous feed stream to form a gaseous slip stream;separating the gaseous slip stream using a selective component removal system having at least one swing adsorption process u
1. A method of treating a gaseous feed stream, comprising: producing a gaseous feed stream;dividing at least a portion of the gaseous feed stream to form a gaseous slip stream;separating the gaseous slip stream using a selective component removal system having at least one swing adsorption process unit to form a utility stream for use in a utility component;feeding the first utility stream into the utility component, wherein the utility stream is compatible with the utility component; andutilizing the utility stream in the utility component. 2. The method of claim 1, wherein the gaseous slip stream is at least one of a hydrocarbon containing feed stream, a nitrogen-rich stream, at least a portion of a high pressure process stream, and at least a portion of a compressor discharge stream. 3. The method of claim 2, wherein the gaseous slip stream is at a pressure above the critical point of the gaseous feed stream. 4. The method of claim 3, wherein the gaseous slip stream is at a pressure of from at least about 100 bar to at least about 500 bar. 5. The method of claim 3, wherein the gaseous slip stream is at a pressure of from at least about 200 bar to at least about 320 bar. 6. The method of claim 1 wherein at least one of the at least one utility component is selected from the group consisting of a compressor, a dry seal compressor, a compressor string, a turbo-expander compressor, a turbo-expander generator, a pump, a fired steam boiler, a fired process heater, a gas engine, a hermetically sealed direct-drive electric motor, turbomachinery equipped with magnetic bearings, gas-operated instruments and controls, and a gas turbine. 7. The method of claim 1 wherein the utility component is located remotely from a gas processing plant. 8. The method of claim 1 wherein the utility stream is utilized as a dry seal gas for at least one of a dry gas seal, a labyrinth seal, and a mechanical seal in the at least one utility component. 9. The method of claim 1 wherein the at least one swing adsorption process unit is selected from the group of units consisting of a pressure swing adsorption (PSA) unit, a thermal swing adsorption (TSA) unit, a partial pressure swing or displacement purge adsorption (PPSA) unit, a rapid cycle thermal swing adsorption (RCTSA) unit, a rapid cycle pressure swing adsorption (RCPSA) unit, a rapid cycle partial pressure swing or displacement purge adsorption (RCPPSA) unit, a compact PSA, a compact TSA, a compact PPSA, and any combination thereof. 10. The method of claim 1 wherein the selective component removal system (SCRS) further comprises at least one of an absorption unit, a membrane separation unit, a molecular sieve, a distillation tower, and a glycol contactor. 11. The method of claim 1 wherein the utility stream is a non-condensible gas stream at an operating temperature and pressure of the utility component. 12. The method of claim 1 wherein the utility stream has a composition, wherein the composition remains in the gaseous phase throughout its utilization in the utility component. 13. The method of claim 1 wherein the utility stream has a composition, wherein the composition is substantially free of toxic and corrosive components. 14. The method of claim 13, wherein the toxic and corrosive components include at least one of H2S, CO2, H2O, and SO2. 15. The method of claim 1 wherein the utility stream has a composition, wherein the composition is substantially completely made up of inert components. 16. The method of claim 15, wherein the inert components include at least one of nitrogen and carbon dioxide. 17. The method of claim 1 wherein the swing adsorption process is performed inside a secondary pressure vessel. 18. The method of claim 17, wherein the secondary pressure vessel is maintained at an inside pressure of from at least about 100 bar to at least about 600 bar. 19. The method of claim 18, wherein the secondary pressure vessel is maintained at an inside pressure of from at least about 200 bar to at least about 500 bar. 20. The method of claim 1, further comprising exchanging heat to or from the swing adsorption process unit by a heat exchanger selected from the group consisting of internal electric heating, jacket cooling, and any combination thereof.
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이 특허에 인용된 특허 (142)
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