Apparatus and system for swing adsorption processes related thereto
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01D-053/04
B01D-053/047
출원번호
US-0284973
(2016-10-04)
등록번호
US-10040022
(2018-08-07)
발명자
/ 주소
Fowler, Tracy A.
Ramkumar, Shwetha
Frederick, Jeffrey W.
Nagavarapu, Ananda K.
Chialvo, Sebastian
Tammera, Robert F.
Fulton, John W.
출원인 / 주소
ExxonMobil Upstream Research Company
대리인 / 주소
ExxonMobil Upstream Research Company—Law Department
인용정보
피인용 횟수 :
0인용 특허 :
280
초록▼
Provided are apparatus and systems for performing a swing adsorption process. This swing adsorption process may involve passing streams through adsorbent bed units to remove contaminants, such as water, from the stream. As part of the process, the adsorbent bed unit may include additional space for
Provided are apparatus and systems for performing a swing adsorption process. This swing adsorption process may involve passing streams through adsorbent bed units to remove contaminants, such as water, from the stream. As part of the process, the adsorbent bed unit may include additional space for the valves of the adsorbent bed unit.
대표청구항▼
1. A cyclical swing adsorbent bed unit for removing contaminants from a gaseous feed stream, the adsorbent bed unit comprising: a housing forming an interior region;an adsorbent bed disposed within the interior region of the housing;a plurality of valves secured to the housing, wherein each of the p
1. A cyclical swing adsorbent bed unit for removing contaminants from a gaseous feed stream, the adsorbent bed unit comprising: a housing forming an interior region;an adsorbent bed disposed within the interior region of the housing;a plurality of valves secured to the housing, wherein each of the plurality of valves is in flow communication with a conduit and configured to control fluid flow along a flow path extending from a location external to the housing through the conduit and to the adsorbent bed through the valve, wherein each of the plurality the valves has a valve cross sectional area within an interface cross sectional area of the adsorbent bed and the aspect ratio of the interface cross sectional area is greater than 2. 2. The cyclical swing adsorbent bed unit of claim 1, wherein the aspect ratio of the interface cross sectional area is in the range between 3 and 12. 3. The cyclical swing adsorbent bed unit of claim 1, wherein the aspect ratio of the interface cross sectional area is in the range between 3 and 7. 4. The cyclical swing adsorbent bed unit of claim 1, wherein the housing comprises a head coupled to a body portion to form the housing; and the plurality of valves are secured to the head. 5. The cyclical swing adsorbent bed unit of claim 1, wherein the housing comprises a head coupled to a body portion to form the housing; and the plurality of valves are secured to the body portion. 6. The cyclical swing adsorbent bed unit of claim 1, further comprising a sealing element disposed between the housing and the adsorbent bed. 7. The cyclical swing adsorbent bed unit of claim 1, wherein two or more of the plurality of valves are operated via common actuation mechanism. 8. The cyclical swing adsorbent bed unit of claim 1, wherein the housing is configured to maintain a pressure from 5 pounds per square inch absolute (psia) and 1,400 psia. 9. A process for removing contaminants from a feed stream, the process comprising: a) performing one or more adsorption steps in an adsorbent bed unit, wherein each of the one or more adsorption steps comprise: (i) opening a plurality of feed poppet valves to pass a gaseous feed stream from a feed inlet conduit to an adsorbent bed disposed in an interior region of a housing of the adsorbent bed unit, wherein each of the plurality of feed poppet valves is in direct flow communication with the feed inlet conduit and configured to control fluid flow along a flow path extending from a location external to the housing through the feed inlet conduit and to the adsorbent bed, wherein each of the plurality of feed poppet valves has a valve cross sectional area within an interface cross sectional area of the adsorbent bed and the aspect ratio of the interface cross sectional area is greater than 2, (ii) exposing the gaseous feed stream to the adsorbent bed to separate one or more contaminants from the gaseous feed stream to form a product stream, and (iii) opening one or more product poppet valves to conduct away the product stream from the interior region in the housing to a product conduit;b) performing one or more purge steps, wherein each of the one or more purge steps comprise passing a purge stream into the adsorbent bed unit to conduct away at least a portion of the one or more contaminants in a purge output stream; andc) repeating the steps a) to b) for at least one additional cycle, wherein the cycle duration is for a period greater than 1 second and less than 600 seconds. 10. The process of claim 9, wherein the aspect ratio of the interface cross sectional area is in the range between 3 and 12. 11. The process of claim 9, wherein the aspect ratio of the interface cross sectional area is in the range between 3 and 7. 12. The process of claim 9, wherein the opening the plurality of feed poppet valves further comprises moving a common actuation mechanism to open the plurality of valves. 13. The process of claim 9, wherein opening the plurality of feed poppet valves further comprise linearly moving with a feed actuating mechanism at least one feed valve stem to provide a feed opening between a feed disk element coupled to the at least one feed valve stem and a feed seat secured to the housing of the adsorbent bed unit. 14. The process of claim 9, wherein the cycle duration is for a period greater than 1 second and less than 300 seconds to separate one or more contaminants from the gaseous feed stream to form the product stream. 15. The process of claim 9, wherein the gaseous feed stream is a hydrocarbon containing stream having greater than one volume percent hydrocarbons based on the total volume of the gaseous feed stream. 16. The process of claim 9, wherein a feed pressure of the gaseous feed stream is in the range between 400 pounds per square inch absolute (psia) and 1,400 psia. 17. The process of claim 9, wherein performing the one or more adsorption steps is configured to lower the carbon dioxide (CO2) level to less than 50 parts per million volume. 18. The process of claim 9, wherein performing the one or more adsorption steps is configured to lower the water (H2O) level to less than 105 parts per million volume. 19. A method of manufacturing a cyclical swing adsorbent bed unit, the method comprising: forming a housing having an interior region;creating a plurality of valve ports into the housing;securing a valve to the housing in each of the plurality of valve ports to form a plurality of valves; anddisposing an adsorbent bed within the interior region of the housing wherein each of the plurality of valves is configured to control fluid flow along a flow path extending from a location external to the housing to the adsorbent bed, wherein each of the plurality of valves has a valve cross sectional area within an interface cross sectional area of the adsorbent bed and the aspect ratio of the interface cross sectional area is greater than 2. 20. The method of claim 19, wherein the creating the plurality of valve ports into the housing comprises: forming a head;creating the plurality of valve ports into the head; andsecuring the head to a body portion to form the housing. 21. The method of claim 19, further, wherein the creating the plurality of valve ports into the housing comprises: forming a head;forming a body portion;creating the plurality of valve ports into the body portion;securing the plurality of valve ports into the body portion; andsecuring the head to the body portion to form the housing. 22. The method of claim 19, further comprising securing a common actuation mechanism to the plurality of valves, wherein the common actuation mechanism is configured to open or to close the plurality of valves. 23. The method of claim 19, further comprising disposing a sealing element around the adsorbent bed prior to disposing an adsorbent bed within the interior region of the housing. 24. The method of claim 23, further comprising mechanically activating the sealing element after the adsorbent bed is disposed within the interior region of the housing to form a pressure boundary between the housing and the adsorbent bed.
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