Apparatus and system for swing adsorption processes related thereto
First Claim
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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;
a plurality of valves secured to 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 through a conduit and to the adsorbent bed, wherein at least one of the plurality of valves has a valve cross sectional area disposed at least partially outside of an interface cross sectional area of the adsorbent bed; and
a filler material disposed adjacent to the adsorbent bed and configured to lessen the dead volume within the interior region, wherein the filler material is disposed between an interior diameter of the housing of the adsorbent bed and the adsorbent bed unit is configured such that the flow path is around the filler material;
wherein the cyclical swing adsorbent bed unit is configured to operate on a cycle duration period greater than 1 second and less than 600 seconds.
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Abstract
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 on the head of the adsorbent bed unit.
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Citations
33 Claims
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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; a plurality of valves secured to 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 through a conduit and to the adsorbent bed, wherein at least one of the plurality of valves has a valve cross sectional area disposed at least partially outside of an interface cross sectional area of the adsorbent bed; and a filler material disposed adjacent to the adsorbent bed and configured to lessen the dead volume within the interior region, wherein the filler material is disposed between an interior diameter of the housing of the adsorbent bed and the adsorbent bed unit is configured such that the flow path is around the filler material; wherein the cyclical swing adsorbent bed unit is configured to operate on a cycle duration period greater than 1 second and less than 600 seconds. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A process for removing contaminants from a feed stream, the process comprising:
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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 at least one of the plurality of feed poppet valves has a valve cross sectional area disposed at least partially outside of an interface cross sectional area of the adsorbent bed, and wherein a filler material is disposed adjacent to the adsorbent bed in the interior region of the housing of the adsorbent bed unit, and the filler material is configured to lessen the dead volume within the interior region of the housing of the adsorbent bed unit, and wherein the filler material is disposed between an interior diameter of the housing of the adsorbent bed unit and configured such that the flow path is around the filler material, (ii) exposing the gaseous feed stream to the adsorbent bed through the flow path around the filler material 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; and c) 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. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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19. A method of manufacturing a cyclical swing adsorbent bed unit, the method comprising:
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forming a housing having an interior region; disposing an adsorbent bed within the interior region of the housing; disposing a filler material adjacent to the adsorbent bed and configured to lessen the dead volume within the interior region of the housing, wherein the filler material is disposed between an interior diameter of the housing the adsorbent bed and the adsorbent bed unit is configured such that a flow path of a fluid flow is around the filler material; 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, wherein each of the plurality of valves is configured to control the fluid flow along the flow path extending from a location external to the housing to the adsorbent bed, wherein at least one of the plurality of valves have a valve cross sectional area disposed at least partially outside of an interface cross sectional area of the adsorbent bed. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26)
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27. A process for removing contaminants from a feed stream, the process comprising:
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a) performing one or more adsorption steps in an adsorbent bed unit, wherein each of the one or more adsorption steps comprise;
(i) opening one or more 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 one or more 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 a filler material is disposed adjacent to the adsorbent bed in the interior region of the housing of the adsorbent bed unit, and the filler material is configured to lessen the dead volume within the interior region of the housing of the adsorbent bed unit, and wherein the filler material is disposed between an interior diameter of the housing of the adsorbent bed unit and configured such that the flow path is around the filler material, (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 through one or more purge poppet valves and conducting away at least a portion of the one or more contaminants in a purge output stream via one or more purge output poppet valves; and c) 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, wherein at least one of the one or more feed poppet valves, one or more product poppet valves, one or more purge poppet valves or one or more purge output poppet valves has a valve cross sectional area disposed at least partially outside of an interface cross sectional area of the adsorbent bed. - View Dependent Claims (28, 29, 30, 31, 32, 33)
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Specification