Temperature swing adsorption systems and methods for purifying fluids using the same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01D-053/04
B01D-053/22
출원번호
US-0887837
(2013-05-06)
등록번호
US-8936669
(2015-01-20)
발명자
/ 주소
Doong, Shain-Jer
McIlroy, Christopher B.
출원인 / 주소
UOP LLC
인용정보
피인용 횟수 :
0인용 특허 :
9
초록▼
A temperature swing adsorption system includes a first adsorption bed configured to receive a feed stream and adsorb a contaminant from the feed stream to produce a product stream, a second adsorption bed configured to receive a portion of the product stream and a cooling stream to reduce a temperat
A temperature swing adsorption system includes a first adsorption bed configured to receive a feed stream and adsorb a contaminant from the feed stream to produce a product stream, a second adsorption bed configured to receive a portion of the product stream and a cooling stream to reduce a temperature of the second adsorption bed, a third adsorption bed configured to receive the heated product stream to increase a temperature of the third adsorption bed; a separation system to separate the cooled product stream into a first component stream and a second component stream, and a fourth adsorption bed configured to receive the first component stream and to enrich an adsorptive concentration of the first component stream. The enriched first component stream is directed to the second adsorption bed to provide the cooling stream.
대표청구항▼
1. A temperature swing adsorption system comprising: a first adsorption bed configured to receive a feed stream and adsorb a contaminant from the feed stream to produce a product stream;a second adsorption bed configured to receive a cooling stream to reduce a temperature of the second adsorption be
1. A temperature swing adsorption system comprising: a first adsorption bed configured to receive a feed stream and adsorb a contaminant from the feed stream to produce a product stream;a second adsorption bed configured to receive a cooling stream to reduce a temperature of the second adsorption bed;a heater configured to receive the portion of the product stream from the second adsorption bed and to increase a temperature of the portion of the product stream to generate a heated product stream;a third adsorption bed configured to receive the heated product stream to increase a temperature of the third adsorption bed;a cooler configured to receive the heated product stream from the third adsorption bed and to decrease a temperature of the heated product stream to generate a cooled product stream;a separation system to separate the cooled product stream into a first component stream and a second component stream; anda fourth adsorption bed configured to receive the first component stream, wherein the product stream of the fourth adsorption bed is directed to the second adsorption bed to provide the cooling stream. 2. The temperature swing adsorption system of claim 1, wherein: the second adsorption bed is further configured to receive a feed stream and adsorb a contaminant from the feed stream to produce a product stream;the third adsorption bed is further configured to receive a cooling stream to reduce a temperature of the third adsorption bed;the fourth adsorption bed is further configured to receive the heated product stream to increase a temperature of the fourth adsorption bed; andthe first adsorption bed is further configured to receive the first component stream and to enrich an adsorptive concentration of the first adsorption bed. 3. The temperature swing adsorption system of claim 1, wherein: the third adsorption bed is further configured to receive a feed stream and adsorb a contaminant from the feed stream to produce a product stream;the fourth adsorption bed is further configured to receive a cooling stream to reduce a temperature of the fourth adsorption bed;the first adsorption bed is further configured to receive the heated product stream to increase a temperature of the first adsorption bed; andthe second adsorption bed is further configured to receive the first component stream and to enrich an adsorptive concentration of the second adsorption bed. 4. The temperature swing adsorption system of claim 1, wherein: the fourth adsorption bed is further configured to receive a feed stream and adsorb a contaminant from the feed stream to produce a product stream;the first adsorption bed is further configured to receive a cooling stream to reduce a temperature of the first adsorption bed;the second adsorption bed is further configured to receive the heated product stream to increase a temperature of the second adsorption bed; andthe third adsorption bed is further configured to receive the first component stream and to enrich an adsorptive concentration of the third adsorption bed. 5. The apparatus of claim 1, further comprising a blower configured to increase a pressure of the enriched first component stream. 6. The apparatus of claim 1, wherein the separation system is configured to produce an overhead stream and a condensate stream. 7. The apparatus of claim 1, wherein the separation system is configured to produce a permeate stream and a residue stream. 8. The apparatus of claim 1, wherein an adsorbent in at least one of the adsorption beds is a silica gel, molecular sieve, alumina, activated carbon, mixed oxide adsorbent, or combinations thereof. 9. The apparatus of claim 8, wherein the adsorbent in the at least one of the adsorption beds is a silica gel. 10. The apparatus of claim 1, wherein the first adsorption bed is configured to receive a natural gas feed stream. 11. A temperature swing adsorption method comprising the following steps: (a) sending a feed stream into an adsorption bed and adsorbing a contaminant from the feed stream into the adsorption bed to produce a product stream;(b) (1) sending a treated regeneration gas stream into the adsorption bed to enrich an adsorptive concentration in the adsorption bed; and (2) optionally providing a regeneration gas stream from the product stream of the adsorption bed for use in a subsequent step (c)(1) for increasing a temperature of a further adsorption bed; and(3) optionally providing a regeneration cooling stream from the product stream of the adsorption bed for use in a subsequent step (d) for cooling a further adsorption bed, wherein either or both of steps (b)(2) and (b)(3) are performed;(c) (1) sending a heated regeneration gas stream into the adsorption bed to increase a temperature of the adsorption bed and produce a heated product stream; (2) sending the heated product stream from the adsorption bed into a cooler to decrease a temperature of the heated product stream to generate a cooled product stream; and(3) separating the cooled product stream in a separation system into a treated regeneration gas stream and a contaminant-enriched stream, wherein the treated regeneration gas stream provides the treated regeneration gas stream of step (b)(1); and(d) sending the regeneration cooling gas stream into the further adsorption bed to reduce a temperature of the further adsorption bed. 12. The method of claim 11, wherein adsorbing the contaminant from the feed stream comprises adsorbing the contaminant into a silicon gel adsorbent. 13. The method of claim 11, further comprising increasing a pressure of the contaminant-enriched stream. 14. The method of claim 11, wherein separating the cooled product stream comprises separating the cooled product stream into an overhead stream and a condensate stream. 15. The method of claim 11, wherein separating the cooled product stream comprises separating the cooled product stream into a permeate stream and a residual stream. 16. The method of claim 11, wherein receiving the feed stream comprises receiving a natural gas stream. 17. A temperature swing adsorption system comprising: a first adsorption bed configured to receive a natural gas feed stream and adsorb a contaminant from the feed stream to produce a product stream;a second adsorption bed configured to receive a cooling stream to reduce a temperature of the second adsorption bed;a heater configured to receive the portion of the product stream from the second adsorption bed and to increase a temperature of the portion of the product stream to generate a heated product stream;a third adsorption bed configured to receive the heated product stream to increase a temperature of the third adsorption bed;a cooler configured to receive the heated product stream from the third adsorption bed and further configured to decrease a temperature of the heated product stream to generate a cooled product stream;a liquid/gas separation system to separate the cooled product stream into a first component stream comprising an overhead stream and a second component stream comprising a condensate stream;a fourth adsorption bed configured to receive the first component stream and to enrich an adsorptive concentration of the fourth adsorption bed; anda blower configured to increase of pressure of the enriched first component, wherein the enriched first component stream is directed to the second adsorption bed to provide the cooling stream, and wherein each of the first, second, third, and fourth adsorption beds comprises a silica adsorbent gel. 18. The temperature swing adsorption system of claim 17, wherein the gas feed stream is received at a temperature from about 15° C. to about 50° C. 19. The temperature swing adsorption system of claim 17, wherein the product stream comprises less than about 0.1% by molecular species C5+ hydrocarbons. 20. The temperature swing adsorption system of claim 17, wherein the heater is selected from the group consisting of: an electric heater, a steam heater, a fired heater, and a hot oil heater.
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