IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0683588
(2007-03-08)
|
등록번호 |
US-7744676
(2010-07-19)
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우선권정보 |
DE-10 2006 011 031(2006-03-09) |
발명자
/ 주소 |
- Leitmayr, Werner
- Müller, Ralf
|
출원인 / 주소 |
|
대리인 / 주소 |
Millen, White, Zelano, Branigan, P.C.
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인용정보 |
피인용 횟수 :
26 인용 특허 :
0 |
초록
In a TSA process of an at least two-component raw gas, to adjust for fluctuation in load, the cycle time of at least one method step is extended in the event of falling below the design load value.
대표청구항
▼
The invention claimed is: 1. A method for separating a raw gas comprising at least two components by means of a Temperature Swing Adsorption process, said method comprising: at least one adsorption step and at least one regeneration step, the cycle times of the individual method steps being configu
The invention claimed is: 1. A method for separating a raw gas comprising at least two components by means of a Temperature Swing Adsorption process, said method comprising: at least one adsorption step and at least one regeneration step, the cycle times of the individual method steps being configured for a design load value of said raw gas, wherein the cycle time of at least one method step is extended in the event of a drop below the design load value. 2. A method according to claim 1, wherein the cycle times of all method steps are extended in the event of a drop below the design load value. 3. A method according to claim 1, wherein the extension of the cycle time of at least one method step is proportionally to the drop below the design load. 4. A method according to claim 1, wherein, in the event of falling below the design load value, besides extending the cycle time of said at least one method step, a modification is carried out on the design value of the temperature of said at least one method step. 5. A method according to claim 1, wherein, in the event of falling below the design load value, besides extending the cycle time of said at least one method step, a modification is carried out on the design value of the mass flows of said at least one method step. 6. A method for separating a raw gas comprising at least two components by means of a Temperature Swing Adsorption process, said method comprising: at least one adsorption step and at least one regeneration step, the cycle times of the individual method steps being configured for a design load value of said raw gas, wherein the cycle time of at least one method step is extended in the event of a drop below the design load value, and wherein the extended cycle time of said at least one method step is established according to the following formula: Cycletime—cu=Cycletime—sp*F_Load*F—PT*F—OP*F_Age wherein Cycletime_cu is the cycle time to be established, Cycletime_sp is the cycle time configured for the design load, F_Load is the load, where Load is the predetermined raw gas flow rate/current determined raw gas flow rate, F_PT is the raw gas conditions, F_OP is the specification by the operating staff, and F_Age is the ageing status of the adsorbent. 7. A method according to claim 6, wherein the calculation of the cycle time of said at least one method step is carried out adaptively, the cycle time of said at least one method step being replaced by a counter state (Counterstate_sp=Cycletime_sp), and the current counter state being established according to the following formula: Counterstate_cu = ∑ i = 0 N F_Load i * F_PT i * F_OP i * F_Age i * F_Tr i * Δ t i - 1 wherein Counterstate_cu denotes the current counter state to be established, Counterstate_sp denotes the counter state configured for the design load, F_Load denotes the load (where Load=predetermined raw gas flow rate/current determined raw gas flow rate), F_PT denotes the raw gas conditions, F_OP denotes the specification by the operating staff and F_Age denotes the ageing status of the adsorbent F_Tr denotes the content of trace components and Δti-1 denotes the time difference between the last and current calculations, and where the cycle end is reached whenever: Counterstate_cu=Counterstate_sp. 8. A method according to claim 6, wherein F_PT, F_OP, and F_Age are each 0.5 to 1.5. 9. A method according to claim 7, wherein F_PT, F_OP and F_Age are each 0.5 to 1.5. 10. A method according to claim 6, wherein, in the event of falling below the design load value, besides extending the cycle time of said at least one method step, a modification is carried out on the design value of the temperature of said at least one method step. 11. A method according to claim 6, wherein, in the event of falling below the design load value, besides extending the cycle time of said at least one method step, a modification is carried out on the design value of the mass flows of said at least one method step. 12. A method for separating a raw gas comprising at least two components by means of a Temperature Swing Adsorption process, said method comprising: at least one adsorption step and at least one regeneration step, the cycle times of the individual method steps being configured for a design load value of said raw gas, wherein the cycle time of at least one method step is extended in the event of a drop below the design load value, and wherein at least one of said components is at a concentration of less than 2 vol. % in said raw gas and is removed from the at least two-component raw gas, and the cycle time of said at least one method step is established according to the following formula: Cycletime—cu=Cycletime—sp*F_Load*F—PT*F—OP*F_Age*F—Tr wherein Cycletime_cu is the cycle time to be established, Cycletime_sp is the cycle time configured for the design load, F_Load is the load, where Load is the predetermined raw gas flow rate/current determined raw gas flow rate, F_PT is the raw gas conditions, F_OP is the specification by the operating staff, F_Age is the ageing status of the adsorbent, and F_Tr is the content of trace components. 13. A method according to claim 12, wherein the calculation of the cycle time of said at least one method step is carried out adaptively, the cycle time of said at least one method step being replaced by a counter state (Counterstate_sp=Cycletime_sp), and the current counter state being established according to the following formula: Counterstate_cu = ∑ i = 0 N F_Load i * F_PT i * F_OP i * F_Age i * F_Tr i * Δ t i - 1 wherein Counterstate_cu denotes the current counter state to be established, Counterstate_sp denotes the counter state configured for the design load, F_Load denotes the load (where Load=predetermined raw gas flow rate/current determined raw gas flow rate), F_PT denotes the raw gas conditions, F_OP denotes the specification by the operating staff and F_Age denotes the ageing status of the adsorbent F_Tr denotes the content of trace components and Δti-1 denotes the time difference between the last and current calculations, and where the cycle end is reached whenever: Counterstate_cu=Counterstate_sp. 14. A method according to claim 12, wherein F_PT, F_OP and F_Age are each 0.5 to 1.5. 15. A method according to claim 13, wherein F_PT, F_OP and F_Age are each 0.5 to 1.5. 16. A method according to claim 12, wherein, in the event of falling below the design load value, besides extending the cycle time of said at least one method step, a modification is carried out on the design value of the temperature of said at least one method step. 17. A method according to claim 12, wherein, in the event of falling below the design load value, besides extending the cycle time of said at least one method step, a modification is carried out on the design value of the mass flows of said at least one method step. 18. A method according to claim 12, wherein, in the event of falling below the design load value, besides extending the cycle time of said at least one method step, a modification is carried out on the design value of the mass flows of said at least one method step. 19. A method for separating a raw gas comprising at least two components by means of a Temperature Swing Adsorption process, said method comprising: at least one adsorption step and at least one regeneration step, the cycle times of the individual method steps being configured for a design load value of said raw gas, wherein the cycle time of at least one method step is extended in the event of a drop below the design load value, and wherein the calculation of the cycle time of said at least one method step is carried out adaptively, the cycle time of said at least one method step being replaced by a counter state (Counterstate_sp=Cycletime_sp), and the current counter state being established according to the following formula: Counterstate_cu = ∑ i = 0 N F_Load i * F_PT i * F_OP i * F_Age i * F_Tr i * Δ t i - 1 wherein Counterstate_cu denotes the current counter state to be established, Counterstate_sp denotes the counter state configured for the design load, F_Load denotes the load (where Load=predetermined raw gas flow rate/current determined raw gas flow rate), F_PT denotes the raw gas conditions, F_OP denotes the specification by the operating staff and F_Age denotes the ageing status of the adsorbent F_Tr denotes the content of trace components and Δti-1 denotes the time difference between the last and current calculations, and where the cycle end is reached whenever: Counterstate_cu=Counterstate_sp. 20. A method according to claim 19, wherein, in the event of falling below the design load value, besides extending the cycle time of said at least one method step, a modification is carried out on the design value of the temperature of said at least one method step.
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