CA2210340A1 - Separation de gaz par adsorption modulee en pression - Google Patents
Separation de gaz par adsorption modulee en pressionInfo
- Publication number
- CA2210340A1 CA2210340A1 CA002210340A CA2210340A CA2210340A1 CA 2210340 A1 CA2210340 A1 CA 2210340A1 CA 002210340 A CA002210340 A CA 002210340A CA 2210340 A CA2210340 A CA 2210340A CA 2210340 A1 CA2210340 A1 CA 2210340A1
- Authority
- CA
- Canada
- Prior art keywords
- gas
- phase
- adsorbent bed
- depressurization
- adsorbent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
- 239000007789 gas Substances 0.000 title claims abstract description 253
- 238000001179 sorption measurement Methods 0.000 title claims abstract description 92
- 238000000926 separation method Methods 0.000 title description 14
- 239000003463 adsorbent Substances 0.000 claims abstract description 233
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 84
- 238000000034 method Methods 0.000 claims abstract description 59
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 51
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000003345 natural gas Substances 0.000 claims abstract description 40
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 22
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 20
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 20
- 229930195733 hydrocarbon Natural products 0.000 claims description 22
- 150000002430 hydrocarbons Chemical class 0.000 claims description 22
- 239000004215 Carbon black (E152) Substances 0.000 claims description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 17
- 229910052799 carbon Inorganic materials 0.000 claims description 9
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 6
- 239000002808 molecular sieve Substances 0.000 claims description 4
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 4
- 230000001351 cycling effect Effects 0.000 claims 3
- 230000008569 process Effects 0.000 abstract description 33
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 238000010926 purge Methods 0.000 description 5
- 239000011800 void material Substances 0.000 description 4
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 239000002737 fuel gas Substances 0.000 description 3
- 229910052753 mercury Inorganic materials 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000018199 S phase Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000003795 desorption Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000819 phase cycle Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- ZPEZUAAEBBHXBT-WCCKRBBISA-N (2s)-2-amino-3-methylbutanoic acid;2-amino-3-methylbutanoic acid Chemical compound CC(C)C(N)C(O)=O.CC(C)[C@H](N)C(O)=O ZPEZUAAEBBHXBT-WCCKRBBISA-N 0.000 description 1
- 101100272279 Beauveria bassiana Beas gene Proteins 0.000 description 1
- 235000013162 Cocos nucifera Nutrition 0.000 description 1
- 244000060011 Cocos nucifera Species 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 229910000323 aluminium silicate Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 239000012013 faujasite Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/40—Capture or disposal of greenhouse gases of CO2
Landscapes
- Separation Of Gases By Adsorption (AREA)
Abstract
Un flux d'alimentation en gaz naturel contenant des quantités importantes de nitrogène et (ou) de dioxyde de carbone peut être augmenté pour contenir plus de 95 p. 100 par volume de gaz naturel, et de préférence plus d'environ 98 p. 100. Il s'agit que le flux d'alimentation traverse successivement trois lits adsorbants, ces derniers étant cyclés à travers sept étapes comprenant une étape d'adsorption afin qu'un premier gaz soit adsorbé, une première étape de dépressurisation afin de retirer le gaz d'alimentation des vides du lit adsorbant, une étape de recyclage pour enlever un second gaz du lit adsorbant au moyen d'un second gaz de dépressurisation qui traverse le lit et pour produire un gaz de recyclage, une deuxième étape de dépressurisation afin de réduire la pression du lit adsorbant pour atteindre la pression ambiante et pour produire le second gaz de dépressurisation, une étape d'évacuation où la pression dans le lit adsorbant est davantage réduite et le flux d'un gaz produit de gaz primaire enrichi est récupéré, une étape de pressurisation où la pression dans le lit adsorbant est augmentée au moyen d'un gaz de produit secondaire d'un lit se trouvant dans une étape d'adsorption, et une pressurisation accrue du lit adsorbant dans une phase de pressurisation au moyen de l'écoulement des gaz de recyclage et d'alimentation dans le lit adsorbant. Divers gaz peuvent être séparés en utilisant ce procédé. Du nitrogène peut être retiré du gaz naturel (gaz adsorbé), et du dioxyde de carbone (gaz adsorbé) peut être retiré du gaz naturel.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/680,059 US5792239A (en) | 1994-10-21 | 1996-07-15 | Separation of gases by pressure swing adsorption |
| US08/680,059 | 1996-07-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2210340A1 true CA2210340A1 (fr) | 1998-01-15 |
Family
ID=24729478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002210340A Abandoned CA2210340A1 (fr) | 1996-07-15 | 1997-07-15 | Separation de gaz par adsorption modulee en pression |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2210340A1 (fr) |
-
1997
- 1997-07-15 CA CA002210340A patent/CA2210340A1/fr not_active Abandoned
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Discontinued | ||
| FZDE | Discontinued |
Effective date: 20010716 |