JP2007245111A - 空気液化分離における前処理方法及び装置 - Google Patents
空気液化分離における前処理方法及び装置 Download PDFInfo
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- JP2007245111A JP2007245111A JP2006075998A JP2006075998A JP2007245111A JP 2007245111 A JP2007245111 A JP 2007245111A JP 2006075998 A JP2006075998 A JP 2006075998A JP 2006075998 A JP2006075998 A JP 2006075998A JP 2007245111 A JP2007245111 A JP 2007245111A
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- 238000000926 separation method Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title abstract description 70
- 238000007781 pre-processing Methods 0.000 title abstract 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 78
- 238000001179 sorption measurement Methods 0.000 claims abstract description 68
- 230000008929 regeneration Effects 0.000 claims abstract description 49
- 238000011069 regeneration method Methods 0.000 claims abstract description 49
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 39
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 39
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 claims description 174
- 229960001730 nitrous oxide Drugs 0.000 claims description 87
- 235000013842 nitrous oxide Nutrition 0.000 claims description 73
- 239000003463 adsorbent Substances 0.000 claims description 44
- 239000002994 raw material Substances 0.000 claims description 42
- 238000001816 cooling Methods 0.000 claims description 11
- 238000002203 pretreatment Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 abstract 2
- 229910021536 Zeolite Inorganic materials 0.000 description 27
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 27
- 239000010457 zeolite Substances 0.000 description 27
- 239000001272 nitrous oxide Substances 0.000 description 14
- 239000012535 impurity Substances 0.000 description 10
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 9
- 239000007789 gas Substances 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 238000006467 substitution reaction Methods 0.000 description 5
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- -1 moisture Substances 0.000 description 4
- 238000007600 charging Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000006837 decompression Effects 0.000 description 2
- 230000009897 systematic effect Effects 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000006069 physical mixture Substances 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04763—Start-up or control of the process; Details of the apparatus used
- F25J3/04866—Construction and layout of air fractionation equipments, e.g. valves, machines
- F25J3/04969—Retrofitting or revamping of an existing air fractionation unit
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04151—Purification and (pre-)cooling of the feed air; recuperative heat-exchange with product streams
- F25J3/04163—Hot end purification of the feed air
- F25J3/04169—Hot end purification of the feed air by adsorption of the impurities
-
- 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
- Y02C20/10—Capture or disposal of greenhouse gases of nitrous oxide (N2O)
-
- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Separation Of Gases By Adsorption (AREA)
- Separation By Low-Temperature Treatments (AREA)
- Drying Of Gases (AREA)
Abstract
【解決手段】原料空気中の水分、二酸化炭素を吸着除去する一対の第1吸着器11A,11Bの下流側に原料空気中の一酸化二窒素を吸着除去するための一つの第2吸着器12を設け、前記第1吸着器11A,11Bの吸着工程中に、前記第2吸着器12の再生工程と吸着工程とを行う。
【選択図】図1
Description
図1における本発明のプロセスにおいて、原料空気中の水分、二酸化炭素及び一酸化二窒素を除去した例を以下に示す。
比較のために、従来法による一酸化二窒素の除去例を示す。図4に示す装置において、一酸化二窒素を約0.3ppm含む原料空気(流量3850Nm3/h)を、原料空気圧縮機21で約0.6MPaまで昇圧し、アフタークーラー22と冷凍機25とで約15℃に冷却した後、ドレン分離器23でドレンを除去し、吸着工程を行っている吸着器(111A又は111B)に導入する。各吸着器には、下部から活性アルミナ13a、Na−X型ゼオライト13bを前記実施例1の第1吸着器と同量充填し、更にMg−X型ゼオライト13cを積層充填した。
図1に示した装置を用い、一酸化二窒素を約0.3ppm含む原料空気(流量3850Nm3/h)を、原料空気圧縮機21で約0.6MPaまで昇圧し、アフタークーラー22で約40℃まで冷却した後、冷凍機25を用いないでドレンを除去し、吸着工程を行っている第1吸着器(11A又は11B)に導入した。第1吸着器の下部には活性アルミナ13aを、その上部にはNa−X型ゼオライト13bを、それぞれ充填した。
図4に示す装置において、一酸化二窒素を約0.3ppm含む原料空気(流量3850Nm3/h)を、原料空気圧縮機21で約0.6MPaまで昇圧し、アフタークーラー22で約40℃に冷却した後、ドレン分離器23でドレンを除去し、吸着工程を行っている吸着器(111A又は111B)に導入する。各吸着器には、下部から活性アルミナ13a、Na−X型ゼオライト13bを実施例2の第1吸着器と同量充填し、更にMg−X型ゼオライト13cを積層充填した。
Claims (4)
- 空気液化分離における原料空気の前処理方法において、前記原料空気中の水分、二酸化炭素を吸着除去する第1吸着器を設けるとともに、該第1吸着器の下流側に原料空気中の一酸化二窒素を吸着除去するための第2吸着器を設け、前記第1吸着器の吸着工程中に、前記第2吸着器の再生工程と吸着工程とを行うことを特徴とする空気液化分離における前処理方法。
- 前記第1吸着器から導出した原料空気を冷却してから前記第2吸着器に導入することを特徴とする請求項1記載の空気液化分離における前処理方法。
- 空気液化分離における原料空気の前処理装置において、吸着工程と再生工程とを交互に行う複数の第1吸着器と、該第1吸着器の下流側に設けられた一つの第2吸着器とを備え、前記複数の第1吸着器には、前記原料空気中の水分、二酸化炭素を吸着除去する吸着剤をそれぞれ充填し、前記第2吸着器には、原料空気中の一酸化二窒素を吸着除去する吸着剤を充填したことを特徴とする空気液化分離における前処理装置。
- 前記第1吸着器から導出した原料空気を冷却してから前記第2吸着器に導入するための冷却器を設けたことを特徴とする請求項3記載の空気液化分離における前処理装置。
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JP2006075998A JP4719598B2 (ja) | 2006-03-20 | 2006-03-20 | 空気液化分離における前処理方法及び装置 |
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JP4719598B2 JP4719598B2 (ja) | 2011-07-06 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013111776A1 (ja) | 2012-01-23 | 2013-08-01 | Jx日鉱日石エネルギー株式会社 | 燃料供給システム、燃料電池システム、及びそれらの運転方法 |
JP2017080669A (ja) * | 2015-10-27 | 2017-05-18 | 大陽日酸株式会社 | 空気精製装置および空気精製方法 |
WO2024024572A1 (ja) * | 2022-07-26 | 2024-02-01 | 国立研究開発法人物質・材料研究機構 | Co2分離システム |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000279740A (ja) * | 1999-03-31 | 2000-10-10 | Taiyo Nps Kk | 水及び二酸化炭素の含有量を低減した空気を製造する方法、及び、そのための装置、並びに、吸着剤の再生方法 |
JP2001162126A (ja) * | 1999-10-25 | 2001-06-19 | L'air Liquide | ガス精製プロセス及びガス精製装置 |
JP2003275532A (ja) * | 2002-03-01 | 2003-09-30 | Air Products & Chemicals Inc | 亜酸化窒素除去方法及び装置 |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2000279740A (ja) * | 1999-03-31 | 2000-10-10 | Taiyo Nps Kk | 水及び二酸化炭素の含有量を低減した空気を製造する方法、及び、そのための装置、並びに、吸着剤の再生方法 |
JP2001162126A (ja) * | 1999-10-25 | 2001-06-19 | L'air Liquide | ガス精製プロセス及びガス精製装置 |
JP2003275532A (ja) * | 2002-03-01 | 2003-09-30 | Air Products & Chemicals Inc | 亜酸化窒素除去方法及び装置 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013111776A1 (ja) | 2012-01-23 | 2013-08-01 | Jx日鉱日石エネルギー株式会社 | 燃料供給システム、燃料電池システム、及びそれらの運転方法 |
JP2017080669A (ja) * | 2015-10-27 | 2017-05-18 | 大陽日酸株式会社 | 空気精製装置および空気精製方法 |
WO2024024572A1 (ja) * | 2022-07-26 | 2024-02-01 | 国立研究開発法人物質・材料研究機構 | Co2分離システム |
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