JP4648180B2 - 二酸化炭素の液化方法 - Google Patents
二酸化炭素の液化方法 Download PDFInfo
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- JP4648180B2 JP4648180B2 JP2005361832A JP2005361832A JP4648180B2 JP 4648180 B2 JP4648180 B2 JP 4648180B2 JP 2005361832 A JP2005361832 A JP 2005361832A JP 2005361832 A JP2005361832 A JP 2005361832A JP 4648180 B2 JP4648180 B2 JP 4648180B2
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- Prior art keywords
- carbon dioxide
- gas
- containing gas
- partial pressure
- refrigerant
- 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.)
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims description 242
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims description 121
- 239000001569 carbon dioxide Substances 0.000 title claims description 121
- 238000000034 method Methods 0.000 title claims description 14
- 239000007789 gas Substances 0.000 claims description 69
- 239000003507 refrigerant Substances 0.000 claims description 20
- 239000007788 liquid Substances 0.000 claims description 18
- 239000003949 liquefied natural gas Substances 0.000 claims description 17
- 238000001816 cooling Methods 0.000 claims description 11
- 229910052739 hydrogen Inorganic materials 0.000 description 19
- 239000001257 hydrogen Substances 0.000 description 19
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 18
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000007711 solidification Methods 0.000 description 7
- 230000008023 solidification Effects 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000006011 modification reaction Methods 0.000 description 4
- 230000008016 vaporization Effects 0.000 description 4
- 239000002994 raw material Substances 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
- 239000005977 Ethylene Substances 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- KYKAJFCTULSVSH-UHFFFAOYSA-N chloro(fluoro)methane Chemical compound F[C]Cl KYKAJFCTULSVSH-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005504 petroleum refining Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000000629 steam reforming Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000009834 vaporization Methods 0.000 description 2
- 239000006200 vaporizer Substances 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Carbon And Carbon Compounds (AREA)
Description
a)二酸化炭素分圧が1MPa以上である二酸化炭素含有ガスを用意する工程;
b)工程aで用意した二酸化炭素含有ガスを冷媒により冷却して、該二酸化炭素含有ガス中の二酸化炭素を液化する工程;
c)工程bから得られる、液化二酸化炭素を含む二酸化炭素含有ガスを、ジャケットを有する気液分離器を用いて気液分離し、この際該ジャケットに工程bから得られる冷媒を供給することにより該気液分離器を冷却する工程、
d)工程cから得られる冷媒を、液化天然ガスにより冷却する工程
を有する二酸化炭素の液化方法が提供される。
前記二酸化炭素分圧が1MPa以上である二酸化炭素含有ガスを用意するために、供給される二酸化炭素含有ガスを昇圧する昇圧機を用い、供給される二酸化炭素含有ガスの濃度と圧力を検出し、該濃度および圧力から二酸化炭素分圧を算出し、算出した二酸化炭素分圧と1MPaとの比較に基づいて昇圧機を制御することができる。
2 乾燥器
3 原料ガス冷却器
4 液化炭酸ガスドラム
5 冷媒冷却器
Claims (2)
- 二酸化炭素含有ガス中の二酸化炭素を、液化天然ガスの冷熱を利用して冷却して液化する二酸化炭素の液化方法であって、
a)二酸化炭素分圧が1MPa以上である二酸化炭素含有ガスを用意する工程;
b)工程aで用意した二酸化炭素含有ガスを冷媒により冷却して、該二酸化炭素含有ガス中の二酸化炭素を液化する工程;
c)工程bから得られる、液化二酸化炭素を含む二酸化炭素含有ガスを、ジャケットを有する気液分離器を用いて気液分離し、この際該ジャケットに工程bから得られる冷媒を供給することにより該気液分離器を冷却する工程、
d)工程cから得られる冷媒を、液化天然ガスにより冷却する工程
を有する二酸化炭素の液化方法。 - 前記二酸化炭素分圧が1MPa以上である二酸化炭素含有ガスを用意するために、供給される二酸化炭素含有ガスを昇圧する昇圧機を用い、供給される二酸化炭素含有ガスの濃度と圧力を検出し、該濃度および圧力から二酸化炭素分圧を算出し、算出した二酸化炭素分圧と1MPaとの比較に基づいて昇圧機を制御する請求項1記載の方法。
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JP2005361832A JP4648180B2 (ja) | 2005-12-15 | 2005-12-15 | 二酸化炭素の液化方法 |
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JP2005361832A JP4648180B2 (ja) | 2005-12-15 | 2005-12-15 | 二酸化炭素の液化方法 |
Publications (2)
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JP2007163070A JP2007163070A (ja) | 2007-06-28 |
JP4648180B2 true JP4648180B2 (ja) | 2011-03-09 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI335971B (en) * | 2007-11-02 | 2011-01-11 | Metal Ind Res & Dev Ct | Co2 source providing device |
KR102376275B1 (ko) * | 2015-05-15 | 2022-03-18 | 대우조선해양 주식회사 | 천연가스의 이산화탄소 분리 시스템 및 방법 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003161574A (ja) * | 2001-11-28 | 2003-06-06 | Mitsubishi Chemicals Corp | 液化天然ガスの冷熱利用システム |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54153794A (en) * | 1978-05-25 | 1979-12-04 | Showa Tansan Kk | Manufacture of liquefied carbonic acid from low concentration carbon dioxide gas |
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Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2003161574A (ja) * | 2001-11-28 | 2003-06-06 | Mitsubishi Chemicals Corp | 液化天然ガスの冷熱利用システム |
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