JPH0512638B2 - - Google Patents

Info

Publication number

JPH0512638B2

JPH0512638B2 JP62294694A JP29469487A JPH0512638B2 JP H0512638 B2 JPH0512638 B2 JP H0512638B2 JP 62294694 A JP62294694 A JP 62294694A JP 29469487 A JP29469487 A JP 29469487A JP H0512638 B2 JPH0512638 B2 JP H0512638B2

Authority

JP

Japan

Prior art keywords

liquid nitrogen

nitrogen gas

nitrogen

rectification column

air

Prior art date

1987-11-20

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.)

Expired - Lifetime

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• IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 258
• 239000007788 liquid Substances 0.000 claims description 93
• 229910052757 nitrogen Inorganic materials 0.000 claims description 89
• 229910001873 dinitrogen Inorganic materials 0.000 claims description 80
• 238000004519 manufacturing process Methods 0.000 claims description 22
• 239000007789 gas Substances 0.000 claims description 15
• 238000001816 cooling Methods 0.000 claims description 10
• CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 8
• 229910002092 carbon dioxide Inorganic materials 0.000 claims description 4
• 239000001569 carbon dioxide Substances 0.000 claims description 4
• 230000006835 compression Effects 0.000 claims description 4
• 238000007906 compression Methods 0.000 claims description 4
• 238000000605 extraction Methods 0.000 claims description 3
• 230000020169 heat generation Effects 0.000 claims 1
• 238000001179 sorption measurement Methods 0.000 description 22
• 229910052760 oxygen Inorganic materials 0.000 description 17
• QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 13
• 239000001301 oxygen Substances 0.000 description 13
• 238000010586 diagram Methods 0.000 description 7
• 230000000694 effects Effects 0.000 description 7
• 239000002808 molecular sieve Substances 0.000 description 7
• URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 7
• 238000009835 boiling Methods 0.000 description 6
• OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
• 229910052799 carbon Inorganic materials 0.000 description 5
• 238000010992 reflux Methods 0.000 description 5
• 238000000034 method Methods 0.000 description 4
• 230000001105 regulatory effect Effects 0.000 description 4
• 238000000926 separation method Methods 0.000 description 3
• 230000015556 catabolic process Effects 0.000 description 2
• 239000000498 cooling water Substances 0.000 description 2
• NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 2
• 239000012535 impurity Substances 0.000 description 2
• 238000009434 installation Methods 0.000 description 2
• 238000005192 partition Methods 0.000 description 2
• 238000009834 vaporization Methods 0.000 description 2
• 230000008016 vaporization Effects 0.000 description 2
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
• MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
• 230000002411 adverse Effects 0.000 description 1
• 230000007423 decrease Effects 0.000 description 1
• 230000006866 deterioration Effects 0.000 description 1
• 239000003507 refrigerant Substances 0.000 description 1
• 230000000630 rising effect Effects 0.000 description 1
• 230000003584 silencer Effects 0.000 description 1