JPH0227867Y2 - - Google Patents

Info

Publication number

JPH0227867Y2

JPH0227867Y2 JP5323384U JP5323384U JPH0227867Y2 JP H0227867 Y2 JPH0227867 Y2 JP H0227867Y2 JP 5323384 U JP5323384 U JP 5323384U JP 5323384 U JP5323384 U JP 5323384U JP H0227867 Y2 JPH0227867 Y2 JP H0227867Y2

Authority

JP

Japan

Prior art keywords

limestone slurry

absorption tower

slurry

amount

limestone

Prior art date

1984-04-11

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

Links

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• 239000002002 slurry Substances 0.000 claims description 87
• 235000019738 Limestone Nutrition 0.000 claims description 56
• 239000006028 limestone Substances 0.000 claims description 56
• 239000007789 gas Substances 0.000 claims description 47
• 238000010521 absorption reaction Methods 0.000 claims description 45
• CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 42
• 229910002092 carbon dioxide Inorganic materials 0.000 claims description 21
• 239000001569 carbon dioxide Substances 0.000 claims description 18
• 238000006477 desulfuration reaction Methods 0.000 claims description 18
• 230000023556 desulfurization Effects 0.000 claims description 18
• 238000001514 detection method Methods 0.000 claims description 16
• XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 claims description 13
• 229910052815 sulfur oxide Inorganic materials 0.000 claims description 12
• UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 8
• 239000003546 flue gas Substances 0.000 claims description 8
• 150000001875 compounds Chemical class 0.000 claims description 3
• 239000012530 fluid Substances 0.000 description 12
• VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 10
• 238000006243 chemical reaction Methods 0.000 description 7
• 238000006114 decarboxylation reaction Methods 0.000 description 7
• 239000007788 liquid Substances 0.000 description 7
• 238000000034 method Methods 0.000 description 6
• 239000012071 phase Substances 0.000 description 6
• 238000011084 recovery Methods 0.000 description 6
• 238000003756 stirring Methods 0.000 description 6
• 230000005587 bubbling Effects 0.000 description 5
• 229910000019 calcium carbonate Inorganic materials 0.000 description 5
• RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
• 239000006185 dispersion Substances 0.000 description 4
• 238000004090 dissolution Methods 0.000 description 4
• 239000010440 gypsum Substances 0.000 description 4
• 229910052602 gypsum Inorganic materials 0.000 description 4
• 239000011575 calcium Substances 0.000 description 3
• 238000010586 diagram Methods 0.000 description 3
• 239000007791 liquid phase Substances 0.000 description 3
• BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 2
• QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
• 238000005273 aeration Methods 0.000 description 2
• 229910001424 calcium ion Inorganic materials 0.000 description 2
• OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
• GBAOBIBJACZTNA-UHFFFAOYSA-L calcium sulfite Chemical compound [Ca+2].[O-]S([O-])=O GBAOBIBJACZTNA-UHFFFAOYSA-L 0.000 description 2
• 235000010261 calcium sulphite Nutrition 0.000 description 2
• 239000013626 chemical specie Substances 0.000 description 2
• 230000001276 controlling effect Effects 0.000 description 2
• 238000010494 dissociation reaction Methods 0.000 description 2
• 230000005593 dissociations Effects 0.000 description 2
• 230000000694 effects Effects 0.000 description 2
• 230000003647 oxidation Effects 0.000 description 2
• 238000007254 oxidation reaction Methods 0.000 description 2
• IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
• NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
• QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
• 230000015572 biosynthetic process Effects 0.000 description 1
• 230000003139 buffering effect Effects 0.000 description 1
• BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
• 238000007796 conventional method Methods 0.000 description 1
• 238000002425 crystallisation Methods 0.000 description 1
• 230000008025 crystallization Effects 0.000 description 1
• 230000007423 decrease Effects 0.000 description 1
• 229910001873 dinitrogen Inorganic materials 0.000 description 1
• TXKMVPPZCYKFAC-UHFFFAOYSA-N disulfur monoxide Inorganic materials O=S=S TXKMVPPZCYKFAC-UHFFFAOYSA-N 0.000 description 1
• 229910052760 oxygen Inorganic materials 0.000 description 1
• 239000001301 oxygen Substances 0.000 description 1
• 238000010979 pH adjustment Methods 0.000 description 1
• 230000002250 progressing effect Effects 0.000 description 1
• 230000001105 regulatory effect Effects 0.000 description 1
• 239000000126 substance Substances 0.000 description 1
• 229910052717 sulfur Inorganic materials 0.000 description 1
• 239000011593 sulfur Substances 0.000 description 1
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1