JPH0239543Y2 - - Google Patents
Info
- Publication number
- JPH0239543Y2 JPH0239543Y2 JP16442884U JP16442884U JPH0239543Y2 JP H0239543 Y2 JPH0239543 Y2 JP H0239543Y2 JP 16442884 U JP16442884 U JP 16442884U JP 16442884 U JP16442884 U JP 16442884U JP H0239543 Y2 JPH0239543 Y2 JP H0239543Y2
- Authority
- JP
- Japan
- Prior art keywords
- gypsum
- slurry
- flue gas
- gas desulfurization
- cleaning
- 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.)
- Expired
Links
- 229910052602 gypsum Inorganic materials 0.000 claims description 83
- 239000010440 gypsum Substances 0.000 claims description 83
- 239000002002 slurry Substances 0.000 claims description 51
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 238000004140 cleaning Methods 0.000 claims description 18
- 238000006477 desulfuration reaction Methods 0.000 claims description 16
- 230000023556 desulfurization Effects 0.000 claims description 16
- GBAOBIBJACZTNA-UHFFFAOYSA-L calcium sulfite Chemical compound [Ca+2].[O-]S([O-])=O GBAOBIBJACZTNA-UHFFFAOYSA-L 0.000 claims description 15
- 235000010261 calcium sulphite Nutrition 0.000 claims description 15
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 12
- 239000003546 flue gas Substances 0.000 claims description 12
- 238000005406 washing Methods 0.000 claims description 11
- 239000007789 gas Substances 0.000 claims description 10
- 238000004062 sedimentation Methods 0.000 claims description 9
- 230000002745 absorbent Effects 0.000 claims description 7
- 239000002250 absorbent Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 6
- 229910052815 sulfur oxide Inorganic materials 0.000 claims description 6
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 5
- 229910052791 calcium Inorganic materials 0.000 claims description 5
- 239000011575 calcium Substances 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 235000019738 Limestone Nutrition 0.000 description 14
- 238000010521 absorption reaction Methods 0.000 description 14
- 239000006028 limestone Substances 0.000 description 14
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 12
- 239000000428 dust Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 10
- 230000003647 oxidation Effects 0.000 description 9
- 238000007254 oxidation reaction Methods 0.000 description 9
- 239000013078 crystal Substances 0.000 description 8
- 239000012535 impurity Substances 0.000 description 7
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 6
- 238000007796 conventional method Methods 0.000 description 6
- 229910052783 alkali metal Inorganic materials 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- -1 alkali metal salts Chemical class 0.000 description 4
- 230000003197 catalytic effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000000605 extraction Methods 0.000 description 4
- 239000011572 manganese Substances 0.000 description 4
- 229910021645 metal ion Inorganic materials 0.000 description 4
- 239000000292 calcium oxide Substances 0.000 description 3
- 235000012255 calcium oxide Nutrition 0.000 description 3
- 230000018044 dehydration Effects 0.000 description 3
- 238000006297 dehydration reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229940099596 manganese sulfate Drugs 0.000 description 2
- 235000007079 manganese sulphate Nutrition 0.000 description 2
- 239000011702 manganese sulphate Substances 0.000 description 2
- SQQMAOCOWKFBNP-UHFFFAOYSA-L manganese(II) sulfate Chemical compound [Mn+2].[O-]S([O-])(=O)=O SQQMAOCOWKFBNP-UHFFFAOYSA-L 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 238000001878 scanning electron micrograph Methods 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 229910052925 anhydrite Inorganic materials 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 235000010216 calcium carbonate Nutrition 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 235000011116 calcium hydroxide Nutrition 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000012047 saturated solution Substances 0.000 description 1
- 239000011550 stock solution Substances 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical class [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16442884U JPH0239543Y2 (ru) | 1984-10-30 | 1984-10-30 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16442884U JPH0239543Y2 (ru) | 1984-10-30 | 1984-10-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6179633U JPS6179633U (ru) | 1986-05-27 |
JPH0239543Y2 true JPH0239543Y2 (ru) | 1990-10-23 |
Family
ID=30722289
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16442884U Expired JPH0239543Y2 (ru) | 1984-10-30 | 1984-10-30 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0239543Y2 (ru) |
-
1984
- 1984-10-30 JP JP16442884U patent/JPH0239543Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS6179633U (ru) | 1986-05-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5039499A (en) | Process for desulfurization of sulfur dioxide-containing gas streams | |
DK174385B1 (da) | Fremgangsmåde til afsvovling af røggas | |
US5084255A (en) | Sulfur dioxide removal process with gypsum and magnesium hydroxide production | |
EP0434019B1 (en) | Process for removing sulfur dioxide from flue gases | |
DK163868B (da) | Fremgangsmaade til samtidig fjernelse af so2, so3 og stoev fra en roeggas | |
US5308509A (en) | FGD performance enhancement by hydroclone and recycling steps | |
CA2691027C (en) | Method of removing sulfur dioxide from flue gases and treatment of oxidized effluent therefrom | |
US4452766A (en) | Double alkali process for removal of sulfur dioxide from gas streams | |
US5645807A (en) | Magnesium-enhanced sulfur dioxide scrubbing with gypsum formation | |
US3944649A (en) | Multistage process for removing sulfur dioxide from stack gases | |
JPH10504238A (ja) | 石灰石を用いる湿式排煙脱硫プロセス | |
EP0604701B1 (en) | Method of sulfur dioxide removal from gaseous streams with alpha hemihydrate gypsum product formation | |
CN102284238A (zh) | 一种双碱法烟气脱硫工艺 | |
JP3066403B2 (ja) | 煙道ガスからの二酸化イオウ除去方法 | |
JPH0141376B2 (ru) | ||
JPH0239543Y2 (ru) | ||
KR100304323B1 (ko) | 이산화 유황을 함유하는 가스 세정방법 및 장치 | |
US4021202A (en) | Apparatus for removing sulfur dioxide from stack gases | |
US5614158A (en) | Process for removing sulfur dioxide from gases and producing gypsum and purified magnesium hydroxide | |
JPS62225226A (ja) | 湿式排煙脱硫装置 | |
CA2209759A1 (en) | Process for desulfurizing a sulfur-dioxide containing gas | |
JPH0526525B2 (ru) | ||
JP2002336642A (ja) | 湿式排ガス脱硫方法と装置 | |
JPH055528B2 (ru) | ||
JP4192319B2 (ja) | 湿式排煙脱硫方法および湿式排煙脱硫装置 |