JPS6255891B2 - - Google Patents
Info
- Publication number
- JPS6255891B2 JPS6255891B2 JP58186388A JP18638883A JPS6255891B2 JP S6255891 B2 JPS6255891 B2 JP S6255891B2 JP 58186388 A JP58186388 A JP 58186388A JP 18638883 A JP18638883 A JP 18638883A JP S6255891 B2 JPS6255891 B2 JP S6255891B2
- Authority
- JP
- Japan
- Prior art keywords
- type hemihydrate
- hemihydrate gypsum
- reactor
- flue gas
- gypsum
- 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
- ZOMBKNNSYQHRCA-UHFFFAOYSA-J calcium sulfate hemihydrate Chemical compound O.[Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZOMBKNNSYQHRCA-UHFFFAOYSA-J 0.000 claims description 37
- 239000002002 slurry Substances 0.000 claims description 31
- 238000006477 desulfuration reaction Methods 0.000 claims description 27
- 230000023556 desulfurization Effects 0.000 claims description 27
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 17
- 239000003546 flue gas Substances 0.000 claims description 17
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims description 16
- 239000010440 gypsum Substances 0.000 claims description 15
- 229910052602 gypsum Inorganic materials 0.000 claims description 15
- 238000007254 oxidation reaction Methods 0.000 claims description 12
- 150000004683 dihydrates Chemical class 0.000 claims description 11
- 230000003647 oxidation Effects 0.000 claims description 11
- 230000002745 absorbent Effects 0.000 claims description 9
- 239000002250 absorbent Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 229910052943 magnesium sulfate Inorganic materials 0.000 claims description 8
- 235000019341 magnesium sulphate Nutrition 0.000 claims description 8
- 229940043430 calcium compound Drugs 0.000 claims description 6
- 150000001674 calcium compounds Chemical class 0.000 claims description 6
- 150000002681 magnesium compounds Chemical class 0.000 claims description 3
- 239000006227 byproduct Substances 0.000 claims 2
- 239000007788 liquid Substances 0.000 description 18
- 238000006243 chemical reaction Methods 0.000 description 9
- 238000010521 absorption reaction Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000003607 modifier Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000013078 crystal Substances 0.000 description 4
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 3
- 239000000920 calcium hydroxide Substances 0.000 description 3
- 235000011116 calcium hydroxide Nutrition 0.000 description 3
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 3
- 239000007789 gas 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
- 239000012530 fluid Substances 0.000 description 2
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 2
- 239000000347 magnesium hydroxide Substances 0.000 description 2
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000012452 mother liquor Substances 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000006228 supernatant Substances 0.000 description 2
- 239000002562 thickening agent Substances 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910019440 Mg(OH) Inorganic materials 0.000 description 1
- 241001653678 Russula emetica Species 0.000 description 1
- 238000010793 Steam injection (oil industry) Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- GBAOBIBJACZTNA-UHFFFAOYSA-L calcium sulfite Chemical compound [Ca+2].[O-]S([O-])=O GBAOBIBJACZTNA-UHFFFAOYSA-L 0.000 description 1
- 235000010261 calcium sulphite Nutrition 0.000 description 1
- 239000012295 chemical reaction liquid Substances 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- JESHZQPNPCJVNG-UHFFFAOYSA-L magnesium;sulfite Chemical compound [Mg+2].[O-]S([O-])=O JESHZQPNPCJVNG-UHFFFAOYSA-L 0.000 description 1
- 231100000957 no side effect Toxicity 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/46—Sulfates
- C01F11/464—Sulfates of Ca from gases containing sulfur oxides
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Treating Waste Gases (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58186388A JPS6078621A (ja) | 1983-10-05 | 1983-10-05 | α型半水石こうの副生を伴う排煙脱硫方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58186388A JPS6078621A (ja) | 1983-10-05 | 1983-10-05 | α型半水石こうの副生を伴う排煙脱硫方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6078621A JPS6078621A (ja) | 1985-05-04 |
| JPS6255891B2 true JPS6255891B2 (enrdf_load_stackoverflow) | 1987-11-21 |
Family
ID=16187514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58186388A Granted JPS6078621A (ja) | 1983-10-05 | 1983-10-05 | α型半水石こうの副生を伴う排煙脱硫方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6078621A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH048395U (enrdf_load_stackoverflow) * | 1990-05-11 | 1992-01-24 |
-
1983
- 1983-10-05 JP JP58186388A patent/JPS6078621A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH048395U (enrdf_load_stackoverflow) * | 1990-05-11 | 1992-01-24 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6078621A (ja) | 1985-05-04 |
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