JPH0247253B2 - - Google Patents
Info
- Publication number
- JPH0247253B2 JPH0247253B2 JP57176392A JP17639282A JPH0247253B2 JP H0247253 B2 JPH0247253 B2 JP H0247253B2 JP 57176392 A JP57176392 A JP 57176392A JP 17639282 A JP17639282 A JP 17639282A JP H0247253 B2 JPH0247253 B2 JP H0247253B2
- Authority
- JP
- Japan
- Prior art keywords
- acid
- gypsum
- sulfuric acid
- decomposition
- temperature
- 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 - Lifetime
Links
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 52
- 238000000034 method Methods 0.000 claims description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 30
- 229910052602 gypsum Inorganic materials 0.000 claims description 28
- 239000010440 gypsum Substances 0.000 claims description 28
- 239000002253 acid Substances 0.000 claims description 19
- 239000006228 supernatant Substances 0.000 claims description 18
- 239000007789 gas Substances 0.000 claims description 16
- 238000001816 cooling Methods 0.000 claims description 12
- 238000006477 desulfuration reaction Methods 0.000 claims description 12
- 230000023556 desulfurization Effects 0.000 claims description 12
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 10
- 239000003546 flue gas Substances 0.000 claims description 10
- 238000000926 separation method Methods 0.000 claims description 6
- 239000002351 wastewater Substances 0.000 claims description 6
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 238000000354 decomposition reaction Methods 0.000 description 36
- RMGVZKRVHHSUIM-UHFFFAOYSA-N dithionic acid Chemical compound OS(=O)(=O)S(O)(=O)=O RMGVZKRVHHSUIM-UHFFFAOYSA-N 0.000 description 22
- 238000010438 heat treatment Methods 0.000 description 12
- 238000007796 conventional method Methods 0.000 description 10
- FFBHFFJDDLITSX-UHFFFAOYSA-N benzyl N-[2-hydroxy-4-(3-oxomorpholin-4-yl)phenyl]carbamate Chemical compound OC1=C(NC(=O)OCC2=CC=CC=C2)C=CC(=C1)N1CCOCC1=O FFBHFFJDDLITSX-UHFFFAOYSA-N 0.000 description 6
- 239000003245 coal Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000007872 degassing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229920006395 saturated elastomer Polymers 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 239000004071 soot Substances 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- 238000010306 acid treatment Methods 0.000 description 1
- 230000002730 additional effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011508 lime plaster Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 229910052815 sulfur oxide Inorganic materials 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
- Removal Of Specific Substances (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57176392A JPS5966328A (ja) | 1982-10-08 | 1982-10-08 | 排煙脱硫廃水の処理方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57176392A JPS5966328A (ja) | 1982-10-08 | 1982-10-08 | 排煙脱硫廃水の処理方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5966328A JPS5966328A (ja) | 1984-04-14 |
| JPH0247253B2 true JPH0247253B2 (ru) | 1990-10-19 |
Family
ID=16012849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57176392A Granted JPS5966328A (ja) | 1982-10-08 | 1982-10-08 | 排煙脱硫廃水の処理方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5966328A (ru) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5294867A (en) * | 1976-02-06 | 1977-08-09 | Babcock Hitachi Kk | Waste liquid treatment |
| JPS5768197A (en) * | 1980-10-15 | 1982-04-26 | Mitsubishi Heavy Ind Ltd | Treatment of waste water |
-
1982
- 1982-10-08 JP JP57176392A patent/JPS5966328A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5294867A (en) * | 1976-02-06 | 1977-08-09 | Babcock Hitachi Kk | Waste liquid treatment |
| JPS5768197A (en) * | 1980-10-15 | 1982-04-26 | Mitsubishi Heavy Ind Ltd | Treatment of waste water |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5966328A (ja) | 1984-04-14 |
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