DE2800994C2 - Verfahren zur Verkürzung der Oxidation der beim SO↓2↓-Waschprozeß anfallenden CaSO↓3↓-Schlämme - Google Patents
Verfahren zur Verkürzung der Oxidation der beim SO↓2↓-Waschprozeß anfallenden CaSO↓3↓-SchlämmeInfo
- Publication number
- DE2800994C2 DE2800994C2 DE19782800994 DE2800994A DE2800994C2 DE 2800994 C2 DE2800994 C2 DE 2800994C2 DE 19782800994 DE19782800994 DE 19782800994 DE 2800994 A DE2800994 A DE 2800994A DE 2800994 C2 DE2800994 C2 DE 2800994C2
- Authority
- DE
- Germany
- Prior art keywords
- darr
- washing liquid
- calcium
- gas
- weight
- 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
- 238000005406 washing Methods 0.000 title claims description 20
- 238000000034 method Methods 0.000 title claims description 6
- 230000003647 oxidation Effects 0.000 title description 6
- 238000007254 oxidation reaction Methods 0.000 title description 6
- 238000004904 shortening Methods 0.000 title 1
- 239000010802 sludge Substances 0.000 title 1
- 239000007788 liquid Substances 0.000 claims description 19
- 239000007789 gas Substances 0.000 claims description 13
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 8
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 7
- 239000001110 calcium chloride Substances 0.000 claims description 7
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 7
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 6
- 150000003839 salts Chemical class 0.000 claims description 6
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 4
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 4
- 239000004291 sulphur dioxide Substances 0.000 claims description 4
- 235000010269 sulphur dioxide Nutrition 0.000 claims description 4
- 239000003546 flue gas Substances 0.000 claims description 3
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims description 2
- 239000000654 additive Substances 0.000 claims description 2
- 230000000996 additive effect Effects 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 2
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 2
- 239000000920 calcium hydroxide Substances 0.000 claims description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 2
- 229910001424 calcium ion Inorganic materials 0.000 claims description 2
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 2
- 239000000292 calcium oxide Substances 0.000 claims description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 2
- 239000001175 calcium sulphate Substances 0.000 claims description 2
- 235000011132 calcium sulphate Nutrition 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 2
- 239000011707 mineral Substances 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000005201 scrubbing Methods 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 description 1
- GBAOBIBJACZTNA-UHFFFAOYSA-L calcium sulfite Chemical compound [Ca+2].[O-]S([O-])=O GBAOBIBJACZTNA-UHFFFAOYSA-L 0.000 description 1
- 239000004295 calcium sulphite Substances 0.000 description 1
- 235000010261 calcium sulphite Nutrition 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
- B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
-
- 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)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Biomedical Technology (AREA)
- Treating Waste Gases (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19782800994 DE2800994C2 (de) | 1978-01-11 | 1978-01-11 | Verfahren zur Verkürzung der Oxidation der beim SO↓2↓-Waschprozeß anfallenden CaSO↓3↓-Schlämme |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19782800994 DE2800994C2 (de) | 1978-01-11 | 1978-01-11 | Verfahren zur Verkürzung der Oxidation der beim SO↓2↓-Waschprozeß anfallenden CaSO↓3↓-Schlämme |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2800994A1 DE2800994A1 (de) | 1979-07-19 |
| DE2800994C2 true DE2800994C2 (de) | 1989-08-31 |
Family
ID=6029279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19782800994 Expired DE2800994C2 (de) | 1978-01-11 | 1978-01-11 | Verfahren zur Verkürzung der Oxidation der beim SO↓2↓-Waschprozeß anfallenden CaSO↓3↓-Schlämme |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE2800994C2 (hu) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5558848A (en) * | 1993-08-20 | 1996-09-24 | Moser; Robert E. | Clear liquid acid flue gas desulfurization system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2532373C3 (de) * | 1975-07-19 | 1983-12-08 | Hölter, Heinz, Dipl.-Ing., 4390 Gladbeck | Verfahren und Vorrichtung zum Reinigen von Rauchgasen und anderen Abgasen, die Schwefeldioxyd enthalten |
| US4022869A (en) * | 1974-11-15 | 1977-05-10 | Kureha Kagaku Kogyo Kabushiki Kaisha | Method for removing hydrogen chloride from exhaust gas containing same |
-
1978
- 1978-01-11 DE DE19782800994 patent/DE2800994C2/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2800994A1 (de) | 1979-07-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AF | Is addition to no. |
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| 8110 | Request for examination paragraph 44 | ||
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| D2 | Grant after examination | ||
| 8363 | Opposition against the patent | ||
| 8366 | Restricted maintained after opposition proceedings | ||
| 8305 | Restricted maintenance of patent after opposition | ||
| AF | Is addition to no. |
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| D4 | Patent maintained restricted |