DE3523354C2 - - Google Patents
Info
- Publication number
- DE3523354C2 DE3523354C2 DE3523354A DE3523354A DE3523354C2 DE 3523354 C2 DE3523354 C2 DE 3523354C2 DE 3523354 A DE3523354 A DE 3523354A DE 3523354 A DE3523354 A DE 3523354A DE 3523354 C2 DE3523354 C2 DE 3523354C2
- Authority
- DE
- Germany
- Prior art keywords
- stage
- washing
- washing liquid
- iron
- scrubber
- 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
- 238000005406 washing Methods 0.000 claims description 21
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 13
- 229910052742 iron Inorganic materials 0.000 claims description 10
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 claims description 8
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 6
- 229910052602 gypsum Inorganic materials 0.000 claims description 6
- 239000010440 gypsum Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 238000001556 precipitation Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 4
- 230000003647 oxidation Effects 0.000 claims description 4
- 238000007254 oxidation reaction Methods 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 claims description 4
- 239000002351 wastewater Substances 0.000 claims description 4
- 239000001569 carbon dioxide Substances 0.000 claims description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 3
- 239000013522 chelant Substances 0.000 claims description 3
- -1 iron chelate complex Chemical class 0.000 claims description 3
- 235000010216 calcium carbonate Nutrition 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
- 235000011116 calcium hydroxide Nutrition 0.000 claims description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 2
- 239000003546 flue gas Substances 0.000 claims description 2
- WKPSFPXMYGFAQW-UHFFFAOYSA-N iron;hydrate Chemical compound O.[Fe] WKPSFPXMYGFAQW-UHFFFAOYSA-N 0.000 claims description 2
- MGFYIUFZLHCRTH-UHFFFAOYSA-N nitrilotriacetic acid Chemical compound OC(=O)CN(CC(O)=O)CC(O)=O MGFYIUFZLHCRTH-UHFFFAOYSA-N 0.000 claims description 2
- HRZFUMHJMZEROT-UHFFFAOYSA-L sodium disulfite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])(=O)=O HRZFUMHJMZEROT-UHFFFAOYSA-L 0.000 claims description 2
- JVBXVOWTABLYPX-UHFFFAOYSA-L sodium dithionite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])=O JVBXVOWTABLYPX-UHFFFAOYSA-L 0.000 claims description 2
- 235000010262 sodium metabisulphite Nutrition 0.000 claims description 2
- 235000010265 sodium sulphite Nutrition 0.000 claims description 2
- 235000011149 sulphuric acid Nutrition 0.000 claims description 2
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
- B01D53/60—Simultaneously removing sulfur oxides and nitrogen oxides
-
- 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
- B01D53/68—Halogens or halogen compounds
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19853523354 DE3523354A1 (de) | 1985-06-29 | 1985-06-29 | Simultane so(pfeil abwaerts)2(pfeil abwaerts)- und no(pfeil abwaerts)x(pfeil abwaerts)-waschung hinter verbrennungsanlagen bei gleichzeitiger stabilisierung der eisensalzkomplexe in der waschloesung |
| EP86902811A EP0217945A1 (de) | 1985-04-06 | 1986-04-05 | Verfahren zur reinigung von rauchgasen |
| PCT/EP1986/000207 WO1986005709A1 (en) | 1985-04-06 | 1986-04-05 | Process for the cleansing of fumes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19853523354 DE3523354A1 (de) | 1985-06-29 | 1985-06-29 | Simultane so(pfeil abwaerts)2(pfeil abwaerts)- und no(pfeil abwaerts)x(pfeil abwaerts)-waschung hinter verbrennungsanlagen bei gleichzeitiger stabilisierung der eisensalzkomplexe in der waschloesung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3523354A1 DE3523354A1 (de) | 1987-01-08 |
| DE3523354C2 true DE3523354C2 (enrdf_load_stackoverflow) | 1992-05-07 |
Family
ID=6274568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19853523354 Granted DE3523354A1 (de) | 1985-04-06 | 1985-06-29 | Simultane so(pfeil abwaerts)2(pfeil abwaerts)- und no(pfeil abwaerts)x(pfeil abwaerts)-waschung hinter verbrennungsanlagen bei gleichzeitiger stabilisierung der eisensalzkomplexe in der waschloesung |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE3523354A1 (enrdf_load_stackoverflow) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1251900B (de) * | 1967-10-12 | Heinrich Koppers Gesellschaft mit beschrankter Haftung, Essen | Verfahren zur Ent fernung von Stickstoffverbindungen aus Gasen | |
| JPS5210659B2 (enrdf_load_stackoverflow) * | 1973-04-09 | 1977-03-25 | ||
| GB1482643A (en) * | 1973-10-31 | 1977-08-10 | Kureha Chemical Ind Co Ltd | Method for removing oxides of nitrogen from a gas |
| JPS5096478A (enrdf_load_stackoverflow) * | 1973-12-27 | 1975-07-31 | ||
| IT1052507B (it) * | 1974-12-28 | 1981-07-20 | Chisso Corp | Procedimento per rigenerare le soluzioni assorbenti utilizzate per la depurazione di gas di scarico |
-
1985
- 1985-06-29 DE DE19853523354 patent/DE3523354A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3523354A1 (de) | 1987-01-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AF | Is addition to no. |
Ref country code: DE Ref document number: 3514407 Format of ref document f/p: P |
|
| OM8 | Search report available as to paragraph 43 lit. 1 sentence 1 patent law | ||
| OP8 | Request for examination as to paragraph 44 patent law | ||
| AF | Is addition to no. |
Ref country code: DE Ref document number: 3514407 Format of ref document f/p: P |
|
| 8178 | Suspension cancelled | ||
| AF | Is addition to no. |
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|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8340 | Patent of addition ceased/non-payment of fee of main patent |