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 (fr) | 1985-04-06 | 1986-04-05 | Procede pour le nettoyage des gaz brules |
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 (cg-RX-API-DMAC10.html) | 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 (cg-RX-API-DMAC10.html) |
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 (cg-RX-API-DMAC10.html) * | 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 (cg-RX-API-DMAC10.html) * | 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE69011301T2 (de) | Verfahren zum Entfernen von Schwefeldioxyd aus Rauchgasen. | |
| RU1813111C (ru) | Способ извлечени галли из промышленного раствора алюмината натри процесса Байера | |
| DE69114472T2 (de) | Verfahren zur Entfernung von Schwefeldioxid unter Bildung von Gips und Magnesiumhydroxid. | |
| DE2559546A1 (de) | Verfahren zum abscheiden von stickstoffoxyden und stickstoff- und schwefeloxyden aus abgasen | |
| DE2624358C3 (de) | Verfahren zur Naßwäsche von Abgasen | |
| US4222993A (en) | Removal of noxious contaminants from gas | |
| DE69500717T2 (de) | Magnesium-unterstützte Auswaschung von Schwefeldioxid mit Herstellung von Gips | |
| DE2557560C3 (de) | Verfahren zum gleichzeitigen Entfernen von Stickstoffoxiden und Schwefeldioxid aus Rauchgasen | |
| DE2460010B2 (de) | Verfahren zum Entfernen von Schwefeldioxid aus einem Abgas | |
| DE3523354C2 (cg-RX-API-DMAC10.html) | ||
| DE2415693A1 (de) | Verfahren zum reinigen von rauchgas | |
| DE3517483C2 (cg-RX-API-DMAC10.html) | ||
| DE3515707C2 (cg-RX-API-DMAC10.html) | ||
| EP0238811A1 (de) | Verfahren zum Reinigen von S02-haltigen Rauchgasen | |
| WO1986005709A1 (fr) | Procede pour le nettoyage des gaz brules | |
| DE2356139C3 (de) | Verfahren zum Entfernen von Schwefeldioxid aus Verbrennungsabgasen | |
| DE19847940C2 (de) | Verfahren zur Aufbereitung von magnesiumsulfathaltigen Wässern | |
| WO1986006981A1 (fr) | PROCEDE PERMETTANT L'ELIMINATION SIMULTANEE PAR LAVAGE DE SO2, NOx ET LE CAS ECHEANT D'AUTRES SUBSTANCES NOCIVES CONTENUES DANS LES GAZ DE FUMEE DES INSTALLATIONS DE CHAUFFE ALIMENTEES PAR DES COMBUSTIBLES FOSSILES | |
| DE2524116C2 (de) | Verfahren zur Entfernung von Schwefeloxiden und Stickstoffoxiden aus Abgasen | |
| CA1100122A (en) | Removal of noxious contaminants from gas | |
| DE3223117C2 (cg-RX-API-DMAC10.html) | ||
| DE2707935C2 (de) | Verfahren und Vorrichtung zur Reinigung von Rauchgasen und anderen Abgasen, die Schwefeldioxid enthalten | |
| DE2703157C3 (de) | Verfahren zum Entfernen von Stickstoffoxiden und Schwefeloxiden aus Verbrennungsabgasen | |
| DE3525051C2 (cg-RX-API-DMAC10.html) | ||
| DE3117513A1 (de) | Verfahren und vorrichtung zur behandlung des bei der chemischen reinigung von abwaessern anfallenden schlamms |
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. |
Ref country code: DE Ref document number: 3514407 Format of ref document f/p: P |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8340 | Patent of addition ceased/non-payment of fee of main patent |