DE3515707C2 - - Google Patents
Info
- Publication number
- DE3515707C2 DE3515707C2 DE3515707A DE3515707A DE3515707C2 DE 3515707 C2 DE3515707 C2 DE 3515707C2 DE 3515707 A DE3515707 A DE 3515707A DE 3515707 A DE3515707 A DE 3515707A DE 3515707 C2 DE3515707 C2 DE 3515707C2
- Authority
- DE
- Germany
- Prior art keywords
- stage
- washing
- washing liquid
- iron
- wash
- 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 19
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 11
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 claims description 10
- 229910052742 iron Inorganic materials 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 230000003647 oxidation Effects 0.000 claims description 5
- 238000007254 oxidation reaction Methods 0.000 claims description 5
- 235000010265 sodium sulphite Nutrition 0.000 claims description 5
- 239000003546 flue gas Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 3
- JVBXVOWTABLYPX-UHFFFAOYSA-L sodium dithionite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])=O JVBXVOWTABLYPX-UHFFFAOYSA-L 0.000 claims description 3
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 3
- 235000011152 sodium sulphate Nutrition 0.000 claims description 3
- 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
- 239000013522 chelant Substances 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
- 235000010262 sodium metabisulphite Nutrition 0.000 claims description 2
- 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 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims 3
- 229910052602 gypsum Inorganic materials 0.000 claims 3
- 239000010440 gypsum Substances 0.000 claims 3
- 238000001556 precipitation Methods 0.000 claims 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims 2
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims 2
- 239000002351 wastewater Substances 0.000 claims 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- 235000010216 calcium carbonate Nutrition 0.000 claims 1
- 229910000019 calcium carbonate Inorganic materials 0.000 claims 1
- WKPSFPXMYGFAQW-UHFFFAOYSA-N iron;hydrate Chemical compound O.[Fe] WKPSFPXMYGFAQW-UHFFFAOYSA-N 0.000 claims 1
- MGFYIUFZLHCRTH-UHFFFAOYSA-N nitrilotriacetic acid Chemical compound OC(=O)CN(CC(O)=O)CC(O)=O MGFYIUFZLHCRTH-UHFFFAOYSA-N 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 235000011149 sulphuric acid Nutrition 0.000 claims 1
- 239000003638 chemical reducing agent Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- GRWZHXKQBITJKP-UHFFFAOYSA-L dithionite(2-) Chemical compound [O-]S(=O)S([O-])=O GRWZHXKQBITJKP-UHFFFAOYSA-L 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 239000011975 tartaric acid 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
- B01D53/68—Halogens or halogen compounds
-
- 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
-
- 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)
- Gas Separation By Absorption (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19853515707 DE3515707A1 (de) | 1985-05-02 | 1985-05-02 | Ein- und/oder mehrstufiges hcl-, so(pfeil abwaerts)2(pfeil abwaerts)- und no(pfeil abwaerts)x(pfeil abwaerts)-waschverfahren fuer die rauchgasreinigung vorzugsweise hinter fossilen kraftwerken |
| PCT/EP1986/000207 WO1986005709A1 (fr) | 1985-04-06 | 1986-04-05 | Procede pour le nettoyage des gaz brules |
| EP86902811A EP0217945A1 (de) | 1985-04-06 | 1986-04-05 | Verfahren zur reinigung von rauchgasen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19853515707 DE3515707A1 (de) | 1985-05-02 | 1985-05-02 | Ein- und/oder mehrstufiges hcl-, so(pfeil abwaerts)2(pfeil abwaerts)- und no(pfeil abwaerts)x(pfeil abwaerts)-waschverfahren fuer die rauchgasreinigung vorzugsweise hinter fossilen kraftwerken |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3515707A1 DE3515707A1 (de) | 1986-11-06 |
| DE3515707C2 true DE3515707C2 (cg-RX-API-DMAC7.html) | 1992-12-03 |
Family
ID=6269586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19853515707 Granted DE3515707A1 (de) | 1985-04-06 | 1985-05-02 | Ein- und/oder mehrstufiges hcl-, so(pfeil abwaerts)2(pfeil abwaerts)- und no(pfeil abwaerts)x(pfeil abwaerts)-waschverfahren fuer die rauchgasreinigung vorzugsweise hinter fossilen kraftwerken |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE3515707A1 (cg-RX-API-DMAC7.html) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5096478A (cg-RX-API-DMAC7.html) * | 1973-12-27 | 1975-07-31 |
-
1985
- 1985-05-02 DE DE19853515707 patent/DE3515707A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3515707A1 (de) | 1986-11-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2619145C3 (de) | Verfahren zum Abscheiden von Stickstoffoxiden oder von Stickstoffoxiden und Schwefeloxiden aus Abgasen | |
| DE2451274C3 (de) | Verfahren zur Entfernung von Stickoxiden aus Abgasen | |
| DE2554584C3 (cg-RX-API-DMAC7.html) | ||
| DE2559546B2 (de) | Verfahren zum Abscheiden von Stickstoffoxiden oder von Stickstoffoxiden und Schwefeloxiden aus Abgasen | |
| DE69011301T2 (de) | Verfahren zum Entfernen von Schwefeldioxyd aus Rauchgasen. | |
| DE69110202T2 (de) | Verfahren zur Entschwefelung von Rauchgasen. | |
| DE69201915T2 (de) | Abgas-Entschwefelungsverfahren. | |
| DE2735566A1 (de) | Verfahren zum entfernen von fluorverbindungen und schwefeldioxid aus abgasen | |
| DE3515707C2 (cg-RX-API-DMAC7.html) | ||
| DE3310716C2 (de) | Verfahren zur absorptiven Entfernung von HCL und SO↓2↓ aus Rauchgas | |
| WO1986005709A1 (fr) | Procede pour le nettoyage des gaz brules | |
| DE3523354C2 (cg-RX-API-DMAC7.html) | ||
| DE2726257C2 (de) | Verfahren zur Entschwefelung von Schwefeloxide enthaltenden Abgasen | |
| DE3517483C2 (cg-RX-API-DMAC7.html) | ||
| 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 | |
| DE60118867T2 (de) | Verfahren zur Regenerierung einer redox-katalytischen Lösung, beinhaltend die Bestimmung des Sauerstoffgehaltes des Abwassers und dessen Verwendung zur Entschwefelung | |
| DE3223117C2 (cg-RX-API-DMAC7.html) | ||
| DE3504157C2 (cg-RX-API-DMAC7.html) | ||
| DE3512500A1 (de) | Mehrstufiges hci, so(pfeil abwaerts)2(pfeil abwaerts) und no(pfeil abwaerts)x(pfeil abwaerts)-waschverfahren fuer rauchgasreinigung vorzugsweise hinter fossilen kraftwerken | |
| DE3505488C2 (de) | Verfahren zur NO↓x↓-Abscheidung aus Rauchgasen | |
| DE2707935C2 (de) | Verfahren und Vorrichtung zur Reinigung von Rauchgasen und anderen Abgasen, die Schwefeldioxid enthalten | |
| DE3409526C2 (de) | Verfahren zur Abscheidung von Stickoxyden aus dem Rauchgas von Verbrennungsanlagen | |
| DE3514407C2 (cg-RX-API-DMAC7.html) | ||
| DE2703157C3 (de) | Verfahren zum Entfernen von Stickstoffoxiden und Schwefeloxiden aus Verbrennungsabgasen | |
| DE19847940A1 (de) | Verfahren zur Aufbereitung von magnesiumsulfathaltigen Wässern |
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 | ||
| 8176 | Proceedings suspended because of application no: |
Ref document number: 3514407 Country of ref document: DE Format of ref document f/p: P |
|
| 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 |