DE3540973C2 - - Google Patents
Info
- Publication number
- DE3540973C2 DE3540973C2 DE3540973A DE3540973A DE3540973C2 DE 3540973 C2 DE3540973 C2 DE 3540973C2 DE 3540973 A DE3540973 A DE 3540973A DE 3540973 A DE3540973 A DE 3540973A DE 3540973 C2 DE3540973 C2 DE 3540973C2
- Authority
- DE
- Germany
- Prior art keywords
- iron
- washing
- nox
- chlorine
- waste gases
- 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 claims description 13
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 239000003546 flue gas Substances 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 3
- 229910001854 alkali hydroxide Inorganic materials 0.000 claims description 3
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims description 3
- 239000000460 chlorine Substances 0.000 claims description 3
- 229910052801 chlorine Inorganic materials 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 150000001805 chlorine compounds Chemical class 0.000 claims description 2
- 238000005868 electrolysis reaction Methods 0.000 claims description 2
- -1 iron chelate complex salts Chemical class 0.000 claims 2
- 239000002912 waste gas Substances 0.000 claims 2
- 238000000746 purification Methods 0.000 claims 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 239000007789 gas Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 239000013522 chelant Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000002485 combustion reaction 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
- 235000019253 formic acid Nutrition 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229940079826 hydrogen sulfite Drugs 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N iron (II) ion Substances [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000004313 potentiometry Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000009938 salting Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910001428 transition metal ion Inorganic materials 0.000 description 1
- 239000002351 wastewater 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
- B01D53/60—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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/18—Nature of the water, waste water, sewage or sludge to be treated from the purification of gaseous effluents
-
- 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 |
|---|---|---|---|
| DE19853540973 DE3540973A1 (de) | 1984-12-24 | 1985-11-19 | Simultane so(pfeil abwaerts)2(pfeil abwaerts)- und no(pfeil abwaerts)x(pfeil abwaerts)-abscheidung bei rauchgasen, die mit hohem no(pfeil abwaerts)x(pfeil abwaerts) und hcl belastet sind |
| PCT/EP1986/000572 WO1987002269A1 (en) | 1985-10-11 | 1986-10-08 | Process for simultaneous extraction of so2 and nox contained in waste gases |
| EP86905803A EP0241496A1 (de) | 1985-10-11 | 1986-10-08 | Verfahren zur simultanen so2- und nox-abscheidung aus rauchgasen |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3447425A DE3447425C2 (de) | 1984-12-24 | 1984-12-24 | Verfahren zur Verminderung von Stickstoffoxiden in Rauchgasen |
| DE19853540973 DE3540973A1 (de) | 1984-12-24 | 1985-11-19 | Simultane so(pfeil abwaerts)2(pfeil abwaerts)- und no(pfeil abwaerts)x(pfeil abwaerts)-abscheidung bei rauchgasen, die mit hohem no(pfeil abwaerts)x(pfeil abwaerts) und hcl belastet sind |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3540973A1 DE3540973A1 (de) | 1987-05-21 |
| DE3540973C2 true DE3540973C2 (enrdf_load_stackoverflow) | 1988-06-30 |
Family
ID=25827789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19853540973 Granted DE3540973A1 (de) | 1984-12-24 | 1985-11-19 | Simultane so(pfeil abwaerts)2(pfeil abwaerts)- und no(pfeil abwaerts)x(pfeil abwaerts)-abscheidung bei rauchgasen, die mit hohem no(pfeil abwaerts)x(pfeil abwaerts) und hcl belastet sind |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE3540973A1 (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3921180A1 (de) * | 1989-06-28 | 1991-01-03 | Gsb Ges Zur Beseitigung Von So | Verfahren und anlage zur reinigung von schadstoffhaltigen abgasen unter vermeidung von salzrueckstaenden |
| DE4033489A1 (de) * | 1990-10-20 | 1992-04-23 | Kernforschungsz Karlsruhe | Verfahren zur reinigung von rauchgas |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2695680B2 (ja) * | 1990-06-25 | 1998-01-14 | 三菱重工業株式会社 | 排煙脱硫方法 |
| CN107522297B (zh) * | 2017-09-15 | 2020-06-05 | 北京高能时代环境技术股份有限公司 | 一种利用烟道气进行脱硫废水软化的系统 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2244244C3 (de) * | 1972-09-15 | 1981-07-02 | Dart Industries Inc., 90048 Los Angeles, Calif. | Elektrolytische Verfahren zum Entfernen einer in einer wäßrigen verbrauchten Lösung gelösten verunreinigenden Substanz sowie dazu verwendbare regenerative elektrolytische Zelle |
| DE2353528A1 (de) * | 1972-10-25 | 1974-05-16 | Hitachi Ltd | Verfahren zur behandlung von abgasen |
| US4123339A (en) * | 1975-02-07 | 1978-10-31 | Andco Industries, Inc. | Method and apparatus for electrochemical contaminant removal from liquid media |
| US3941667A (en) * | 1975-03-21 | 1976-03-02 | Friedrich Uhde Gmbh | Method for the reprocessing of cell liquor from diaphragm cell electrolysis plants |
| US4113588A (en) * | 1976-03-09 | 1978-09-12 | Solex Research Corporation Of Japan | Process for recovery of waste H2 SO4 and HCl |
| DD131041A1 (de) * | 1977-01-31 | 1978-05-24 | Elisabeth Gerber | Verfahren zur aufbereitung von eisenchlorid-salzsaeureloesung |
| ZM2281A1 (en) * | 1980-03-17 | 1981-12-21 | Nat Res Dev | Anode-assisted action reduction |
-
1985
- 1985-11-19 DE DE19853540973 patent/DE3540973A1/de active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3921180A1 (de) * | 1989-06-28 | 1991-01-03 | Gsb Ges Zur Beseitigung Von So | Verfahren und anlage zur reinigung von schadstoffhaltigen abgasen unter vermeidung von salzrueckstaenden |
| DE4033489A1 (de) * | 1990-10-20 | 1992-04-23 | Kernforschungsz Karlsruhe | Verfahren zur reinigung von rauchgas |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3540973A1 (de) | 1987-05-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AF | Is addition to no. |
Ref country code: DE Ref document number: 3447425 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: 3447425 Format of ref document f/p: P |
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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 |