DE3735391A1 - Verfahren zur entfernung von no(pfeil abwaerts)x(pfeil abwaerts) und gegebenenfalls so(pfeil abwaerts)2(pfeil abwaerts) aus abgasen - Google Patents
Verfahren zur entfernung von no(pfeil abwaerts)x(pfeil abwaerts) und gegebenenfalls so(pfeil abwaerts)2(pfeil abwaerts) aus abgasenInfo
- Publication number
- DE3735391A1 DE3735391A1 DE19873735391 DE3735391A DE3735391A1 DE 3735391 A1 DE3735391 A1 DE 3735391A1 DE 19873735391 DE19873735391 DE 19873735391 DE 3735391 A DE3735391 A DE 3735391A DE 3735391 A1 DE3735391 A1 DE 3735391A1
- Authority
- DE
- Germany
- Prior art keywords
- exhaust gas
- ozone
- gas
- oxidizing agent
- solution
- 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.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000007789 gas Substances 0.000 title claims description 41
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000000243 solution Substances 0.000 claims abstract description 27
- 239000007800 oxidant agent Substances 0.000 claims abstract description 19
- 239000003513 alkali Substances 0.000 claims abstract description 6
- 230000002378 acidificating effect Effects 0.000 claims abstract description 3
- 230000001590 oxidative effect Effects 0.000 claims abstract 3
- 239000012670 alkaline solution Substances 0.000 claims abstract 2
- 230000003647 oxidation Effects 0.000 claims description 5
- 238000007254 oxidation reaction Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 2
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims 1
- 150000001342 alkaline earth metals Chemical class 0.000 claims 1
- 238000010348 incorporation Methods 0.000 claims 1
- 238000000926 separation method Methods 0.000 abstract description 14
- 230000003134 recirculating effect Effects 0.000 abstract 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 21
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 10
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 9
- 229910017604 nitric acid Inorganic materials 0.000 description 9
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 7
- IOVCWXUNBOPUCH-UHFFFAOYSA-N Nitrous acid Chemical compound ON=O IOVCWXUNBOPUCH-UHFFFAOYSA-N 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- 235000010216 calcium carbonate Nutrition 0.000 description 5
- 229910000019 calcium carbonate Inorganic materials 0.000 description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 4
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- 230000002745 absorbent Effects 0.000 description 3
- 239000002250 absorbent Substances 0.000 description 3
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 3
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052602 gypsum Inorganic materials 0.000 description 2
- 239000010440 gypsum Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 235000010344 sodium nitrate Nutrition 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000010574 gas phase reaction Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 150000002506 iron compounds Chemical class 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- UKLNMMHNWFDKNT-UHFFFAOYSA-M sodium chlorite Chemical compound [Na+].[O-]Cl=O UKLNMMHNWFDKNT-UHFFFAOYSA-M 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- 239000004317 sodium nitrate Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical class [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- B01D53/54—Nitrogen compounds
- B01D53/56—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
- B01D53/60—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)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19873735391 DE3735391A1 (de) | 1987-10-19 | 1987-10-19 | Verfahren zur entfernung von no(pfeil abwaerts)x(pfeil abwaerts) und gegebenenfalls so(pfeil abwaerts)2(pfeil abwaerts) aus abgasen |
| CH3788/88A CH675837A5 (enrdf_load_stackoverflow) | 1987-10-19 | 1988-10-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19873735391 DE3735391A1 (de) | 1987-10-19 | 1987-10-19 | Verfahren zur entfernung von no(pfeil abwaerts)x(pfeil abwaerts) und gegebenenfalls so(pfeil abwaerts)2(pfeil abwaerts) aus abgasen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE3735391A1 true DE3735391A1 (de) | 1989-04-27 |
Family
ID=6338658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19873735391 Withdrawn DE3735391A1 (de) | 1987-10-19 | 1987-10-19 | Verfahren zur entfernung von no(pfeil abwaerts)x(pfeil abwaerts) und gegebenenfalls so(pfeil abwaerts)2(pfeil abwaerts) aus abgasen |
Country Status (2)
| Country | Link |
|---|---|
| CH (1) | CH675837A5 (enrdf_load_stackoverflow) |
| DE (1) | DE3735391A1 (enrdf_load_stackoverflow) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0532207A1 (en) * | 1991-08-29 | 1993-03-17 | Cannon Boiler Works Inc. | A process for removing contaminants from exhaust gas |
| EP1040863A3 (en) * | 1999-03-15 | 2000-10-25 | Cannon Technology, Inc. | Process for removing NOx and SOx from exhaust gas |
| US20230114641A1 (en) * | 2020-03-27 | 2023-04-13 | Messer Se & Co. Kgaa | Method and production plant for producing nitric acid |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4117477A1 (de) * | 1991-05-28 | 1992-12-03 | Beseitigung Von Sondermuell In | Verfahren zur oxidativen nachbehandlung von abgasen |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2459913A1 (de) * | 1973-12-18 | 1975-10-30 | Chiyoda Chem Eng Construct Co | Verfahren zur gleichzeitigen entfernung von so tief x und no tief x aus abgasen |
| DE2717528A1 (de) * | 1976-04-16 | 1977-10-20 | Mitsubishi Heavy Ind Ltd | Verfahren zum reinigen von verbrennungsabgasen |
-
1987
- 1987-10-19 DE DE19873735391 patent/DE3735391A1/de not_active Withdrawn
-
1988
- 1988-10-11 CH CH3788/88A patent/CH675837A5/de not_active IP Right Cessation
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2459913A1 (de) * | 1973-12-18 | 1975-10-30 | Chiyoda Chem Eng Construct Co | Verfahren zur gleichzeitigen entfernung von so tief x und no tief x aus abgasen |
| DE2717528A1 (de) * | 1976-04-16 | 1977-10-20 | Mitsubishi Heavy Ind Ltd | Verfahren zum reinigen von verbrennungsabgasen |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0532207A1 (en) * | 1991-08-29 | 1993-03-17 | Cannon Boiler Works Inc. | A process for removing contaminants from exhaust gas |
| EP1040863A3 (en) * | 1999-03-15 | 2000-10-25 | Cannon Technology, Inc. | Process for removing NOx and SOx from exhaust gas |
| AU768213B2 (en) * | 1999-03-15 | 2003-12-04 | Cannon Technology, Inc | Process for removing NOx and SOx from exhaust gas |
| US20230114641A1 (en) * | 2020-03-27 | 2023-04-13 | Messer Se & Co. Kgaa | Method and production plant for producing nitric acid |
Also Published As
| Publication number | Publication date |
|---|---|
| CH675837A5 (enrdf_load_stackoverflow) | 1990-11-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8139 | Disposal/non-payment of the annual fee |