CH675837A5 - - Google Patents
Download PDFInfo
- Publication number
- CH675837A5 CH675837A5 CH3788/88A CH378888A CH675837A5 CH 675837 A5 CH675837 A5 CH 675837A5 CH 3788/88 A CH3788/88 A CH 3788/88A CH 378888 A CH378888 A CH 378888A CH 675837 A5 CH675837 A5 CH 675837A5
- Authority
- CH
- Switzerland
- Prior art keywords
- nox
- exhaust gas
- ozone
- gas
- oxidizing agent
- Prior art date
Links
- 239000007789 gas Substances 0.000 claims description 42
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 25
- 239000000243 solution Substances 0.000 claims description 25
- 239000007800 oxidant agent Substances 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 14
- 230000003647 oxidation Effects 0.000 claims description 5
- 238000007254 oxidation reaction Methods 0.000 claims description 5
- 239000003513 alkali Substances 0.000 claims description 4
- 230000002378 acidificating effect Effects 0.000 claims description 2
- 239000012670 alkaline solution Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 238000010348 incorporation Methods 0.000 claims 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 27
- 238000000926 separation method Methods 0.000 description 16
- 238000006243 chemical reaction Methods 0.000 description 7
- 229910001868 water Inorganic materials 0.000 description 7
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 229910017604 nitric acid Inorganic materials 0.000 description 6
- 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
- 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
- 239000007864 aqueous solution Substances 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
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 241000549556 Nanos Species 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-N Nitrous acid Chemical compound ON=O IOVCWXUNBOPUCH-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 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
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000008021 deposition 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
- 230000001590 oxidative effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 235000010344 sodium nitrate Nutrition 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
- 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)
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 |
|---|---|
| CH675837A5 true CH675837A5 (enrdf_load_stackoverflow) | 1990-11-15 |
Family
ID=6338658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH3788/88A CH675837A5 (enrdf_load_stackoverflow) | 1987-10-19 | 1988-10-11 |
Country Status (2)
| Country | Link |
|---|---|
| CH (1) | CH675837A5 (enrdf_load_stackoverflow) |
| DE (1) | DE3735391A1 (enrdf_load_stackoverflow) |
Cited By (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 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5206002A (en) * | 1991-08-29 | 1993-04-27 | Cannon Boiler Works, Inc. | Process for removing nox and sox from exhaust gas |
| US6162409A (en) * | 1999-03-15 | 2000-12-19 | Arthur P. Skelley | Process for removing Nox and Sox from exhaust gas |
| DE102020002008A1 (de) * | 2020-03-27 | 2021-09-30 | Messer Group Gmbh | Verfahren und Produktionsanlage zum Herstellen von Salpetersäure |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5643771B2 (enrdf_load_stackoverflow) * | 1973-12-18 | 1981-10-15 | ||
| JPS52126672A (en) * | 1976-04-16 | 1977-10-24 | Mitsubishi Heavy Ind Ltd | Cleaning of burned and exhausted gas |
-
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
Cited By (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 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3735391A1 (de) | 1989-04-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2619145C3 (de) | Verfahren zum Abscheiden von Stickstoffoxiden oder von Stickstoffoxiden und Schwefeloxiden aus Abgasen | |
| DE2215177C3 (de) | Verfahren zur Behandlung von schwefeldioxid enthalteden Abgasen | |
| DE2459913C2 (de) | Verfahren zur Entfernung von SO↓x↓ und NO↓x↓ aus Abgasen | |
| DE2445445C3 (de) | Verfahren zum Entfernen von Schwefeldioxid aus Verbrennungsabgasen | |
| DE2460231A1 (de) | Verfahren zum entfernen von stickstoffoxiden aus industriellen abgasen und dafuer geeignete waessrige behandlungsloesungen | |
| DE2459897B2 (de) | Verfahren zur Entschwefelung von schwefelwasserstoffhaltigen Gasen | |
| DE2512883A1 (de) | Verfahren zur nassbehandlung von abgasen | |
| DE2346000A1 (de) | Verfahren zur entfernung von stickstoffoxiden aus fabriksabgasen | |
| DE2625005B2 (de) | Verfahren zur Entfernung von Stickstoffdioxid aus Abgasen | |
| CH675837A5 (enrdf_load_stackoverflow) | ||
| DE2502079C3 (de) | Verfahren zum Entfernen von Schwefeldioxid aus Verbrennungsabgasen | |
| DE2249874B2 (de) | Verfahren zum Entfernen von Schwefeldioxid aus Verbrennungsabgasen | |
| DE2524115A1 (de) | Verfahren zur nassaufbereitung von abgasen | |
| EP0252329B1 (de) | Verfahren zum Entfernen von Stickoxyden aus Abgasen | |
| DE2524116C2 (de) | Verfahren zur Entfernung von Schwefeloxiden und Stickstoffoxiden aus Abgasen | |
| DE2726257C2 (de) | Verfahren zur Entschwefelung von Schwefeloxide enthaltenden Abgasen | |
| DE3433396C2 (de) | Verfahren zur Entschwefelung von Abgas | |
| DE3507718C2 (enrdf_load_stackoverflow) | ||
| EP0912441B1 (de) | VERFAHREN ZUM ENTFERNEN VON NO x? AUS NITROSYL-SCHWEFELSÄURE | |
| DE2907600A1 (de) | Verfahren zum abtrennen von schwefeloxiden aus abgasen | |
| EP0292823A2 (de) | Verfahren zur NO-Rückgewinnung aus dem bei der Ammoniumnitritherstellung anfallenden Abgas | |
| DE2629181C3 (de) | Verfahren zum gleichzeitigen Entfernen von Stickstoff- und Schwefeloxiden aus Abgasen | |
| DE19527836A1 (de) | Verfahren zum Abtrennen von Schwefeldioxid aus Abgas | |
| AT392737B (de) | Verfahren zur entfernung von stickoxiden aus gasen | |
| DE3640119C1 (en) | Process for treating a gas stream containing nitrogen oxides |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |