GB1523726A - Process for removing no from a flue gas by selective reduction with - Google Patents
Process for removing no from a flue gas by selective reduction withInfo
- Publication number
- GB1523726A GB1523726A GB4150574A GB4150574A GB1523726A GB 1523726 A GB1523726 A GB 1523726A GB 4150574 A GB4150574 A GB 4150574A GB 4150574 A GB4150574 A GB 4150574A GB 1523726 A GB1523726 A GB 1523726A
- Authority
- GB
- United Kingdom
- Prior art keywords
- ammonia
- flue gas
- catalyst
- sept
- nitrogen oxides
- 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
- 239000003546 flue gas Substances 0.000 title abstract 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title abstract 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 8
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 abstract 5
- 229910021529 ammonia Inorganic materials 0.000 abstract 4
- 239000003054 catalyst Substances 0.000 abstract 3
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 abstract 2
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 abstract 2
- 150000003467 sulfuric acid derivatives Chemical class 0.000 abstract 2
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 abstract 1
- -1 C1A Nitrogen oxides Chemical class 0.000 abstract 1
- PQUCIEFHOVEZAU-UHFFFAOYSA-N Diammonium sulfite Chemical compound [NH4+].[NH4+].[O-]S([O-])=O PQUCIEFHOVEZAU-UHFFFAOYSA-N 0.000 abstract 1
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 abstract 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 abstract 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 1
- 235000012501 ammonium carbonate Nutrition 0.000 abstract 1
- 239000001099 ammonium carbonate Substances 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 abstract 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- 239000004202 carbamide Substances 0.000 abstract 1
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical group [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 abstract 1
- 239000007789 gas Substances 0.000 abstract 1
- 235000010299 hexamethylene tetramine Nutrition 0.000 abstract 1
- 239000004312 hexamethylene tetramine Substances 0.000 abstract 1
- 238000002347 injection Methods 0.000 abstract 1
- 239000007924 injection Substances 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 229960004011 methenamine Drugs 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 239000001301 oxygen Substances 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 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
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8621—Removing nitrogen compounds
- B01D53/8625—Nitrogen oxides
- B01D53/8628—Processes characterised by a specific catalyst
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Catalysts (AREA)
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4150574A GB1523726A (en) | 1974-09-24 | 1974-09-24 | Process for removing no from a flue gas by selective reduction with |
| CA232,942A CA1064225A (en) | 1974-09-24 | 1975-08-06 | Process for removing nox from a flue gas by selective reduction with nh3 |
| IT2746275A IT1042887B (it) | 1974-09-24 | 1975-09-19 | Processo per rimuovere ossidi di azoto da un gas di compustione mediante riduzione selettiva con ammoniaca |
| NL7511144A NL181846C (nl) | 1974-09-24 | 1975-09-22 | Werkwijze ter verwijdering van noÿx uit een rookgas door selectieve reductie met nhÿ3. |
| AT724175A AT357993B (de) | 1974-09-24 | 1975-09-22 | Verfahren zur entfernung von stickoxiden aus einem sauerstoffhaltigen, praktisch kein schwefeldioxid enthaltenden abgas |
| FR7528949A FR2285922A1 (fr) | 1974-09-24 | 1975-09-22 | Procede pour eliminer nox d'un gaz de combustion par reduction selective avec nh3 |
| JP50113795A JPS5837009B2 (ja) | 1974-09-24 | 1975-09-22 | Ｎｈ３ ニヨリエンドウガスカラ ｎｏｘ オジヨキヨスルホウホウ |
| DE19752542204 DE2542204C2 (de) | 1974-09-24 | 1975-09-22 | Verfahren zur Entfernung von NO↓x↓ aus einem sauerstoffhaltigen, praktisch kein Schwefeldioxid enthaltenden Abgas |
| SE7510605A SE413887B (sv) | 1974-09-24 | 1975-09-22 | Sett att avlegsna no?71x fran en syrehaltig rokgas, som er i huvudsak fri fran so?712 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4150574A GB1523726A (en) | 1974-09-24 | 1974-09-24 | Process for removing no from a flue gas by selective reduction with |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1523726A true GB1523726A (en) | 1978-09-06 |
Family
ID=10420007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4150574A Expired GB1523726A (en) | 1974-09-24 | 1974-09-24 | Process for removing no from a flue gas by selective reduction with |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS5837009B2 (enExample) |
| AT (1) | AT357993B (enExample) |
| CA (1) | CA1064225A (enExample) |
| DE (1) | DE2542204C2 (enExample) |
| FR (1) | FR2285922A1 (enExample) |
| GB (1) | GB1523726A (enExample) |
| IT (1) | IT1042887B (enExample) |
| NL (1) | NL181846C (enExample) |
| SE (1) | SE413887B (enExample) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7601371A (nl) * | 1976-02-11 | 1977-08-15 | Shell Int Research | Werkwijze voor het gelijktijdig verwijderen van stikstofoxyden en zwaveloxyden uit een gasstroom. |
| JPS5314189A (en) * | 1976-07-26 | 1978-02-08 | Hitachi Zosen Corp | Denitration catalyst supporting copper sulfate |
| DE3701527A1 (de) * | 1987-01-21 | 1988-08-04 | Metallgesellschaft Ag | Verfahren zur gleichzeitigen entstickung und entschwefelung eines sauerstoffhaltigen abgases |
| ES2022607B3 (es) * | 1988-01-22 | 1991-12-01 | Metallgesellschaft Ag | Procedimiento para la reduccion catalitica de no. |
| DE3830045C2 (de) * | 1988-09-03 | 1993-09-30 | Bayer Ag | Verfahren zur Reduktion von in Abgasen enthaltenen Stickoxiden mittels eines zeolithhaltigen Katalysators |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5515247B2 (enExample) * | 1974-06-11 | 1980-04-22 |
-
1974
- 1974-09-24 GB GB4150574A patent/GB1523726A/en not_active Expired
-
1975
- 1975-08-06 CA CA232,942A patent/CA1064225A/en not_active Expired
- 1975-09-19 IT IT2746275A patent/IT1042887B/it active
- 1975-09-22 DE DE19752542204 patent/DE2542204C2/de not_active Expired
- 1975-09-22 NL NL7511144A patent/NL181846C/xx not_active IP Right Cessation
- 1975-09-22 AT AT724175A patent/AT357993B/de not_active IP Right Cessation
- 1975-09-22 SE SE7510605A patent/SE413887B/xx not_active IP Right Cessation
- 1975-09-22 JP JP50113795A patent/JPS5837009B2/ja not_active Expired
- 1975-09-22 FR FR7528949A patent/FR2285922A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| SE413887B (sv) | 1980-06-30 |
| AT357993B (de) | 1980-08-11 |
| FR2285922A1 (fr) | 1976-04-23 |
| JPS5837009B2 (ja) | 1983-08-13 |
| DE2542204C2 (de) | 1987-02-19 |
| SE7510605L (sv) | 1976-03-25 |
| NL7511144A (nl) | 1976-03-26 |
| DE2542204A1 (de) | 1976-04-08 |
| NL181846B (nl) | 1987-06-16 |
| NL181846C (nl) | 1987-11-16 |
| ATA724175A (de) | 1980-01-15 |
| JPS5157676A (en) | 1976-05-20 |
| CA1064225A (en) | 1979-10-16 |
| FR2285922B1 (enExample) | 1978-04-07 |
| IT1042887B (it) | 1980-01-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19920922 |