FR2377835B1 - - Google Patents
Info
- Publication number
- FR2377835B1 FR2377835B1 FR7801523A FR7801523A FR2377835B1 FR 2377835 B1 FR2377835 B1 FR 2377835B1 FR 7801523 A FR7801523 A FR 7801523A FR 7801523 A FR7801523 A FR 7801523A FR 2377835 B1 FR2377835 B1 FR 2377835B1
- Authority
- FR
- France
- 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
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
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S502/00—Catalyst, solid sorbent, or support therefor: product or process of making
- Y10S502/515—Specific contaminant removal
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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP552277A JPS5390158A (en) | 1977-01-21 | 1977-01-21 | Denitrating method |
| JP3673577A JPS53122671A (en) | 1977-03-31 | 1977-03-31 | Denitrating method and device therefor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2377835A1 FR2377835A1 (fr) | 1978-08-18 |
| FR2377835B1 true FR2377835B1 (forum.php) | 1982-04-30 |
Family
ID=26339487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7801523A Granted FR2377835A1 (fr) | 1977-01-21 | 1978-01-19 | Perfectionnements aux procedes et dispositifs pour eliminer des oxydes d'azote a partir de gaz qui en contiennent |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4199554A (forum.php) |
| CA (1) | CA1099488A (forum.php) |
| DE (1) | DE2801782A1 (forum.php) |
| FR (1) | FR2377835A1 (forum.php) |
| GB (1) | GB1577613A (forum.php) |
| NL (1) | NL171230C (forum.php) |
| PL (1) | PL113140B1 (forum.php) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3107117A1 (de) * | 1981-02-26 | 1982-09-09 | Kali-Chemie Ag, 3000 Hannover | "verfarhen zur atrennung von no(pfeil abwaerts)x(pfeil abwaerts)-gas" |
| DE3431730A1 (de) * | 1984-08-29 | 1986-03-06 | Kraftanlagen Ag, 6900 Heidelberg | Verfahren und vorrichtung zur selektiven katalytischen beseitigung von stickoxyden aus den abgasen von feuerungsanlagen |
| DE3735203A1 (de) * | 1987-10-17 | 1989-04-27 | Metallgesellschaft Ag | Verfahren zur entfernung von no aus verbrennungsabgasen |
| DE59009929D1 (de) * | 1990-08-31 | 1996-01-11 | Inst Kataliza Sibirskogo Otdel | Verfahren zum entfernen von stickoxiden aus abgasen. |
| US5342599A (en) * | 1990-09-14 | 1994-08-30 | Cummins Power Generation, Inc. | Surface stabilized sources of isocyanic acid |
| US5078982A (en) * | 1990-09-20 | 1992-01-07 | Molecular Technology Corporation | Reduction of nitrogen oxide in effluent gases using formaldehyde |
| US5171554A (en) * | 1990-09-20 | 1992-12-15 | Molecular Technology Corporation | Conversion of formaldehyde and nitrogen to a gaseous product and use of gaseous product in reduction of nitrogen oxide in effluent gases |
| US5234670A (en) * | 1990-09-20 | 1993-08-10 | Molecular Technology Corporation | Reduction of nitrogen oxide in effluent gases using NCO radicals |
| DE4115369A1 (de) * | 1991-03-28 | 1992-10-01 | Asea Brown Boveri | Verfahren zur minimierung der stickstoffoxyde (nox) bei einer verbrennung |
| CA2141734C (en) * | 1995-01-25 | 2000-06-06 | Raj Narain Pandey | Selective catalytic reduction of nitrogen oxides |
| US6663839B2 (en) | 2001-02-26 | 2003-12-16 | Abb Lummus Global Inc. | Radial flow gas phase reactor and method for reducing the nitrogen oxide content of a gas |
| US6706246B2 (en) | 2001-02-26 | 2004-03-16 | Abb Lummus Global Inc. | System and method for the selective catalytic reduction of nitrogen oxide in a gas stream |
| US20020159923A1 (en) * | 2001-02-26 | 2002-10-31 | Platvoet Erwin M.J. | Gas phase reactor and process for reducing nitrogen oxide in a gas stream |
| US6821490B2 (en) * | 2001-02-26 | 2004-11-23 | Abb Lummus Global Inc. | Parallel flow gas phase reactor and method for reducing the nitrogen oxide content of a gas |
| FR3002277B1 (fr) * | 2013-02-21 | 2016-05-27 | Ifp Energies Now | Procede pour traiter des polluants contenus dans des gaz d'echappement d'un moteur a combustion interne, notamment pour vehicule automobile. |
| TWI548780B (zh) * | 2014-07-02 | 2016-09-11 | Huang Ta Yung | Electrochemical dual battery panels and devices for controlling exhaust emissions |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2006981A (en) * | 1931-12-14 | 1935-07-02 | Ig Farbenindustrie Ag | Production of hydrocyanic acid |
| US3032387A (en) * | 1959-04-17 | 1962-05-01 | Engelhard Ind Inc | Selective removal of nitrogen oxides from gas streams |
| FR1296614A (fr) * | 1961-04-28 | 1962-06-22 | Houilleres Bassin Du Nord | Réacteur à contrôle de température par rétrodiffusion et récupération thermiques |
| US3911089A (en) * | 1972-10-06 | 1975-10-07 | Sumitomo Chemical Co | Process for preparing hydrogen cyanide |
| US3894141A (en) * | 1972-12-27 | 1975-07-08 | Exxon Research Engineering Co | Process for removing nitric oxide |
| US3900554A (en) * | 1973-03-16 | 1975-08-19 | Exxon Research Engineering Co | Method for the reduction of the concentration of no in combustion effluents using ammonia |
| US3864451A (en) * | 1973-08-16 | 1975-02-04 | Environics Inc | Method for Removing Nitric Oxide from Combustion Gases |
| JPS50133995A (forum.php) * | 1974-04-11 | 1975-10-23 | ||
| US4043939A (en) * | 1975-10-10 | 1977-08-23 | Kurashiki Boseki Kabushiki Kaisha | Reactivation of catalysts useful for nitrogen oxide removal |
-
1977
- 1977-12-30 US US05/866,042 patent/US4199554A/en not_active Expired - Lifetime
-
1978
- 1978-01-10 CA CA294,680A patent/CA1099488A/en not_active Expired
- 1978-01-17 DE DE19782801782 patent/DE2801782A1/de active Pending
- 1978-01-18 NL NLAANVRAGE7800599,A patent/NL171230C/xx not_active IP Right Cessation
- 1978-01-19 GB GB2288/78A patent/GB1577613A/en not_active Expired
- 1978-01-19 FR FR7801523A patent/FR2377835A1/fr active Granted
- 1978-01-19 PL PL1978204093A patent/PL113140B1/pl unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2801782A1 (de) | 1978-08-03 |
| FR2377835A1 (fr) | 1978-08-18 |
| NL171230B (nl) | 1982-10-01 |
| GB1577613A (en) | 1980-10-29 |
| PL113140B1 (en) | 1980-11-29 |
| NL171230C (nl) | 1983-03-01 |
| PL204093A1 (pl) | 1978-10-09 |
| CA1099488A (en) | 1981-04-21 |
| US4199554A (en) | 1980-04-22 |
| NL7800599A (nl) | 1978-07-25 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |