JPS5327699B2 - - Google Patents
Info
- Publication number
- JPS5327699B2 JPS5327699B2 JP73784A JP78473A JPS5327699B2 JP S5327699 B2 JPS5327699 B2 JP S5327699B2 JP 73784 A JP73784 A JP 73784A JP 78473 A JP78473 A JP 78473A JP S5327699 B2 JPS5327699 B2 JP S5327699B2
- Authority
- JP
- Japan
- 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
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/10—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of rare earths
-
- 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
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/9404—Removing only nitrogen compounds
- B01D53/9409—Nitrogen oxides
- B01D53/9413—Processes characterised by a specific catalyst
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/12—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of actinides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/206—Ammonium compounds
- B01D2251/2062—Ammonia
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/206—Rare earth metals
- B01D2255/2065—Cerium
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP73784A JPS5327699B2 (US08080257-20111220-C00005.png) | 1972-12-25 | 1972-12-25 | |
| DE2362255A DE2362255C3 (de) | 1972-12-25 | 1973-12-14 | Verfahren zur Beseitigung von Stickoxiden in Abgasen |
| GB5832173A GB1422840A (en) | 1972-12-25 | 1973-12-17 | Catalytic reduction of oxides of nitrogen |
| DK696873AA DK141836B (da) | 1972-12-25 | 1973-12-20 | Fremgangsmåde til katalytisk reduktion af nitrogenoxider i afgangsgas, især fra eksplosionsmotorer og salpetersyreanlæg. |
| NL7317543.A NL161067C (nl) | 1972-12-25 | 1973-12-21 | Werkwijze voor de katalytische, reducerende ontleding van stikstofoxyden. |
| US428222A US3885019A (en) | 1972-12-25 | 1973-12-26 | Catalytic reducing decomposition of oxides of nitrogen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP73784A JPS5327699B2 (US08080257-20111220-C00005.png) | 1972-12-25 | 1972-12-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4987566A JPS4987566A (US08080257-20111220-C00005.png) | 1974-08-21 |
| JPS5327699B2 true JPS5327699B2 (US08080257-20111220-C00005.png) | 1978-08-10 |
Family
ID=11483311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP73784A Expired JPS5327699B2 (US08080257-20111220-C00005.png) | 1972-12-25 | 1972-12-25 |
Country Status (6)
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4062810A (en) * | 1974-03-14 | 1977-12-13 | Hoechst Aktiengesellschaft | Carrier-supported catalyst |
| JPS5127865A (US08080257-20111220-C00005.png) * | 1974-09-02 | 1976-03-09 | Asahi Chemical Ind | |
| JPS542913B2 (US08080257-20111220-C00005.png) * | 1974-09-19 | 1979-02-15 | ||
| JPS52122293A (en) * | 1976-04-08 | 1977-10-14 | Nippon Shokubai Kagaku Kogyo Co Ltd | Catalyst for purifying nox |
| US4188365A (en) * | 1976-04-16 | 1980-02-12 | Mitsui Petrochemical Industries, Ltd. | Process for catalytic vapor phase reduction of nitrogen oxides and catalyst composition used therefor |
| JPS52156168A (en) * | 1976-06-22 | 1977-12-26 | Mitsubishi Chem Ind Ltd | Waste gas treatment of nitric acid plant |
| US4199938A (en) * | 1976-12-26 | 1980-04-29 | Nippon Soken, Inc. | Method of operating a three-way catalyst for internal combustion engines |
| US4251496A (en) * | 1979-03-22 | 1981-02-17 | Exxon Research & Engineering Co. | Process for the removal of SOx and NOx from gaseous mixture containing the same |
| US5213779A (en) * | 1980-07-31 | 1993-05-25 | Gas Desulfurization Corporation | Process for optimizing the removal of NOX and SOX from gases utilizing lanthanide compounds |
| JPS57209819A (en) * | 1981-06-19 | 1982-12-23 | Nissan Motor Co Ltd | Preparation of active alumina pellet supporting cerium uniformly |
| US4695437A (en) * | 1986-06-13 | 1987-09-22 | Johnson Matthey, Inc. | Selective catalytic reduction catalysts |
| DE3733501A1 (de) * | 1987-10-03 | 1989-04-13 | Ruhrgas Ag | Verfahren zur verminderung von emissionen beim betrieb von stationaeren verbrennungsmotoren |
| US4874590A (en) * | 1988-04-07 | 1989-10-17 | Uop | Catalytic reduction of nitrogen oxides |
| US5137703A (en) * | 1989-06-26 | 1992-08-11 | Trustees Of Boston University | Thermal catalytic methods for converting oxides of nitrogen into environmentally compatible products |
| CN115261923B (zh) * | 2022-08-16 | 2024-05-17 | 西南科技大学 | 电催化氮气合成氨的单原子铀-二氧化钛催化剂的制备及应用 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4977881A (US08080257-20111220-C00005.png) * | 1972-11-30 | 1974-07-26 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3008796A (en) * | 1958-06-05 | 1961-11-14 | Engelhard Ind Inc | Method of purifying gases containing oxygen and oxides of nitrogen |
| US3140148A (en) * | 1961-07-26 | 1964-07-07 | Lawrence J E Hofer | Method of treating exhaust gases with urania-containing catalysts |
| US3449063A (en) * | 1966-05-13 | 1969-06-10 | Ethyl Corp | Method of controlling exhaust emission |
| US3649169A (en) * | 1969-06-04 | 1972-03-14 | Gas Council | Treatment of gases |
-
1972
- 1972-12-25 JP JP73784A patent/JPS5327699B2/ja not_active Expired
-
1973
- 1973-12-14 DE DE2362255A patent/DE2362255C3/de not_active Expired
- 1973-12-17 GB GB5832173A patent/GB1422840A/en not_active Expired
- 1973-12-20 DK DK696873AA patent/DK141836B/da not_active IP Right Cessation
- 1973-12-21 NL NL7317543.A patent/NL161067C/xx not_active IP Right Cessation
- 1973-12-26 US US428222A patent/US3885019A/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4977881A (US08080257-20111220-C00005.png) * | 1972-11-30 | 1974-07-26 |
Also Published As
| Publication number | Publication date |
|---|---|
| NL7317543A (US08080257-20111220-C00005.png) | 1974-06-27 |
| DK141836C (US08080257-20111220-C00005.png) | 1981-01-12 |
| GB1422840A (en) | 1976-01-28 |
| DE2362255B2 (de) | 1977-12-15 |
| DE2362255A1 (de) | 1974-06-27 |
| NL161067C (nl) | 1980-01-15 |
| DK141836B (da) | 1980-06-30 |
| DE2362255C3 (de) | 1978-08-31 |
| US3885019A (en) | 1975-05-20 |
| JPS4987566A (US08080257-20111220-C00005.png) | 1974-08-21 |
