CA1003814A - Reduction catalyst - Google Patents
Reduction catalystInfo
- Publication number
- CA1003814A CA1003814A CA159,903A CA159903A CA1003814A CA 1003814 A CA1003814 A CA 1003814A CA 159903 A CA159903 A CA 159903A CA 1003814 A CA1003814 A CA 1003814A
- Authority
- CA
- Canada
- Prior art keywords
- reduction catalyst
- catalyst
- reduction
- 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
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
- B01D53/92—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
- B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
- B01D53/945—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific catalyst
-
- 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
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/889—Manganese, technetium or rhenium
- B01J23/8892—Manganese
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/2073—Manganese
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20753—Nickel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20761—Copper
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19712165550 DE2165550C3 (de) | 1971-12-30 | Reduktionskatalysator |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1003814A true CA1003814A (en) | 1977-01-18 |
Family
ID=5829702
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA159,903A Expired CA1003814A (en) | 1971-12-30 | 1972-12-27 | Reduction catalyst |
Country Status (15)
Country | Link |
---|---|
JP (1) | JPS5632019B2 (fr) |
AT (1) | AT333705B (fr) |
BE (1) | BE793518A (fr) |
BR (1) | BR7209123D0 (fr) |
CA (1) | CA1003814A (fr) |
CH (1) | CH591282A5 (fr) |
CS (1) | CS179405B2 (fr) |
DD (1) | DD100635A5 (fr) |
FR (1) | FR2166191A1 (fr) |
IL (1) | IL41147A (fr) |
IT (1) | IT974321B (fr) |
NL (1) | NL177467C (fr) |
PL (1) | PL85181B1 (fr) |
RO (1) | RO61301A (fr) |
SE (1) | SE381408B (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CS169764B2 (fr) * | 1973-05-09 | 1976-07-29 | ||
JP2547124B2 (ja) * | 1991-02-02 | 1996-10-23 | 工業技術院長 | 窒素酸化物の還元除去方法 |
JP2008168228A (ja) * | 2007-01-12 | 2008-07-24 | Okayama Univ | 未燃カーボンを用いてディーゼルエンジン排ガス中の窒素酸化物を浄化するための触媒と方法 |
-
1972
- 1972-11-02 DD DD166645A patent/DD100635A5/xx unknown
- 1972-12-14 NL NLAANVRAGE7217018,A patent/NL177467C/xx not_active IP Right Cessation
- 1972-12-19 RO RO73212A patent/RO61301A/ro unknown
- 1972-12-22 IL IL41147A patent/IL41147A/xx unknown
- 1972-12-25 JP JP443373A patent/JPS5632019B2/ja not_active Expired
- 1972-12-26 BR BR09123/72A patent/BR7209123D0/pt unknown
- 1972-12-27 IT IT55032/72A patent/IT974321B/it active
- 1972-12-27 CA CA159,903A patent/CA1003814A/en not_active Expired
- 1972-12-28 AT AT1108872A patent/AT333705B/de not_active IP Right Cessation
- 1972-12-28 PL PL1972159835A patent/PL85181B1/pl unknown
- 1972-12-28 CH CH1894172A patent/CH591282A5/xx not_active IP Right Cessation
- 1972-12-29 FR FR7246958A patent/FR2166191A1/fr active Granted
- 1972-12-29 SE SE7217173A patent/SE381408B/xx unknown
- 1972-12-29 CS CS7200009065A patent/CS179405B2/cs unknown
- 1972-12-29 BE BE793518D patent/BE793518A/fr not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
RO61301A (fr) | 1976-09-15 |
DE2165550A1 (de) | 1973-07-05 |
NL7217018A (fr) | 1973-07-03 |
BE793518A (fr) | 1973-06-29 |
ATA1108872A (de) | 1976-04-15 |
CS179405B2 (en) | 1977-10-31 |
FR2166191B1 (fr) | 1981-10-02 |
IL41147A0 (en) | 1973-02-28 |
JPS5632019B2 (fr) | 1981-07-24 |
DE2165550B2 (de) | 1976-01-15 |
IL41147A (en) | 1975-07-28 |
FR2166191A1 (en) | 1973-08-10 |
SE381408B (sv) | 1975-12-08 |
DD100635A5 (fr) | 1973-10-05 |
IT974321B (it) | 1974-06-20 |
CH591282A5 (fr) | 1977-09-15 |
JPS4879189A (fr) | 1973-10-24 |
NL177467C (nl) | 1985-10-01 |
BR7209123D0 (pt) | 1973-09-25 |
AT333705B (de) | 1976-12-10 |
PL85181B1 (fr) | 1976-04-30 |
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