GB1492737A - Treatment of exhaust gases of internal combustion engines by catalysts - Google Patents
Treatment of exhaust gases of internal combustion engines by catalystsInfo
- Publication number
- GB1492737A GB1492737A GB51981/73A GB5198173A GB1492737A GB 1492737 A GB1492737 A GB 1492737A GB 51981/73 A GB51981/73 A GB 51981/73A GB 5198173 A GB5198173 A GB 5198173A GB 1492737 A GB1492737 A GB 1492737A
- Authority
- GB
- United Kingdom
- Prior art keywords
- substrate
- exhaust gases
- catalyst body
- mixtures
- curie temperature
- 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
- 239000003054 catalyst Substances 0.000 title abstract 6
- 239000007789 gas Substances 0.000 title abstract 4
- 238000002485 combustion reaction Methods 0.000 title 1
- 239000000758 substrate Substances 0.000 abstract 6
- 239000000463 material Substances 0.000 abstract 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 abstract 4
- 239000000203 mixture Substances 0.000 abstract 3
- 229910052787 antimony Inorganic materials 0.000 abstract 2
- 229910052751 metal Inorganic materials 0.000 abstract 2
- 239000002184 metal Substances 0.000 abstract 2
- 229910052697 platinum Inorganic materials 0.000 abstract 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 abstract 1
- 229910052797 bismuth Inorganic materials 0.000 abstract 1
- 229910002091 carbon monoxide Inorganic materials 0.000 abstract 1
- 239000002305 electric material Substances 0.000 abstract 1
- 239000012530 fluid Substances 0.000 abstract 1
- 229910052745 lead Inorganic materials 0.000 abstract 1
- 229910052758 niobium Inorganic materials 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
- 239000011148 porous material Substances 0.000 abstract 1
- 238000000746 purification Methods 0.000 abstract 1
- 238000004544 sputter deposition Methods 0.000 abstract 1
- 229910052727 yttrium Inorganic materials 0.000 abstract 1
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
- B01J23/02—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the alkali- or alkaline earth metals or beryllium
-
- 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
- B01D53/944—Simultaneously removing carbon monoxide, hydrocarbons or carbon making use of oxidation catalysts
-
- 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
- B01J23/14—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of germanium, tin or lead
-
- 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
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
-
- 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
-
- 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)
- 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)
Abstract
1492737 Purifying exhaust gases UNITED KINGDOM ATOMIC ENERGY AUTHORITY 4 Nov 1974 [8 Nov 1973] 51981/73 Heading ClA [Also in Divisions B1 and H5] I.C. engine exhaust gases are subjected to purification treatment, e.g. oxidation of carbon monoxide, by contact with a catalyst body comprising a substrate made of ferro-electric material, the surface of which is covered by a catalyst material, e.g. platinum, the catalyst body being pre-heated by passage of an electric current through the substrate, the substrate material having a positive temperature coefficient of resistivity and a Curie temperature point at which the resistivity of the material increases to such a value that the electrical current heats the catalyst body only up to the Curie temperature of the substrate, the temperature of the catalyst body being maintained at or above the Curie temperature by the exhaust gases. Suitably, the substrate has fluid flow paths therethrough, e.g. it is formed from separate spaced sheets or has inter-connecting pores. The substrate material may be a perovskite titanate, e.g. wherein X = R.E (e.g. La), Sb, Y, other trivalent metal or mixtures thereof; Z = Ba, Sr, Pb or mixtures thereof; Q = Nb, Sb, Bi, other pentavalent metal or mixtures thereof; and, y = 0À1. The platinum may be deposited by sputtering and reference is made to Specification 1,455,248.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB51981/73A GB1492737A (en) | 1974-11-04 | 1974-11-04 | Treatment of exhaust gases of internal combustion engines by catalysts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB51981/73A GB1492737A (en) | 1974-11-04 | 1974-11-04 | Treatment of exhaust gases of internal combustion engines by catalysts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1492737A true GB1492737A (en) | 1977-11-23 |
Family
ID=10462187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB51981/73A Expired GB1492737A (en) | 1974-11-04 | 1974-11-04 | Treatment of exhaust gases of internal combustion engines by catalysts |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1492737A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2231813A (en) * | 1989-05-17 | 1990-11-28 | Ford Motor Co | Emission control |
| GB2250216A (en) * | 1990-11-29 | 1992-06-03 | Rover Group | A catalytic converter |
| CN103263917A (en) * | 2013-04-25 | 2013-08-28 | 浙江大学 | A kind of preparation method of Pt-BaTiO3 nanometer catalyst for CO catalytic oxidation |
-
1974
- 1974-11-04 GB GB51981/73A patent/GB1492737A/en not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2231813A (en) * | 1989-05-17 | 1990-11-28 | Ford Motor Co | Emission control |
| GB2250216A (en) * | 1990-11-29 | 1992-06-03 | Rover Group | A catalytic converter |
| CN103263917A (en) * | 2013-04-25 | 2013-08-28 | 浙江大学 | A kind of preparation method of Pt-BaTiO3 nanometer catalyst for CO catalytic oxidation |
| CN103263917B (en) * | 2013-04-25 | 2015-01-28 | 浙江大学 | A kind of preparation method of Pt-BaTiO3 nanometer catalyst for CO catalytic oxidation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0089199B1 (en) | Catalysts for converting reductive and oxidative gases of exhaust gases into innoxious gases | |
| Kulwicki | Ceramic sensors and transducers | |
| GB1531134A (en) | Methods of fabricating bodies and to bodies so fabricated | |
| JPS5787839A (en) | Catalyst of monolithic construction type for purification of waste gas | |
| GB1488733A (en) | Hydrocarbon concentration sensor for use in engine exhaust gas | |
| GB1492737A (en) | Treatment of exhaust gases of internal combustion engines by catalysts | |
| KR930702674A (en) | Sensor for measuring oxygen content of exhaust gas of an internal combustion engine having a catalytically active protective layer and a method of manufacturing the same | |
| DE2908916A1 (en) | Resistance measuring probe for oxygen determn. in gas - esp. exhaust gas has multilayer electrode and semiconductor oxide structure on ceramic substrate | |
| JPS6166391A (en) | Self-temperature control type heater | |
| EP0582830A1 (en) | Ceramic planar sensor for detection of combustable gases | |
| JPH04166757A (en) | Oxygen sensor element and manufacture thereof | |
| DE2254465C2 (en) | Measuring device for the partial pressure of oxygen in the exhaust gases of an internal combustion engine of a motor vehicle | |
| US4119512A (en) | Air-fuel ratio detecting apparatus | |
| JPS58204365A (en) | O2 sensor | |
| JPS5615830A (en) | Cleaning device for exhaust gas | |
| JPS6161344B2 (en) | ||
| DE2817873A1 (en) | Exhaust gas detector cell - has two sintered rutile measuring elements each with two electrodes and one with catalyst | |
| JPS57153253A (en) | Gas sensing element | |
| JPH0557024B2 (en) | ||
| JPS5950352A (en) | Detection element for nox | |
| JPH08124720A (en) | Varistor and its manufacture | |
| JPS6133465B2 (en) | ||
| Dudko | Effect of the formation of phases with the spinel structure on the electrophysical parameters of the coating based on Al sub 2 O sub 3+ NiO | |
| JPS6122282Y2 (en) | ||
| JPS6118434A (en) | Catalytic body for purifying exhaust gas |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |