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Catalytic converter, the Glossary

A catalytic converter is an exhaust emission control device which converts toxic gases and pollutants in exhaust gas from an internal combustion engine into less-toxic pollutants by catalyzing a redox reaction.^[1]

163 relations: Acid rain, Air pollution, Air–fuel ratio, Alpina, Alternator, Aluminium oxide, American Petroleum Institute, Ammonia, Antifreeze, Antiknock agent, Antiwear additive, Autogas, Automotive aftermarket, BMW 7 Series (E38), Bus, Car, Car and Driver, Carbon dioxide, Carbon monoxide, Carburetor, Carl D. Keith, Catalysis, Catalyst poisoning, Catalyst support, Catalytic heater, Ceramic, Ceria-zirconia, Cerium, Cerium(III) oxide, Cerium(IV) oxide, Chemical reaction, Chimney, Clean Air Act (United States), CNN, Colloidal silica, Concord Monitor, Copper, Cordierite, Corning Inc., Democratic Republic of the Congo, Diesel engine, Diesel exhaust, Diesel exhaust fluid, Diesel fuel, Diesel particulate filter, E85, Electric generator, Engelhard, Engine control unit, Ethanol, ... Expand index (113 more) »
Air pollution control systems
Carbon monoxide
Exhaust systems
NOx control
Products introduced in 1975

Acid rain

Acid rain is rain or any other form of precipitation that is unusually acidic, meaning that it has elevated levels of hydrogen ions (low pH).

See Catalytic converter and Acid rain

Air pollution

Air pollution is the contamination of air due to the presence of substances called pollutants in the atmosphere that are harmful to the health of humans and other living beings, or cause damage to the climate or to materials.

See Catalytic converter and Air pollution

Air–fuel ratio

Air–fuel ratio (AFR) is the mass ratio of air to a solid, liquid, or gaseous fuel present in a combustion process.

See Catalytic converter and Air–fuel ratio

Alpina

Alpina Burkard Bovensiepen GmbH & Co.

See Catalytic converter and Alpina

Alternator

An alternator is an electrical generator that converts mechanical energy to electrical energy in the form of alternating current.

See Catalytic converter and Alternator

Aluminium oxide

Aluminium oxide (or aluminium(III) oxide) is a chemical compound of aluminium and oxygen with the chemical formula.

See Catalytic converter and Aluminium oxide

American Petroleum Institute

The American Petroleum Institute (API) is the largest U.S. trade association for the oil and natural gas industry.

See Catalytic converter and American Petroleum Institute

Ammonia

Ammonia is an inorganic chemical compound of nitrogen and hydrogen with the formula.

See Catalytic converter and Ammonia

Antifreeze

An antifreeze is an additive which lowers the freezing point of a water-based liquid.

See Catalytic converter and Antifreeze

Antiknock agent

An antiknock agent is a gasoline additive used to reduce engine knocking and increase the fuel's octane rating by raising the temperature and pressure at which auto-ignition occurs.

See Catalytic converter and Antiknock agent

Antiwear additive

AW additives, or antiwear additives, are additives for lubricants to prevent metal-to-metal contact between parts of gears.

See Catalytic converter and Antiwear additive

Autogas

Autogas or LPG is liquefied petroleum gas (LPG) used as a fuel in internal combustion engines in vehicles as well as in stationary applications such as generators.

See Catalytic converter and Autogas

Automotive aftermarket

The automotive aftermarket is the secondary parts market of the automotive industry, concerned with the manufacturing, remanufacturing, distribution, retailing, and installation of all vehicle parts, chemicals, equipment, and accessories, after the sale of the automobile by the original equipment manufacturer (OEM) to the consumer.

See Catalytic converter and Automotive aftermarket

BMW 7 Series (E38)

The BMW E38 is the third generation of the BMW 7 Series luxury cars and was produced from 1994 until 2001.

See Catalytic converter and BMW 7 Series (E38)

Bus

A bus (contracted from omnibus, with variants multibus, motorbus, autobus, etc.) is a road vehicle that carries significantly more passengers than an average car or van, but less than the average rail transport. Catalytic converter and bus are French inventions.

See Catalytic converter and Bus

Car

A car, or an automobile, is a motor vehicle with wheels.

See Catalytic converter and Car

Car and Driver

Car and Driver (CD or C/D) is an American automotive enthusiast magazine first published in 1955.

See Catalytic converter and Car and Driver

Carbon dioxide

Carbon dioxide is a chemical compound with the chemical formula.

See Catalytic converter and Carbon dioxide

Carbon monoxide

Carbon monoxide (chemical formula CO) is a poisonous, flammable gas that is colorless, odorless, tasteless, and slightly less dense than air.

See Catalytic converter and Carbon monoxide

Carburetor

A carburetor (also spelled carburettor or carburetter) is a device used by a gasoline internal combustion engine to control and mix air and fuel entering the engine.

See Catalytic converter and Carburetor

Carl D. Keith

Carl Donald Keith (May 29, 1920 – November 9, 2008) was a chemist who was inventor of the three-way catalytic converter, which has played a dramatic role in reducing pollution from motor vehicles since their introduction in the mid-1970s.

See Catalytic converter and Carl D. Keith

Catalysis

Catalysis is the increase in rate of a chemical reaction due to an added substance known as a catalyst.

See Catalytic converter and Catalysis

Catalyst poisoning

Catalyst poisoning is the partial or total deactivation of a catalyst by a chemical compound. Catalytic converter and catalyst poisoning are Catalysis.

See Catalytic converter and Catalyst poisoning

Catalyst support

In chemistry, a catalyst support is a material, usually a solid with a high surface area, to which a catalyst is affixed. Catalytic converter and catalyst support are Catalysis.

See Catalytic converter and Catalyst support

Catalytic heater

A catalytic heater is a flameless heater which relies on catalyzed chemical reactions to break down molecules and produce calefaction (heat).

See Catalytic converter and Catalytic heater

Ceramic

A ceramic is any of the various hard, brittle, heat-resistant, and corrosion-resistant materials made by shaping and then firing an inorganic, nonmetallic material, such as clay, at a high temperature.

See Catalytic converter and Ceramic

Ceria-zirconia

Ceria-zirconia is a solid solution of cerium(IV) oxide (CeO2, also known as ceria) and zirconium oxide (ZrO2, also known as zirconia).

See Catalytic converter and Ceria-zirconia

Cerium

Cerium is a chemical element; it has symbol Ce and atomic number 58.

See Catalytic converter and Cerium

Cerium(III) oxide

Cerium(III) oxide, also known as cerium oxide, cerium trioxide, cerium sesquioxide, cerous oxide or dicerium trioxide, is an oxide of the rare-earth metal cerium.

See Catalytic converter and Cerium(III) oxide

Cerium(IV) oxide

Cerium(IV) oxide, also known as ceric oxide, ceric dioxide, ceria, cerium oxide or cerium dioxide, is an oxide of the rare-earth metal cerium.

See Catalytic converter and Cerium(IV) oxide

Chemical reaction

A chemical reaction is a process that leads to the chemical transformation of one set of chemical substances to another.

See Catalytic converter and Chemical reaction

Chimney

A chimney is an architectural ventilation structure made of masonry, clay or metal that isolates hot toxic exhaust gases or smoke produced by a boiler, stove, furnace, incinerator, or fireplace from human living areas.

See Catalytic converter and Chimney

Clean Air Act (United States)

The Clean Air Act (CAA) is the United States' primary federal air quality law, intended to reduce and control air pollution nationwide.

See Catalytic converter and Clean Air Act (United States)

CNN

Cable News Network (CNN) is a multinational news channel and website operating from Midtown Atlanta, Georgia, U.S. Founded in 1980 by American media proprietor Ted Turner and Reese Schonfeld as a 24-hour cable news channel, and presently owned by the Manhattan-based media conglomerate Warner Bros. Discovery (WBD), CNN was the first television channel to provide 24-hour news coverage and the first all-news television channel in the United States.

See Catalytic converter and CNN

Colloidal silica

Colloidal silicas are suspensions of fine amorphous, nonporous, and typically spherical silica particles in a liquid phase.

See Catalytic converter and Colloidal silica

Concord Monitor

The Concord Monitor is the daily newspaper for Concord, the state capital of New Hampshire.

See Catalytic converter and Concord Monitor

Copper

Copper is a chemical element; it has symbol Cu and atomic number 29.

See Catalytic converter and Copper

Cordierite

Cordierite (mineralogy) or iolite (gemology) is a magnesium iron aluminium cyclosilicate.

See Catalytic converter and Cordierite

Corning Inc.

Corning Incorporated is an American multinational technology company that specializes in specialty glass, ceramics, and related materials and technologies including advanced optics, primarily for industrial and scientific applications.

See Catalytic converter and Corning Inc.

Democratic Republic of the Congo

The Democratic Republic of the Congo (DRC), also known as the DR Congo, Congo-Kinshasa, Congo-Zaire, or simply either Congo or the Congo, is a country in Central Africa.

See Catalytic converter and Democratic Republic of the Congo

Diesel engine

The diesel engine, named after Rudolf Diesel, is an internal combustion engine in which ignition of the fuel is caused by the elevated temperature of the air in the cylinder due to mechanical compression; thus, the diesel engine is called a compression-ignition engine (CI engine).

See Catalytic converter and Diesel engine

Diesel exhaust

Diesel exhaust is the gaseous exhaust produced by a diesel type of internal combustion engine, plus any contained particulates. Catalytic converter and diesel exhaust are air pollution control systems.

See Catalytic converter and Diesel exhaust

Diesel exhaust fluid

Diesel exhaust fluid (DEF; also known as AUS 32 and marketed as AdBlue) is a liquid used to reduce the amount of air pollution created by a diesel engine. Catalytic converter and diesel exhaust fluid are air pollution control systems and NOx control.

See Catalytic converter and Diesel exhaust fluid

Diesel fuel

Diesel fuel, also called diesel oil, heavy oil (historically) or simply diesel, is any liquid fuel specifically designed for use in a diesel engine, a type of internal combustion engine in which fuel ignition takes place without a spark as a result of compression of the inlet air and then injection of fuel.

See Catalytic converter and Diesel fuel

Diesel particulate filter

A diesel particulate filter (DPF) is a device designed to remove diesel particulate matter or soot from the exhaust gas of a diesel engine. Catalytic converter and diesel particulate filter are air pollution control systems.

See Catalytic converter and Diesel particulate filter

E85

E85 is an abbreviation typically referring to an ethanol fuel blend of 85% ethanol fuel and 15% gasoline or other hydrocarbon by volume.

See Catalytic converter and E85

Electric generator

In electricity generation, a generator is a device that converts motion-based power (potential and kinetic energy) or fuel-based power (chemical energy) into electric power for use in an external circuit.

See Catalytic converter and Electric generator

Engelhard

Engelhard Corporation was an American ''Fortune'' 500 company headquartered in Iselin, New Jersey, United States.

See Catalytic converter and Engelhard

Engine control unit

An engine control unit (ECU), also called an engine control module (ECM), is a device which controls multiple systems of an internal combustion engine in a single unit.

See Catalytic converter and Engine control unit

Ethanol

Ethanol (also called ethyl alcohol, grain alcohol, drinking alcohol, or simply alcohol) is an organic compound with the chemical formula.

See Catalytic converter and Ethanol

Eugene Houdry

Eugène Jules Houdry (Domont, France, April 18, 1892 – Upper Darby Township, Pennsylvania, July 18, 1962) was a mechanical engineer who graduated from École Nationale Supérieure d'Arts et Métiers in 1911.

See Catalytic converter and Eugene Houdry

European emission standards

The European emission standards are vehicle emission standards for pollution from the use of new land surface vehicles sold in the European Union and European Economic Area member states and the United Kingdom, and ships in EU waters.

See Catalytic converter and European emission standards

European Union

The European Union (EU) is a supranational political and economic union of member states that are located primarily in Europe.

See Catalytic converter and European Union

Exhaust gas

Exhaust gas or flue gas is emitted as a result of the combustion of fuels such as natural gas, gasoline (petrol), diesel fuel, fuel oil, biodiesel blends, or coal.

See Catalytic converter and Exhaust gas

Exhaust gas recirculation

In internal combustion engines, exhaust gas recirculation (EGR) is a nitrogen oxide emissions reduction technique used in petrol/gasoline, diesel engines and some hydrogen engines. Catalytic converter and exhaust gas recirculation are air pollution control systems and NOx control.

See Catalytic converter and Exhaust gas recirculation

Exhaust manifold

In automotive engineering, an exhaust manifold collects the exhaust gases from multiple cylinders into one pipe. Catalytic converter and exhaust manifold are exhaust systems.

See Catalytic converter and Exhaust manifold

Exhaust system

An exhaust system is used to guide reaction exhaust gases away from a controlled combustion inside an engine or stove. Catalytic converter and exhaust system are exhaust systems.

See Catalytic converter and Exhaust system

Feedback

Feedback occurs when outputs of a system are routed back as inputs as part of a chain of cause-and-effect that forms a circuit or loop.

See Catalytic converter and Feedback

Forklift

A forklift (also called industrial truck, lift truck, jitney, hi-lo, fork truck, fork hoist, and forklift truck) is a powered industrial truck used to lift and move materials over short distances.

See Catalytic converter and Forklift

Fuel injection

Fuel injection is the introduction of fuel in an internal combustion engine, most commonly automotive engines, by the means of an injector.

See Catalytic converter and Fuel injection

Gas turbine

A gas turbine, gas turbine engine, or also known by its old name internal combustion turbine, is a type of continuous flow internal combustion engine.

See Catalytic converter and Gas turbine

Gasoline

Gasoline or petrol is a petrochemical product characterized as a transparent, yellowish, and flammable liquid normally used as a fuel for spark-ignited internal combustion engines.

See Catalytic converter and Gasoline

Government

A government is the system or group of people governing an organized community, generally a state.

See Catalytic converter and Government

Honeycomb structure

Honeycomb structures are natural or man-made structures that have the geometry of a honeycomb to allow the minimization of the amount of used material to reach minimal weight and minimal material cost.

See Catalytic converter and Honeycomb structure

Hybrid Synergy Drive

Hybrid Synergy Drive (HSD), also known as Toyota Hybrid System II, is the brand name of Toyota Motor Corporation for the hybrid car drive train technology used in vehicles with the Toyota and Lexus marques.

See Catalytic converter and Hybrid Synergy Drive

Hybrid vehicle

A hybrid vehicle is one that uses two or more distinct types of power, such as submarines that use diesel when surfaced and batteries when submerged.

See Catalytic converter and Hybrid vehicle

Hydrogen sulfide

Hydrogen sulfide is a chemical compound with the formula.

See Catalytic converter and Hydrogen sulfide

Internal combustion engine

An internal combustion engine (ICE or IC engine) is a heat engine in which the combustion of a fuel occurs with an oxidizer (usually air) in a combustion chamber that is an integral part of the working fluid flow circuit.

See Catalytic converter and Internal combustion engine

Iron

Iron is a chemical element.

See Catalytic converter and Iron

Irwin Lachman

Irwin M. Lachman (born August 2, 1930), is an American engineer, and is a co-inventor of the catalytic converter.

See Catalytic converter and Irwin Lachman

Japan

Japan is an island country in East Asia, located in the Pacific Ocean off the northeast coast of the Asian mainland.

See Catalytic converter and Japan

John J. Mooney

John Joseph Mooney (April 6, 1930 – June 16, 2020) was an American chemical engineer who was co-inventor of the three-way catalytic converter, which has played a dramatic role in reducing pollution from motor vehicles since their introduction in the mid-1970s.

See Catalytic converter and John J. Mooney

Joule heating

Joule heating (also known as resistive, resistance, or Ohmic heating) is the process by which the passage of an electric current through a conductor produces heat.

See Catalytic converter and Joule heating

Kanthal (alloy)

Kanthal is the trademark for a family of iron-chromium-aluminium (FeCrAl) alloys used in a wide range of resistance and high-temperature applications.

See Catalytic converter and Kanthal (alloy)

Kerosene

Kerosene, or paraffin, is a combustible hydrocarbon liquid which is derived from petroleum.

See Catalytic converter and Kerosene

Lead

Lead is a chemical element; it has symbol Pb (from Latin plumbum) and atomic number 82.

See Catalytic converter and Lead

Lean-burn

Lean-burn refers to the burning of fuel with an excess of air in an internal combustion engine.

See Catalytic converter and Lean-burn

Liquefied petroleum gas

Liquefied petroleum gas, also referred to as liquid petroleum gas (LPG or LP gas), is a fuel gas which contains a flammable mixture of hydrocarbon gases, specifically propane, ''n''-butane and isobutane.

See Catalytic converter and Liquefied petroleum gas

List of auto parts

This is a list of auto parts, which are manufactured components of automobiles.

See Catalytic converter and List of auto parts

Locomotive

A locomotive or engine is a rail transport vehicle that provides the motive power for a train.

See Catalytic converter and Locomotive

Low emission vehicle

A low-emission vehicle is a motor vehicle that emits relatively low levels of motor vehicle emissions.

See Catalytic converter and Low emission vehicle

Manganese

Manganese is a chemical element; it has symbol Mn and atomic number 25.

See Catalytic converter and Manganese

Methylcyclopentadienyl manganese tricarbonyl

Methylcyclopentadienyl manganese tricarbonyl (MMT or MCMT) is an organomanganese compound with the formula (C5H4CH3)Mn(CO)3.

See Catalytic converter and Methylcyclopentadienyl manganese tricarbonyl

Model year

The model year (sometimes abbreviated as MY) is a method of describing the version of a product which has been produced over multiple years.

See Catalytic converter and Model year

Monolith (catalyst support)

Monolithic catalyst supports are extruded structures that are the core of many catalytic converters,Williams, J.; Monolithic structures, materials, properties and uses; Catalysis Today, 69 (2001) 3-9 most diesel particulate filters, and some catalytic reactors. Catalytic converter and Monolith (catalyst support) are Catalysis.

See Catalytic converter and Monolith (catalyst support)

Motorcycle

A motorcycle (motorbike, bike, or, if three-wheeled, a trike) is a two or three-wheeled motor vehicle steered by a handlebar from a saddle-style seat.

See Catalytic converter and Motorcycle

National Insurance Crime Bureau

The National Insurance Crime Bureau (NICB) is a U.S. insurance industry trade association focused on preventing, detecting and defeating insurance fraud and vehicle theft through information analysis, investigations, training, legislative advocacy and public awareness.

See Catalytic converter and National Insurance Crime Bureau

National Inventors Hall of Fame

The National Inventors Hall of Fame (NIHF) is an American not-for-profit organization, founded in 1973, which recognizes individual engineers and inventors who hold a U.S. patent of significant technology.

See Catalytic converter and National Inventors Hall of Fame

Natural gas

Natural gas (also called fossil gas, methane gas or simply gas) is a naturally occurring mixture of gaseous hydrocarbons consisting primarily of methane (95%) in addition to various smaller amounts of other higher alkanes.

See Catalytic converter and Natural gas

Nickel

Nickel is a chemical element; it has symbol Ni and atomic number 28.

See Catalytic converter and Nickel

Nickel tetracarbonyl

Nickel carbonyl (IUPAC name: tetracarbonylnickel) is a nickel(0) organometallic compound with the formula Ni(CO)4.

See Catalytic converter and Nickel tetracarbonyl

Nitric oxide

Nitric oxide (nitrogen oxide or nitrogen monoxide) is a colorless gas with the formula.

See Catalytic converter and Nitric oxide

Nitrogen

Nitrogen is a chemical element; it has symbol N and atomic number 7.

See Catalytic converter and Nitrogen

Nitrogen dioxide

Nitrogen dioxide is a chemical compound with the formula.

See Catalytic converter and Nitrogen dioxide

Nitrogen oxide

Nitrogen oxide may refer to a binary compound of oxygen and nitrogen, or a mixture of such compounds.

See Catalytic converter and Nitrogen oxide

Nitrogen oxide sensor

A nitrogen oxide sensor or sensor is typically a high-temperature device built to detect nitrogen oxides in combustion environments such as an automobile, truck tailpipe or smokestack.

See Catalytic converter and Nitrogen oxide sensor

Nitrous oxide

Nitrous oxide (dinitrogen oxide or dinitrogen monoxide), commonly known as laughing gas, nitrous, nitro, or nos, is a chemical compound, an oxide of nitrogen with the formula.

See Catalytic converter and Nitrous oxide

Norilsk

Norilsk (p) is a closed city in Krasnoyarsk Krai, Russia, located south of the western Taymyr Peninsula, around 90 km east of the Yenisey River and 1,500 km north of Krasnoyarsk.

See Catalytic converter and Norilsk

NOx

In atmospheric chemistry, is shorthand for nitric oxide and nitrogen dioxide, the nitrogen oxides that are most relevant for air pollution.

See Catalytic converter and NOx

NOx adsorber

A adsorber or trap (also called Lean trap, abbr. LNT) is a device that is used to reduce oxides of nitrogen (NO and NO2) emissions from a lean burn internal combustion engine by means of adsorption.

See Catalytic converter and NOx adsorber

On-board diagnostics

On-board diagnostics (OBD) is a term referring to a vehicle's self-diagnostic and reporting capability. Catalytic converter and On-board diagnostics are automotive technologies.

See Catalytic converter and On-board diagnostics

Operating temperature

An operating temperature is the allowable temperature range of the local ambient environment at which an electrical or mechanical device operates.

See Catalytic converter and Operating temperature

Oxygen

Oxygen is a chemical element; it has symbol O and atomic number 8.

See Catalytic converter and Oxygen

Oxygen sensor

An oxygen sensor (or lambda sensor, where lambda refers to air–fuel equivalence ratio, usually denoted by λ) or probe or sond, is an electronic device that measures the proportion of oxygen (O2) in the gas or liquid being analyzed.

See Catalytic converter and Oxygen sensor

Oxygenate

To oxygenate means to impregnate, combine, or supply something with oxygen, while oxygenates are hydrocarbons containing at least one oxygen atom that are used as fuel additives to promote complete combustion in fuel mixtures.

See Catalytic converter and Oxygenate

Packed bed

In chemical processing, a packed bed is a hollow tube, pipe, or other vessel that is filled with a packing material.

See Catalytic converter and Packed bed

Palladium

Palladium is a chemical element; it has symbol Pd and atomic number 46.

See Catalytic converter and Palladium

Particulates

Particulates or atmospheric particulate matter (see below for other names) are microscopic particles of solid or liquid matter suspended in the air.

See Catalytic converter and Particulates

Petrol engine

A petrol engine (gasoline engine in American and Canadian English) is an internal combustion engine designed to run on petrol (gasoline).

See Catalytic converter and Petrol engine

Philosophical Transactions of the Royal Society A

Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences is a fortnightly peer-reviewed scientific journal published by the Royal Society.

See Catalytic converter and Philosophical Transactions of the Royal Society A

Phosphorus

Phosphorus is a chemical element; it has symbol P and atomic number 15.

See Catalytic converter and Phosphorus

Pickup truck

A pickup truck or pickup is a light or medium duty truck that has an enclosed cabin, and a back end made up of a cargo bed that is enclosed by three low walls with no roof (this cargo bed back end sometimes consists of a tailgate and removable covering).

See Catalytic converter and Pickup truck

Pipecutter

A pipecutter is a type of tool used to cut pipe.

See Catalytic converter and Pipecutter

Platinum

Platinum is a chemical element; it has symbol Pt and atomic number 78.

See Catalytic converter and Platinum

Platinum group

The platinum-group metals (PGMs), also known as the platinoids, platinides, platidises, platinum group, platinum metals, platinum family or platinum-group elements (PGEs), are six noble, precious metallic elements clustered together in the periodic table.

See Catalytic converter and Platinum group

Pollutant

A pollutant or novel entity is a substance or energy introduced into the environment that has undesired effects, or adversely affects the usefulness of a resource.

See Catalytic converter and Pollutant

Popular Mechanics

Popular Mechanics (often abbreviated as PM or PopMech) is a magazine of popular science and technology, featuring automotive, home, outdoor, electronics, science, do it yourself, and technology topics.

See Catalytic converter and Popular Mechanics

Popular Science

Popular Science (also known as PopSci) is a U.S. popular science website, covering science and technology topics geared toward general readers.

See Catalytic converter and Popular Science

Precious metals are rare, naturally occurring metallic chemical elements of high economic value.

See Catalytic converter and Precious metal

Reagent

In chemistry, a reagent or analytical reagent is a substance or compound added to a system to cause a chemical reaction, or test if one occurs.

See Catalytic converter and Reagent

Reciprocating saw

A reciprocating saw is a type of handheld, small, machine-powered saw, in which the cutting action is achieved through a push-and-pull ("reciprocating") or back-and-forth motion of the blade.

See Catalytic converter and Reciprocating saw

Redox

Redox (reduction–oxidation or oxidation–reduction) is a type of chemical reaction in which the oxidation states of the reactants change.

See Catalytic converter and Redox

Regulation

Regulation is the management of complex systems according to a set of rules and trends.

See Catalytic converter and Regulation

Rhodium

Rhodium is a chemical element; it has symbol Rh and atomic number 45.

See Catalytic converter and Rhodium

Roadway air dispersion modeling

Roadway air dispersion modeling is the study of air pollutant transport from a roadway or other linear emitter.

See Catalytic converter and Roadway air dispersion modeling

Rodney Bagley

Rodney D. Bagley (October 2, 1934-April 13, 2023) was an engineer and co-inventor of the catalytic converter.

See Catalytic converter and Rodney Bagley

Scrap

Scrap consists of recyclable materials, usually metals, left over from product manufacturing and consumption, such as parts of vehicles, building supplies, and surplus materials.

See Catalytic converter and Scrap

Secondary air injection

Secondary air injection (commonly known as air injection) is a vehicle emissions control strategy introduced in 1966, wherein fresh air is injected into the exhaust stream to allow for a fuller secondary combustion of exhaust gases. Catalytic converter and secondary air injection are air pollution control systems.

See Catalytic converter and Secondary air injection

Selective catalytic reduction

Selective catalytic reduction (SCR) means of converting nitrogen oxides, also referred to as with the aid of a catalyst into diatomic nitrogen, and water. Catalytic converter and Selective catalytic reduction are air pollution control systems, Catalysis and NOx control.

See Catalytic converter and Selective catalytic reduction

Sensor

A sensor is a device that produces an output signal for the purpose of detecting a physical phenomenon.

See Catalytic converter and Sensor

Sigmoid function

A sigmoid function is any mathematical function whose graph has a characteristic S-shaped or sigmoid curve.

See Catalytic converter and Sigmoid function

Silicon

Silicon is a chemical element; it has symbol Si and atomic number 14.

See Catalytic converter and Silicon

Silicon dioxide

Silicon dioxide, also known as silica, is an oxide of silicon with the chemical formula, commonly found in nature as quartz.

See Catalytic converter and Silicon dioxide

Smog

Smog, or smoke fog, is a type of intense air pollution.

See Catalytic converter and Smog

Spark-ignition engine

A spark-ignition engine (SI engine) is an internal combustion engine, generally a petrol engine, where the combustion process of the air-fuel mixture is ignited by a spark from a spark plug.

See Catalytic converter and Spark-ignition engine

Staff writer

In journalism, a staff writer byline indicates that the author of the article is an employee of the periodical, as opposed to being an independent freelance writer.

See Catalytic converter and Staff writer

Stoichiometry

Stoichiometry is the relationship between the weights of reactants and products before, during, and following chemical reactions.

See Catalytic converter and Stoichiometry

Substrate (materials science)

Substrate is a term used in materials science and engineering to describe the base material on which processing is conducted.

See Catalytic converter and Substrate (materials science)

Sulfur

Sulfur (also spelled sulphur in British English) is a chemical element; it has symbol S and atomic number 16.

See Catalytic converter and Sulfur

Surface area

The surface area (symbol A) of a solid object is a measure of the total area that the surface of the object occupies.

See Catalytic converter and Surface area

Surface roughness

Surface roughness can be regarded as the quality of a surface of not being smooth and it is hence linked to human (haptic) perception of the surface texture. From a mathematical perspective it is related to the spatial variability structure of surfaces, and inherently it is a multiscale property. It has different interpretations and definitions depending on the disciplines considered.

See Catalytic converter and Surface roughness

References

[1] https://en.wikipedia.org/wiki/Catalytic_converter

Also known as Cadillac converter, Catalysator, Catalytic combustor, Catalytic converters, Catalytic convertor, Diesel Oxidation Catalyst, Oxi-cat, Three-way catalyst, Washcoat.

, Eugene Houdry, European emission standards, European Union, Exhaust gas, Exhaust gas recirculation, Exhaust manifold, Exhaust system, Feedback, Forklift, Fuel injection, Gas turbine, Gasoline, Government, Honeycomb structure, Hybrid Synergy Drive, Hybrid vehicle, Hydrogen sulfide, Internal combustion engine, Iron, Irwin Lachman, Japan, John J. Mooney, Joule heating, Kanthal (alloy), Kerosene, Lead, Lean-burn, Liquefied petroleum gas, List of auto parts, Locomotive, Low emission vehicle, Manganese, Methylcyclopentadienyl manganese tricarbonyl, Model year, Monolith (catalyst support), Motorcycle, National Insurance Crime Bureau, National Inventors Hall of Fame, Natural gas, Nickel, Nickel tetracarbonyl, Nitric oxide, Nitrogen, Nitrogen dioxide, Nitrogen oxide, Nitrogen oxide sensor, Nitrous oxide, Norilsk, NOx, NOx adsorber, On-board diagnostics, Operating temperature, Oxygen, Oxygen sensor, Oxygenate, Packed bed, Palladium, Particulates, Petrol engine, Philosophical Transactions of the Royal Society A, Phosphorus, Pickup truck, Pipecutter, Platinum, Platinum group, Pollutant, Popular Mechanics, Popular Science, Precious metal, Reagent, Reciprocating saw, Redox, Regulation, Rhodium, Roadway air dispersion modeling, Rodney Bagley, Scrap, Secondary air injection, Selective catalytic reduction, Sensor, Sigmoid function, Silicon, Silicon dioxide, Smog, Spark-ignition engine, Staff writer, Stoichiometry, Substrate (materials science), Sulfur, Surface area, Surface roughness, SUV, Tetraethyllead, The Gainesville Sun, The New York Times, The Palm Beach Post, Time (magazine), Titanium dioxide, Toyota MR2, Toyota Prius, Truck, Unburned hydrocarbon, United Kingdom, United States Environmental Protection Agency, United States Senate, Urea, Vehicle emissions control, Water, Wildfire, William C. Pfefferle, Wood-burning stove, Zinc, Zinc dithiophosphate.

Catalytic converter, the Glossary

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