A catalytic converter is a common exhaust emission control device used to limit harmful emissions from internal combustion engines. It is also referred to as a catalyst or scrubber. It aids in the conversion of toxic combustion products (coppers, lead etc. It converts toxic byproducts of combustion (coppers, lead, etc.) into harmless carbon dioxide and nitrogen, oxygen, and water. The engine’s performance is enhanced through the catalytic converter which reduces harmful emissions from the fuel exhaust system.
A majority of vehicles have catalytic converters to help them comply with the current standards by decreasing harmful emissions from the engine. These harmful emissions include sulfur oxide, hydrocarbons and carbon monoxide. All these emissions affect the performance of the vehicle and can even be harmful to the person driving it. For instance, diesel engine exhausts contain more hydrocarbons than normal engines, and diesel engines generally produce more carbon monoxide than standard engines.
Catalytic converters typically come in two forms: direct air injection or an oxidizer-based injection system. Direct air injection is when an argon-like gas is injected into the combustion chamber in order to create oxygen. The oxygen in the chamber activates the catalyst. The catalyst activated particles combine with other pollutants in the air stream and attach to them resulting in the production of nitrogen, carbon dioxide, and water as the byproduct.
The oxidizer-based system uses catalyst converters to create an oxidation reaction in the exhaust system. catalytic converters are made to efficiently convert hazardous exhausts from internal combustion engines into harmless substances like nitrogen, water, and carbon dioxide. These converters can be used by a wide range of vehicles, both light and heavy, to improve fuel efficiency and reduce emissions. Certain heavy duty vehicles such as forklifts and mobile crane trucks, which have exhaust systems, may also require catalytic converters in order to meet emissions standards set by state regulatory agencies.
Catalytic converters are utilized in injection systems to stop combustion gases from entering the engine compartment. Three-way catalytic convertors use a Stoichiometric point to determine the length of time a chemical can remain active, without being destroyed from external emissions. Although every three-way system is different however, they all adhere to the same general principles.
The United States has regulations for catalytic converters. They must comply with certain emission standards. In addition, many companies sell their vehicles with federal conformity kits that contain catalytic converters. To ensure conformity with DOT emissions standards, these kits have to be certified and approved by the United States Environmental Protection Agency.
There are many different types of catalytic converters. One of the most popular kinds of automotive catalytic converters is an electrochemical catalyst washcoat with two handles which includes a binder as well as an oxygen catalyst. The binder will bind to any pollutants and permit them to be eliminated from the exhaust before they can reach the catalytic converter. A catalyst washcoat made of electrochemical technology typically comes with a rinsecoat which eliminates small particles, and an aqueous cleaner that cleans the catalyst from remaining dust and debris. Most of these systems have an in-line valve that controls the flow to shut down the unit once it is it is fully functional. However, there are some systems that will shut off the unit upon discharge of the washcoat or after a preset period of time.
The x reduction catalyst is the last kind of catalytic converter automobiles utilize. This type of system employs only one catalyst instead two. Instead of letting one type of pollutant attack the catalytic convertor, it splits the polluted gases molecules into more easily combustable parts. Catalytic converters that reduce X are also available for residential applications that use an additional catalyst for oxidation while being green.
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