Different Types of Catalytic Converter Explained

The catalytic converters are comprised of numerous products. The driver core or substrate differs as per the vehicle. As an example, when these tools are used in vehicles, the core is typically a ceramic monolith using a honeycomb structure.

When manufactured in large amounts, ceramic cores can be cost-effective. Metallic aluminum foil monoliths are constructed from an iron-aluminum-chromium combination and used in some applications. Metal cores are less costly when manufactured for usage in tiny production runs, such as in sportscars in which low back pressure, as well as integrity under consistent high tons, is necessary. Both these materials are designed to supply a high area to support the catalyst wash coat.

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Different Variations

The vital types of catalytic converters are listed below with a short intro:

  • Two-way oxidation: The two-way equipment for oxidation does two concurrent tasks of oxidation of carbon monoxide gas to CO2 and oxidation of hydrocarbons to carbon dioxide, as well as water. This converter is extensively utilized on diesel engines for reducing carbon monoxide and hydrocarbon exhausts. Nevertheless, it’s no longer utilized in the United States as well as Canada due to their lack of ability to manage oxides of nitrogen.
  • Three-way oxidation-reduction: The oxidation-reduction equipment is utilized in vehicle discharge control systems in most components of the globe including the USA, as well as Canada. The stringent automobile exhaust regulations have virtually made it necessary to utilize the three-way converters over gasoline-powered automobiles. These converters are identified as amongst the most essential developments in the history of automobiles. These execute three simultaneous jobs, particularly, a decrease of nitrogen oxides to the nitrogen, as well as oxygen, oxidation over carbon monoxide gas to carbon dioxide, as well as oxidation of hydrocarbons that is not brunt to carbon dioxide as well as water.
  • Diesel Oxidation Catalyst: DOC’s are most generally used for compression-ignition such as diesel motors. This gadget utilizes oxygen in the exhaust gas stream to convert carbon monoxide to carbon dioxide and hydrocarbons to water as well as carbon dioxide. These converters are known to execute at 90% effectiveness, where they take care of to eliminate diesel odor as well as lower noticeable particulates.

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Written by David Thacker

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