oxidizing catalyst

oxidizing catalyst
A catalyst which decreases CO and HC levels using excess air. Compare reducing catalyst

Dictionary of automotive terms. 2015.

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  • catalyst — [1] A substance that changes the rate of a chemical reaction without itself being used up. [2] A special agent which is added to a plastic body filler or resin or paint to speed up the hardening process. Also see aged catalyst fresh catalyst… …   Dictionary of automotive terms

  • oxidizing converter — A converter with a conventional oxidation catalyst that needs a secondary air supply to convert hydrocarbons and carbon monoxide to carbon dioxide and water; does not control NOx. Compare single bed oxidizing converter …   Dictionary of automotive terms

  • reducing catalyst — A catalyst such as rhodium which converts nitrogen oxides into harmless nitrogen and oxygen in a reducing catalytic converter. Compare oxidizing catalyst …   Dictionary of automotive terms

  • two-way catalyst — See oxidizing catalyst …   Dictionary of automotive terms

  • single-bed oxidizing converter — A converter with one catalyst bed for HC and CO control …   Dictionary of automotive terms

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  • Homogeneous Charge Compression Ignition — Homogeneous Charge Compression Ignition, or HCCI, is a form of internal combustion in which well mixed fuel and oxidizer (typically air) are compressed to the point of auto ignition. As in other forms of combustion, this exothermic reaction… …   Wikipedia

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