Learn about DOC (diesel oxidation catalyst) in one minute

The concept behind an oxidation catalyst is that it causes chemical reactions to occur.At lower temperatures without being changed or consumed an oxidation.

Catalytic converter consists of a stainless steel canister that typically contains a honeycom like structure called a substrate.

There are no moving Parts just a very large area of interior surfaces on the substrate coated with catalytic Metals in the case of diesel exhaust the Catalyst oxidizes carbon monoxide gaseous hydrocarbons and the unburned fuel and oil absorbed on the carbon particles.

The unburned fuel and oil are referred to as the volatile or soluble organic fraction and can make up a significant part of the total particulate matter.A flow through oxidation catalytic converter installed on a vehicle can reduce the soluble organic fraction of the particulate by as much as 90% % and total particulate.

By as much as approximately 25 to 50% depending on the composition of the particulate being emitted plus virtually eliminate the obnoxious odor of diesel.

Exhaust destruction of the soluble organic fraction is important since this portion of the particulate emissions contains numerous chemical pollutants.That are of particular concern to health experts furthermore reductions of 60% to 90% of carbon monoxide and gaseous hydrocarbons emissions can be achieved.

As a result the diesel oxidation Catalyst has become a leading retrofit control strategy in both the onroad and non-road sectors throughout the world.

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