The diesel oxidation catalyst (DOC) owes its name to its ability to promote oxidation of exhaust gas components by oxygen, which is present in ample quantities in diesel exhaust.

As hot diesel exhaust flows through the honeycomb structure, the precious metal coating causes a catalytic reaction that breaks down pollutants into less harmful components.

What Is a Diesel Oxidation Catalyst? Diesel Oxidation Catalysts (DOC) are catalytic converters designed specifically for diesel engines and equipment to reduce Carbon Monoxide (CO), Hydrocarbons (HC) …

A Diesel Oxidation Catalyst (DOC) is defined as a device used to reduce carbon monoxide (CO) and hydrocarbon emissions, including the soluble organic fraction of diesel particulate matter (DPM), …

Dec 15, 2025 · The Diesel Oxidation Catalyst (DOC) is a component of the modern diesel engine’s exhaust aftertreatment system. Located directly downstream from the engine, this device treats the …

BASF ECMS's Diesel Oxidation Catalyst (DOC) technology controls emissions of hydrocarbons (HC), carbon monoxide (CO) and particulate matter (PM) from diesel vehicles.

A diesel oxidation catalyst (DOC) is an aftertreatment component that is designed to convert carbon monoxide into carbon dioxide and water.

Jun 18, 2025 · A diesel oxidation catalyst is a device that reduces emissions of harmful pollutants from diesel engines by catalyzing the oxidation of CO, HC, and PM into less harmful substances. How …

The diesel oxidation catalyst, historically the first type of diesel catalyst, promotes a range of oxidation reactions utilizing oxygen, which is in ample supply in diesel exhaust at all engine operating conditions.

In many of the currently employed configurations, diesel oxidation catalyst (DOC) is the first unit in the ATS of a heavy-duty diesel vehicle. The primary function of DOC is the oxidation of NO, CO, and …