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Diesel Oxidation Catalyst Reduces Particulates

Donaldson's diesel oxidation catalyst (DOC) muffler can be retrofitted to heavy-duty diesel engines to reduce particulate emissions.

July 01, 2003

Donaldson's diesel oxidation catalyst (DOC) muffler can be retrofitted to heavy-duty diesel engines to reduce particulate emissions. According to the company, the new DOC has patented, integral flow-distribution devices that enhance catalyst performance, deliver uniform airflow and temperatures throughout the catalyst, and reduce exhaust back pressure. The DOC is designed to be used in combination with its new Spiracle filtration system for engine-crankcase vents.

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