State of the art developments in oxidation performance and deactivation of diesel oxidation catalyst (DOC)

State-of-the-art developments in oxidation activity and deactivation mechanisms of the diesel oxidation catalyst (DOC) are reviewed. The effect of temperature, hydrocarbons, CO, H2O, hydrogen, NO, oxygen, NO2, precious metals, and catalyst zoning on DOC's performance is analyzed. CO, NO, and hydrocarbon oxidation is self-inhibited. Hydrogen reduces the light-off temperatures of CO and hydrocarbons. Oxygen and NO2 act as oxidants. Hydrothermal, sulfur, chemical, and hydrocarbon poisoning are primary deactivation mechanisms. Hydrothermal deactivation is the leading cause of Pt-catalyst, and others are less severe. Further improvements regarding biodiesel impact, phosphorous poisoning, and hydrothermal stability are needed to advance DOC science. [Display omitted] •Studied recent developments in oxidation activity and deactivation mechanisms of thediesel oxidation catalyst.•A comprehensive review of catalyst preparation methods and latest catalysts in diesel oxidation are provided.•Studied effect of temperature, hydrocarbons, CO, H2O, hydrogen, NO, oxygen, and NO2 on diesel oxidation catalyst.•Effect of precious metals, and catalyst zoning on diesel oxidation catalyst’s performance is analyzed.•Reviewed deactivation mechanism such as hydrothermal, sulfur, chemical, hydrocarbon poisoning, and Pt-migration.•Methods to reactivate the diesel oxidation catalyst from deactivation is studied.