Impact of Metal Impurities in Biodiesel on Catalyst Durability

Toops, Todd J.

Wednesday, June 17, 2015

Ballroom B (Lawrence Convention Center)

Michael J. Lance¹, Todd J. Toops¹, William Brookshear¹, Robert McCormick², Adam Ragatz², Richard Ancimer³, Hongmei An⁴ and Leigh Rogoski⁴, (1)Oak Ridge National Laboratory, USA, (2)National Renewable Energy Laboratory, USA, (3)Cummins, Inc., USA, (4)Cummins Inc., USA.

We show that metal impurities present in biodiesel limit the ability of HD aftertreatment devices to meet the EPA requirement for NO_x emissions. The cause of this degradation is the impact of Na on the ability of the DOC to oxidize NO and the higher ash loading in the DPF.

Extended Abstracts:

Abstract_NAM_24th_Lance_Biodiesel.pdf (57.5KB) - Extended Abstract

P-W-B-51 Impact of Metal Impurities in Biodiesel on Catalyst Durability