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Kenneth Rappe

Institution
Pacific Northwest National Laboratory

Projects

Catalyst Characterization Using the RXM-100 Test Stand

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
Christopher Aardahl
Project type
Exploratory Research
Temperature programmed desorption and physical property measurement of catalysts is being studied.

Mechanistic understanding of zeolite deactivation pathways

Lead Institution
Caterpillar, Inc.
Principal Investigator
Joshua Ratts
Project type
Exploratory Research
Three zeolite powders (Fe-MFI, Cu-MFI, and Fe-BEA) commonly used in SCR NOx reduction will be hydrothermally aged in air using a variety of temperatures, aging times and water concentrations in a…

Combination and Integration of DPF-SCR Aftertreatment Technologies

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
Kenneth Rappe
Project type
Large-Scale EMSL Research
Exhaust aftertreatment is considered an enabler for widespread implication of higher fuel efficient diesel engines. In the last decade extensive research has resulted in the development and…