Life Cycle Inventories for Palladium on Niobium Phosphate (Pd/NbOPO4) and Zirconium Oxide (ZrO2) Catalysts
- Argonne National Lab. (ANL), Argonne, IL (United States)
We report the cradle-to-gate GHG emissions, fossil fuel consumption, and water consumption for Nb2O5, KNbO3, NbOPO4, Pd, Pd/NbOPO4, ZrSiO4, and ZrO2. Notably, the net GHG emissions impact of the Pd/NbOPO4 catalyst is 8.5 kg CO2e/kg catalyst, which is comparable to other catalysts in GREET, while the net GHG emissions of the ZrO2 catalyst is considerably lower at 1.8 kg CO2e/kg catalyst. We also identify the primary contributors to each catalyst’s cradle-to-gate environmental burden. For the Pd/NbOPO4 catalyst, Pd metal is the main driver of GHG emissions and fossil fuel consumption, while Pd and NbOPO4 contribute almost equally to water consumption. For the ZrO2 catalyst, sodium hydroxide (NaOH) is the principal driver of GHG emissions and fossil fuel consumption, while ZrSiO4 is the main consumer of water. The Pd/NbOPO4 and ZrO2 catalysts, as well as Nb2O5, KNbO3, NbOPO4, and ZrSiO4, are implemented in the GREET catalyst module, and Pd has been implemented in GREET2 (Kingsbury and Benavides 2021). The material and energy flows for these new materials will be useful to future LCAs, particularly those involving biofuel production.
- Research Organization:
- Argonne National Laboratory (ANL), Argonne, IL (United States)
- Sponsoring Organization:
- USDOE Office of Energy Efficiency and Renewable Energy (EERE), Transportation Office. Bioenergy Technologies Office
- DOE Contract Number:
- AC02-06CH11357
- OSTI ID:
- 1784707
- Report Number(s):
- ANL/ESD--21/6; 167758
- Country of Publication:
- United States
- Language:
- English
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