Table 5: Life cycle inventory and impact for the production of 1 kg RE oxides using mass-based allocation.

ClassificationEnergy consumptionWater consumption, kLEnvironmental impact
Electricity, MJHeat, MJGHG emissions, kg CO2 eq.Resources depletion, MJ surplus

Light REOs74.08102.5138.0632.2936.50
Medium REOs66.68102.5137.6430.2934.99
Heavy REOs76.98102.5137.6434.4939.27