Life Cycle Impact of Rare Earth Elements

Table 5

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

Classification	Energy consumption		Water consumption, kL	Environmental impact
	Electricity, MJ	Heat, MJ		GHG emissions, kg CO2 eq.	Resources depletion, MJ surplus
Light REOs	74.08	102.51	38.06	32.29	36.50
Medium REOs	66.68	102.51	37.64	30.29	34.99
Heavy REOs	76.98	102.51	37.64	34.49	39.27