secondary recovery
Defined in 1 place of the United States Code.
The term "secondary recovery" means the recovery of critical minerals and metals from discarded end-use products or from waste products produced during the metal refining and manufacturing process, including from mine waste piles, acid mine drainage sludge, or byproducts produced through legacy mining and metallurgy activities.
Source
- 2021–present42 U.S.C. § 18743The Public Health and Welfare · Critical minerals mining and recycling research · in this section