beneficiate
verb
- to reduce (ores); to improve grade by removing impurities
Wiktionary
verb
Etymology: Etymology tree Spanish beneficiarbor. English beneficiate Borrowed from Spanish beneficiar (“to benefit, to work mines”).
- To reduce (ores or other raw materials)
“Also, Carrier (1979) has pointed out that it may be more efficient to beneficiate raw materials at the pit site so that only useful soil components need be transported some distance to the LMF.”