TL;DR: Electrostatic Beneficiation is a main entry in the 外星矿物知识引擎 database.
Using triboelectric charging in vacuum to separate minerals by their different charge affinities
Type
Processing (beneficiation)
Organization
University of Utah, NASA
Target
Lunar regolith mineral separation
Status
Laboratory demonstrated with simulants in vacuum conditions
Breakthrough
Demonstrated separation of anorthite from ilmenite using triboelectric charging in vacuum