TL;DR: FFC Cambridge Process is a main entry in the 外星矿物知识引擎 database.
Electrolysis of metal oxides dissolved in molten CaCl₂ to produce pure metals and oxygen
Method Type
Electrochemical
Input Material
Metal oxide ores (TiO₂, lunar regolith)
Output
Pure metal + oxygen gas
Efficiency
High for titanium; lower energy than Kroll process
Space Viability
Good - demonstrated for titanium from ilmenite; oxygen co-product valuable