TL;DR: Plasma Smelting is a main entry in the 外星矿物知识引擎 database.
Using plasma arcs to achieve extreme temperatures (>10,000°C) for rapid metal extraction and refining
Method Type
Thermal/Electrical
Input Material
Raw asteroid or regolith material
Output
Refined metals, slag, gases
Efficiency
Very high temperatures achievable; energy intensive
Space Viability
Moderate - requires significant electrical power; compact equipment