DRY EXTRACTION OF MINERAL OILS

摘要

Facility for the dry extraction of mineral oils contained in a mineral material, which comprises : a crushing/grinding unit (1) converting the mineral material so as to obtain a sand or granulate; a mixer/kneader (5), operating in batch mode or continuously, for mixing and obtaining intimate contact between the sand and a reversible sorbent introduced into the mixer/kneader (5) by a metering system. The facility includes a chamber (6) for blowing in a gaseous fluid that separates the mineral material from the reversible sorbent.