| Process type | Chemical |
|---|---|
| Industrial sector(s) | Chemical industry oil industry |
| Feedstock | oil shale |
| Product(s) | shale oil |
| Main facilities | Colony Shale Oil Project |
| Developer(s) | Tosco Corporation |
The TOSCO II process is an above ground retorting technology for shale oil extraction, which uses fine particles of oil shale that are heated in a rotating kiln. The particularity of this process is that it use hot ceramic balls for the heat transfer between the retort and a heater. The process was tested in a 40 tonnes per hour test facility near Parachute, Colorado.