TANTALUM, NIOBIUM AND THORIUM CAKE PRODUCTION AT THE SILLAMÄE OIL SHALE
“Estonian Oil Consortium”, belonging to Swedish capital. Their original internally heated retorts were not successful, but after restarting in 1935 with the local tunnel ovens, good yields of shale oil from the brown kukersite shale were achieved. The factory was destroyed by the Soviet occupation f...
| Main Authors: | , , , , |
|---|---|
| Other Authors: | |
| Format: | Text |
| Language: | English |
| Subjects: | |
| Online Access: | http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.529.5543 http://www.kirj.ee/public/oilshale/oil-2006-3-9.pdf |