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...
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ftciteseerx:oai:CiteSeerX.psu:10.1.1.529.5543 2023-05-15T17:04:57+02:00 TANTALUM, NIOBIUM AND THORIUM CAKE PRODUCTION AT THE SILLAMÄE OIL SHALE Processing Plant E. Lippmaa E. Maremäe A. Rummel A. Trummal The Pennsylvania State University CiteSeerX Archives application/pdf http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.529.5543 http://www.kirj.ee/public/oilshale/oil-2006-3-9.pdf en eng http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.529.5543 http://www.kirj.ee/public/oilshale/oil-2006-3-9.pdf Metadata may be used without restrictions as long as the oai identifier remains attached to it. http://www.kirj.ee/public/oilshale/oil-2006-3-9.pdf text ftciteseerx 2016-01-08T10:30:25Z “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 forces and rebuilt after WWII for uranium production from the local black alum (dictyonema) shale. Uranium production was soon replaced by uranium processing, but the factory (P.O.B. P-6685) retained the old shale-related name. In 1970 tantalum, niobium and rare earths ’ production from the Khibina (Kola Peninsula, Lovozero) loparite ore was added and operated until the demise of the Soviet Union in the end of 1991. The uppermost layer in the tailings dump consists of thorium-rich loparite waste while the lowermost represents the black dictyonema shale processing waste, rich in uranium. We compare these two sources of radioactive pollution. Text kola peninsula Unknown Kola Peninsula Lovozero ENVELOPE(35.016,35.016,68.006,68.006) |
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Unknown |
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ftciteseerx |
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English |
description |
“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 forces and rebuilt after WWII for uranium production from the local black alum (dictyonema) shale. Uranium production was soon replaced by uranium processing, but the factory (P.O.B. P-6685) retained the old shale-related name. In 1970 tantalum, niobium and rare earths ’ production from the Khibina (Kola Peninsula, Lovozero) loparite ore was added and operated until the demise of the Soviet Union in the end of 1991. The uppermost layer in the tailings dump consists of thorium-rich loparite waste while the lowermost represents the black dictyonema shale processing waste, rich in uranium. We compare these two sources of radioactive pollution. |
author2 |
The Pennsylvania State University CiteSeerX Archives |
format |
Text |
author |
Processing Plant E. Lippmaa E. Maremäe A. Rummel A. Trummal |
spellingShingle |
Processing Plant E. Lippmaa E. Maremäe A. Rummel A. Trummal TANTALUM, NIOBIUM AND THORIUM CAKE PRODUCTION AT THE SILLAMÄE OIL SHALE |
author_facet |
Processing Plant E. Lippmaa E. Maremäe A. Rummel A. Trummal |
author_sort |
Processing Plant |
title |
TANTALUM, NIOBIUM AND THORIUM CAKE PRODUCTION AT THE SILLAMÄE OIL SHALE |
title_short |
TANTALUM, NIOBIUM AND THORIUM CAKE PRODUCTION AT THE SILLAMÄE OIL SHALE |
title_full |
TANTALUM, NIOBIUM AND THORIUM CAKE PRODUCTION AT THE SILLAMÄE OIL SHALE |
title_fullStr |
TANTALUM, NIOBIUM AND THORIUM CAKE PRODUCTION AT THE SILLAMÄE OIL SHALE |
title_full_unstemmed |
TANTALUM, NIOBIUM AND THORIUM CAKE PRODUCTION AT THE SILLAMÄE OIL SHALE |
title_sort |
tantalum, niobium and thorium cake production at the sillamäe oil shale |
url |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.529.5543 http://www.kirj.ee/public/oilshale/oil-2006-3-9.pdf |
long_lat |
ENVELOPE(35.016,35.016,68.006,68.006) |
geographic |
Kola Peninsula Lovozero |
geographic_facet |
Kola Peninsula Lovozero |
genre |
kola peninsula |
genre_facet |
kola peninsula |
op_source |
http://www.kirj.ee/public/oilshale/oil-2006-3-9.pdf |
op_relation |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.529.5543 http://www.kirj.ee/public/oilshale/oil-2006-3-9.pdf |
op_rights |
Metadata may be used without restrictions as long as the oai identifier remains attached to it. |
_version_ |
1766059322407649280 |