Tournigan Energy Ltd.: Metallurgical Testing for PreFeasibility Study Indicates Uranium Recoveries of Over 90% at Kuriskova
(firmenpresse) - Tournigan Energy Ltd.: Metallurgical Testing for PreFeasibility Study Indicates Uranium Recoveries of Over 90% at Kuriskova
Vancouver, August 3, 2010—Tournigan Energy Ltd. (TVC: TSX-V; TGP: Frankfurt) has received test results from additional metallurgical testing for the Kuriskova uranium project in eastern Slovakia. The test program was conducted on new composites from more deposit areas which included new drill core samples from the 2009-2010 drilling program. The work was performed at the Hazen Research, Inc. (Hazen) laboratory facilities in Golden, Colorado.
Uranium and molybdenum will be recovered by conventional milling methods. The additional test work is being undertaken to optimize the process parameters (grind size, temperature, pressure oxidation time, carbonate concentration, etc.) for recovery of uranium and molybdenum as part of the ongoing test program for a prefeasibility study.
These tests confirm the initial test work completed at the Resource Development, Inc. (RDI) laboratory facilities in Wheatridge, Colorado as reported on November 3, 2009.
The test results indicate that over 90% of the uranium and 85% of the molybdenum can be recovered by pressure oxidation using a whole ore leach process in two hours utilizing an alkaline process (basic leaching media) at a grind size of P80 300 mesh and temperature of 200oC. These recoveries were obtained on two separate composites with an average Bond work index of 13. The predominant uranium minerals are uraninite and coffinite. The uranium recoveries of up to 93% in this program are higher than those reported in the NI 43-101 technical report dated May 10, 2010. Additional test work is planned during the ongoing prefeasibility study to optimize other process parameters.
“These encouraging test results show that an alkaline leaching process using benign carbonate reagents (not sulphuric acid) can effectively recover both uranium and molybdenum from representative composite samples,” said Dorian L. (Dusty) Nicol, Tournigan’s president and CEO. “We are confident that the additional test work planned at Hazen will confirm the development of our flow sheet using alkaline leaching that has been used in the uranium industry since the 1960’s.”
Other aspects of the prefeasibility study continue to progress well. A 4,500 meter drill program has just begun at Kuriskova, focusing on the high grade Zone 45 area.
Mr. Deepak Malhotra, PhD, president and principal of Resource Development, Inc., is an Independent Qualified Person under the standards of NI 43-101 and has reviewed and approved the technical disclosure contained in this news release on behalf of Tetra Tech who is Tournigan’s engineering company for the Prefeasibility Study. Mr. Dennis Gertenbach, Senior Vice President at Hazen, is an Independent Qualified Person under the standards of NI 43-101 and has reviewed and approved the technical disclosure contained in this news release on behalf of Hazen.
About Tournigan
Tournigan is a uranium exploration and development company that has built a portfolio of highly prospective assets in Slovakia, a member of the European Union since 2004. Slovakia is economically and politically stable, has excellent infrastructure and currently has four nuclear reactors generating half of its electricity with two more under construction. Tournigan is committed to safe and sustainable exploration and mine development in Slovakia. In addition to Kuriskova, Tournigan has several other exploration targets along the Slovakian uranium belt which are showing positive exploration results.
TOURNIGAN ENERGY LTD.
“Dusty Nicol”
Dorian L. (Dusty) Nicol, President and CEO
Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.
For further information please contact: Knox Henderson, Tournigan Energy Investor Relations, at (604) 683-8320, or visit www.tournigan.com.
Leseranfragen:
Tournigan Energy Ltd.
420-744 West Hastings Street
Vancouver, BC V6C 1A5
Knox Henderson
KHenderson(at)Tournigan.com
(604) 683-8320
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Datum: 03.08.2010 - 14:49 Uhr
Sprache: Deutsch
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