Visit to DIAMO, a state-owned enterprise in Stráž pod Ralskem
Visit duration: 10 hours (4 hours visit and meetings, 1 hour lunch, 3 hours coach transfer)
Location: 113 km north of Prague (1.5h driving time)
About
o. z. TÚU is managed by DIAMO, a state-owned enterprise based in Stráž pod Ralskem, and is responsible for managing the environmental impact of past uranium, ore, and coal mining activities in the Czech Republic. Since 1996, the Uranium Mining and Uranium Processing Plant (o. z. TÚU) in Stráž pod Ralskem has been carrying out mining activities – the liquidation of deep and chemical (i.e. underground leaching of uranium through drilling from the surface) uranium mining.
More information on the website: https://www.diamo.cz/en/tuu
Documentary – Liquidation of the Chemical Mining of Uranium 2012: https://www.youtube.com/watch?v=5eJQsiFFxrA
Visit program
• Introduction to DIAMO and mining history of, s. e. branch Stráž
• Hamr I underground mine memorial site – history of underground mining in the Czech Republic
• Hydraulic barrier Stráž – technological solution allowing concurrence of the two different mining methods
• Leaching fields – the principle of the in-situ leaching method and an example of remediation well
• Chemical station – uranium sorption and a sample of ammonium diuranate (yellowcake)
• Remediation technology NDS10 – neutralisation and filtration of the residual technological solutions, tailings dump view
