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Germany/Denmark: Geosynthetic Lining for Large-Scale Underground Heat Storage Tank

Submitted by Baerbel Epp on October 27, 2014
VojensDronninglund, Vojens and Gram are three Danish solar district heating plants whose underground heat storage has been lined with a new type of improved polymeric geomembrane. This membrane, which was developed and is produced in Germany by GSE Environmental, can withstand peak temperatures of up to 95°C and has an expected lifetime of at least 20 years. Headquartered in Houston, Texas, GSE Environmental is a manufacturer of geosynthetics –materials that ensure the durability of state-of-the-art lining solutions for various applications, such as in landfills, mining, water and waste water treatment, as well as in the oil, gas and energy sector. The photo shows the Vojens installation, a 203,000 m³ storage system which should come into operation next year. 
Photo: GSE Environmental

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