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The safest place for environmentally hazardous waste is one of our underground storage facilities. In disused sections of our potash mines, the materials are separated from the biosphere by layers of rock and salt several hundred meters thick, making them water- and gas-tight.

For an optimal combination of use and disposal, underground recovery is the best available technology. We use the physical properties of less contaminated waste to secure areas of mines that are at risk of settling.

We are the only company to offer the secondary aluminum industry a complete package: supply of high-quality smelting salts, recycling of salt slag, extraction of aluminum granulate and disposal of aluminum filter dust.